./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.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/hard-ll_valuebound1.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 0bb6780cd72c063a3ddf598e6503fa6a629155476e6b8e08224a0e59d0bc00b9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:26:27,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:26:27,904 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:26:27,907 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:26:27,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:26:27,932 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:26:27,932 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:26:27,932 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:26:27,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:26:27,933 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:26:27,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:26:27,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:26:27,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:26:27,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:26:27,935 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:26:27,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:26:27,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:26:27,935 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:26:27,935 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:26:27,935 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:26:27,935 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:26:27,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:26:27,936 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:26:27,936 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:26:27,936 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:26:27,936 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:26:27,936 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:26:27,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:26:27,936 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:26:27,936 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:26:27,936 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:26:27,937 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:26:27,937 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:26:27,937 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:26:27,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:26:27,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:26:27,937 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:26:27,937 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:26:27,937 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:26:27,937 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:26:27,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:26:27,937 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:26:27,937 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:26:27,938 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:26:27,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:26:27,938 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 -> 0bb6780cd72c063a3ddf598e6503fa6a629155476e6b8e08224a0e59d0bc00b9 [2025-03-17 15:26:28,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:26:28,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:26:28,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:26:28,153 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:26:28,153 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:26:28,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c [2025-03-17 15:26:29,226 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eed3863b5/18e2662267604723bc18b36976476cfa/FLAGe6e0de2ee [2025-03-17 15:26:29,461 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:26:29,462 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c [2025-03-17 15:26:29,477 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eed3863b5/18e2662267604723bc18b36976476cfa/FLAGe6e0de2ee [2025-03-17 15:26:29,798 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eed3863b5/18e2662267604723bc18b36976476cfa [2025-03-17 15:26:29,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:26:29,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:26:29,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:26:29,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:26:29,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:26:29,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:29,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3afd4a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29, skipping insertion in model container [2025-03-17 15:26:29,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:29,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:26:29,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:26:29,927 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:26:29,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:26:29,954 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:26:29,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29 WrapperNode [2025-03-17 15:26:29,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:26:29,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:26:29,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:26:29,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:26:29,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:29,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:29,983 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2025-03-17 15:26:29,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:26:29,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:26:29,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:26:29,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:26:29,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:29,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:29,996 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:30,010 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 15:26:30,013 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:30,014 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:30,016 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:30,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:30,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:30,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:30,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:26:30,024 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:26:30,025 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:26:30,025 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:26:30,025 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29" (1/1) ... [2025-03-17 15:26:30,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:26:30,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:30,051 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 15:26:30,056 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 15:26:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:26:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 15:26:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 15:26:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:26:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:26:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:26:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:26:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:26:30,109 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:26:30,111 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:26:30,312 INFO L? ?]: Removed 49 outVars from TransFormulas that were not future-live. [2025-03-17 15:26:30,313 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:26:30,323 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:26:30,324 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:26:30,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:26:30 BoogieIcfgContainer [2025-03-17 15:26:30,325 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:26:30,326 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:26:30,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:26:30,330 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:26:30,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:26:29" (1/3) ... [2025-03-17 15:26:30,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7946e44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:26:30, skipping insertion in model container [2025-03-17 15:26:30,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:26:29" (2/3) ... [2025-03-17 15:26:30,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7946e44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:26:30, skipping insertion in model container [2025-03-17 15:26:30,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:26:30" (3/3) ... [2025-03-17 15:26:30,335 INFO L128 eAbstractionObserver]: Analyzing ICFG hard-ll_valuebound1.c [2025-03-17 15:26:30,345 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:26:30,347 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard-ll_valuebound1.c that has 3 procedures, 75 locations, 1 initial locations, 2 loop locations, and 24 error locations. [2025-03-17 15:26:30,382 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:26:30,390 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;@1bb82305, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:26:30,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-03-17 15:26:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 62 states have internal predecessors, (69), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:26:30,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-17 15:26:30,398 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:30,398 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:30,399 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:30,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:30,403 INFO L85 PathProgramCache]: Analyzing trace with hash 321234433, now seen corresponding path program 1 times [2025-03-17 15:26:30,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:30,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774472128] [2025-03-17 15:26:30,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:30,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:30,454 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-17 15:26:30,466 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-17 15:26:30,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:30,468 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:30,500 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-17 15:26:30,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:30,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774472128] [2025-03-17 15:26:30,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774472128] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:30,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935113939] [2025-03-17 15:26:30,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:30,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:30,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:30,503 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 15:26:30,505 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 15:26:30,547 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-17 15:26:30,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-17 15:26:30,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:30,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:30,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 15:26:30,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:30,567 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-03-17 15:26:30,567 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:26:30,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935113939] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:26:30,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:26:30,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 15:26:30,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298652671] [2025-03-17 15:26:30,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:26:30,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 15:26:30,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:30,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 15:26:30,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:26:30,587 INFO L87 Difference]: Start difference. First operand has 75 states, 39 states have (on average 1.7692307692307692) internal successors, (69), 62 states have internal predecessors, (69), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:26:30,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:30,601 INFO L93 Difference]: Finished difference Result 148 states and 185 transitions. [2025-03-17 15:26:30,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 15:26:30,602 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 20 [2025-03-17 15:26:30,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:30,605 INFO L225 Difference]: With dead ends: 148 [2025-03-17 15:26:30,606 INFO L226 Difference]: Without dead ends: 70 [2025-03-17 15:26:30,607 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 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 15:26:30,609 INFO L435 NwaCegarLoop]: 85 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, 85 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 15:26:30,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:26:30,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2025-03-17 15:26:30,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2025-03-17 15:26:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 36 states have (on average 1.7222222222222223) internal successors, (62), 59 states have internal predecessors, (62), 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 15:26:30,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2025-03-17 15:26:30,638 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 20 [2025-03-17 15:26:30,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:30,638 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2025-03-17 15:26:30,639 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-03-17 15:26:30,639 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2025-03-17 15:26:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 15:26:30,639 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:30,640 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:30,645 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 15:26:30,840 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 15:26:30,840 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:30,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:30,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1915074101, now seen corresponding path program 1 times [2025-03-17 15:26:30,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:30,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583130556] [2025-03-17 15:26:30,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:30,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:30,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 15:26:30,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 15:26:30,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:30,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:26:30,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1901234169] [2025-03-17 15:26:30,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:30,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:30,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:30,871 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 15:26:30,872 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 15:26:30,898 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 15:26:30,908 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 15:26:30,908 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:30,908 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:30,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:26:30,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-17 15:26:30,936 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:26:30,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:30,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583130556] [2025-03-17 15:26:30,937 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:26:30,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901234169] [2025-03-17 15:26:30,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901234169] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:26:30,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:26:30,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:26:30,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377564990] [2025-03-17 15:26:30,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:26:30,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:26:30,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:30,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:26:30,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:26:30,938 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 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 15:26:30,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:30,992 INFO L93 Difference]: Finished difference Result 143 states and 162 transitions. [2025-03-17 15:26:30,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:26:30,992 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), 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 29 [2025-03-17 15:26:30,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:30,993 INFO L225 Difference]: With dead ends: 143 [2025-03-17 15:26:30,993 INFO L226 Difference]: Without dead ends: 95 [2025-03-17 15:26:30,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 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 15:26:30,994 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 19 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:30,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 125 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:26:30,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-03-17 15:26:31,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2025-03-17 15:26:31,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 50 states have (on average 1.66) internal successors, (83), 73 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 15:26:31,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 109 transitions. [2025-03-17 15:26:31,001 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 109 transitions. Word has length 29 [2025-03-17 15:26:31,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:31,002 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 109 transitions. [2025-03-17 15:26:31,002 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), 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 15:26:31,002 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 109 transitions. [2025-03-17 15:26:31,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-17 15:26:31,003 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:31,003 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:31,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 15:26:31,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-17 15:26:31,204 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:31,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:31,204 INFO L85 PathProgramCache]: Analyzing trace with hash 949676199, now seen corresponding path program 1 times [2025-03-17 15:26:31,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:31,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26580602] [2025-03-17 15:26:31,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:31,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:31,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:26:31,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:26:31,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:31,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:26:31,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1495540450] [2025-03-17 15:26:31,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:31,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:31,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:31,230 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 15:26:31,232 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 15:26:31,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:26:31,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:26:31,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:31,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:31,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:26:31,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:31,298 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 15:26:31,298 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:26:31,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:31,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26580602] [2025-03-17 15:26:31,299 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:26:31,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495540450] [2025-03-17 15:26:31,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495540450] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:26:31,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:26:31,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:26:31,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341183906] [2025-03-17 15:26:31,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:26:31,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:26:31,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:31,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:26:31,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:26:31,300 INFO L87 Difference]: Start difference. First operand 89 states and 109 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 15:26:31,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:31,338 INFO L93 Difference]: Finished difference Result 123 states and 152 transitions. [2025-03-17 15:26:31,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:26:31,338 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 37 [2025-03-17 15:26:31,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:31,339 INFO L225 Difference]: With dead ends: 123 [2025-03-17 15:26:31,339 INFO L226 Difference]: Without dead ends: 119 [2025-03-17 15:26:31,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 15:26:31,340 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 39 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:31,340 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 103 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:26:31,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-03-17 15:26:31,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 105. [2025-03-17 15:26:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 64 states have (on average 1.640625) internal successors, (105), 87 states have internal predecessors, (105), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 15:26:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 135 transitions. [2025-03-17 15:26:31,350 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 135 transitions. Word has length 37 [2025-03-17 15:26:31,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:31,350 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 135 transitions. [2025-03-17 15:26:31,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 15:26:31,350 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 135 transitions. [2025-03-17 15:26:31,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-17 15:26:31,351 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:31,351 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:31,358 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 15:26:31,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:31,551 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:31,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:31,552 INFO L85 PathProgramCache]: Analyzing trace with hash 949676239, now seen corresponding path program 1 times [2025-03-17 15:26:31,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:31,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190790752] [2025-03-17 15:26:31,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:31,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:31,556 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:26:31,562 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:26:31,562 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:31,562 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:31,648 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 15:26:31,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:31,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190790752] [2025-03-17 15:26:31,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190790752] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:26:31,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:26:31,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:26:31,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274780730] [2025-03-17 15:26:31,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:26:31,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:26:31,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:31,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:26:31,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:26:31,650 INFO L87 Difference]: Start difference. First operand 105 states and 135 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 15:26:31,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:31,693 INFO L93 Difference]: Finished difference Result 105 states and 135 transitions. [2025-03-17 15:26:31,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:26:31,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 37 [2025-03-17 15:26:31,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:31,695 INFO L225 Difference]: With dead ends: 105 [2025-03-17 15:26:31,696 INFO L226 Difference]: Without dead ends: 103 [2025-03-17 15:26:31,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 15:26:31,697 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 38 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:31,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 73 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:26:31,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-03-17 15:26:31,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2025-03-17 15:26:31,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 64 states have (on average 1.578125) internal successors, (101), 85 states have internal predecessors, (101), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 15:26:31,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 131 transitions. [2025-03-17 15:26:31,712 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 131 transitions. Word has length 37 [2025-03-17 15:26:31,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:31,712 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 131 transitions. [2025-03-17 15:26:31,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 15:26:31,712 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 131 transitions. [2025-03-17 15:26:31,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-17 15:26:31,713 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:31,713 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:31,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 15:26:31,713 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:31,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:31,714 INFO L85 PathProgramCache]: Analyzing trace with hash -624807643, now seen corresponding path program 1 times [2025-03-17 15:26:31,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:31,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750867899] [2025-03-17 15:26:31,714 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:31,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:31,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:26:31,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:26:31,727 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:31,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:31,786 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 15:26:31,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:31,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750867899] [2025-03-17 15:26:31,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750867899] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:26:31,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:26:31,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:26:31,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428328715] [2025-03-17 15:26:31,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:26:31,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:26:31,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:31,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:26:31,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:26:31,790 INFO L87 Difference]: Start difference. First operand 103 states and 131 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 15:26:31,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:31,842 INFO L93 Difference]: Finished difference Result 110 states and 136 transitions. [2025-03-17 15:26:31,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:26:31,843 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), 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 38 [2025-03-17 15:26:31,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:31,844 INFO L225 Difference]: With dead ends: 110 [2025-03-17 15:26:31,844 INFO L226 Difference]: Without dead ends: 109 [2025-03-17 15:26:31,844 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 15:26:31,844 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 13 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:31,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 120 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:26:31,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2025-03-17 15:26:31,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 103. [2025-03-17 15:26:31,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 64 states have (on average 1.5625) internal successors, (100), 85 states have internal predecessors, (100), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 15:26:31,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 130 transitions. [2025-03-17 15:26:31,854 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 130 transitions. Word has length 38 [2025-03-17 15:26:31,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:31,856 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 130 transitions. [2025-03-17 15:26:31,856 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), 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 15:26:31,856 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 130 transitions. [2025-03-17 15:26:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 15:26:31,857 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:31,857 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:31,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 15:26:31,857 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:31,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:31,857 INFO L85 PathProgramCache]: Analyzing trace with hash 2105760837, now seen corresponding path program 1 times [2025-03-17 15:26:31,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:31,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645521085] [2025-03-17 15:26:31,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:31,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:31,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:26:31,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:26:31,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:31,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:31,936 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 15:26:31,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:31,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645521085] [2025-03-17 15:26:31,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645521085] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:26:31,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:26:31,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:26:31,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86124820] [2025-03-17 15:26:31,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:26:31,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:26:31,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:31,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:26:31,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:26:31,938 INFO L87 Difference]: Start difference. First operand 103 states and 130 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15:26:32,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:32,121 INFO L93 Difference]: Finished difference Result 117 states and 143 transitions. [2025-03-17 15:26:32,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:26:32,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 39 [2025-03-17 15:26:32,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:32,122 INFO L225 Difference]: With dead ends: 117 [2025-03-17 15:26:32,123 INFO L226 Difference]: Without dead ends: 116 [2025-03-17 15:26:32,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 15:26:32,123 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 82 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:32,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 100 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:26:32,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-03-17 15:26:32,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 106. [2025-03-17 15:26:32,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 67 states have (on average 1.537313432835821) internal successors, (103), 88 states have internal predecessors, (103), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 15:26:32,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 133 transitions. [2025-03-17 15:26:32,136 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 133 transitions. Word has length 39 [2025-03-17 15:26:32,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:32,136 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 133 transitions. [2025-03-17 15:26:32,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 15:26:32,136 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 133 transitions. [2025-03-17 15:26:32,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 15:26:32,136 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:32,136 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-03-17 15:26:32,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 15:26:32,137 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:32,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:32,137 INFO L85 PathProgramCache]: Analyzing trace with hash 854076514, now seen corresponding path program 1 times [2025-03-17 15:26:32,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:32,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850463344] [2025-03-17 15:26:32,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:32,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:32,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:26:32,151 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:26:32,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:32,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:32,295 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-17 15:26:32,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:32,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850463344] [2025-03-17 15:26:32,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850463344] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:32,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409051257] [2025-03-17 15:26:32,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:32,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:32,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:32,298 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 15:26:32,299 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 15:26:32,321 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:26:32,333 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:26:32,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:32,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:32,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:26:32,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:32,414 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 15:26:32,415 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:26:32,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409051257] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:26:32,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:26:32,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2025-03-17 15:26:32,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415319902] [2025-03-17 15:26:32,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:26:32,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:26:32,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:32,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:26:32,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:26:32,417 INFO L87 Difference]: Start difference. First operand 106 states and 133 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 15:26:32,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:32,473 INFO L93 Difference]: Finished difference Result 117 states and 140 transitions. [2025-03-17 15:26:32,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:26:32,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 40 [2025-03-17 15:26:32,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:32,476 INFO L225 Difference]: With dead ends: 117 [2025-03-17 15:26:32,476 INFO L226 Difference]: Without dead ends: 114 [2025-03-17 15:26:32,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:26:32,477 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 30 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:32,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 93 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:26:32,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-03-17 15:26:32,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 107. [2025-03-17 15:26:32,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 68 states have (on average 1.5) internal successors, (102), 89 states have internal predecessors, (102), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 15:26:32,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 132 transitions. [2025-03-17 15:26:32,494 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 132 transitions. Word has length 40 [2025-03-17 15:26:32,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:32,494 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 132 transitions. [2025-03-17 15:26:32,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 15:26:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 132 transitions. [2025-03-17 15:26:32,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-17 15:26:32,496 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:32,496 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:32,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 15:26:32,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:32,697 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:32,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:32,697 INFO L85 PathProgramCache]: Analyzing trace with hash 856642142, now seen corresponding path program 1 times [2025-03-17 15:26:32,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:32,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951714930] [2025-03-17 15:26:32,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:32,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:32,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:26:32,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:26:32,714 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:32,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:26:32,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2116342233] [2025-03-17 15:26:32,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:32,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:32,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:32,717 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 15:26:32,719 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 15:26:32,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:26:32,751 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:26:32,751 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:32,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:32,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:26:32,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:32,868 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-17 15:26:32,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:26:33,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:33,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951714930] [2025-03-17 15:26:33,022 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:26:33,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116342233] [2025-03-17 15:26:33,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116342233] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:33,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:26:33,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-17 15:26:33,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571209110] [2025-03-17 15:26:33,022 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:26:33,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:26:33,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:33,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:26:33,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:26:33,023 INFO L87 Difference]: Start difference. First operand 107 states and 132 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-17 15:26:33,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:33,157 INFO L93 Difference]: Finished difference Result 120 states and 149 transitions. [2025-03-17 15:26:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:26:33,157 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 51 [2025-03-17 15:26:33,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:33,158 INFO L225 Difference]: With dead ends: 120 [2025-03-17 15:26:33,158 INFO L226 Difference]: Without dead ends: 112 [2025-03-17 15:26:33,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:26:33,159 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 53 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:33,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 209 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:26:33,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-03-17 15:26:33,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2025-03-17 15:26:33,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 92 states have internal predecessors, (104), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 15:26:33,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 138 transitions. [2025-03-17 15:26:33,167 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 138 transitions. Word has length 51 [2025-03-17 15:26:33,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:33,168 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 138 transitions. [2025-03-17 15:26:33,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-17 15:26:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 138 transitions. [2025-03-17 15:26:33,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-17 15:26:33,168 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:33,168 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:33,174 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 15:26:33,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:33,371 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:33,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:33,371 INFO L85 PathProgramCache]: Analyzing trace with hash 786102653, now seen corresponding path program 1 times [2025-03-17 15:26:33,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:33,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542335663] [2025-03-17 15:26:33,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:33,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:33,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 15:26:33,380 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 15:26:33,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:33,380 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:26:33,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1536392150] [2025-03-17 15:26:33,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:33,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:33,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:33,382 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 15:26:33,384 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 15:26:33,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 15:26:33,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 15:26:33,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:33,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:33,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:26:33,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:33,526 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-03-17 15:26:33,527 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:26:33,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:33,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542335663] [2025-03-17 15:26:33,618 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:26:33,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1536392150] [2025-03-17 15:26:33,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1536392150] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:33,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:26:33,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-17 15:26:33,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895307362] [2025-03-17 15:26:33,619 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:26:33,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:26:33,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:33,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:26:33,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:26:33,619 INFO L87 Difference]: Start difference. First operand 112 states and 138 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-17 15:26:33,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:33,757 INFO L93 Difference]: Finished difference Result 179 states and 232 transitions. [2025-03-17 15:26:33,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:26:33,757 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 52 [2025-03-17 15:26:33,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:33,759 INFO L225 Difference]: With dead ends: 179 [2025-03-17 15:26:33,759 INFO L226 Difference]: Without dead ends: 175 [2025-03-17 15:26:33,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:26:33,759 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 132 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:33,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 171 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:26:33,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2025-03-17 15:26:33,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 166. [2025-03-17 15:26:33,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 120 states have (on average 1.3916666666666666) internal successors, (167), 137 states have internal predecessors, (167), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-17 15:26:33,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 219 transitions. [2025-03-17 15:26:33,777 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 219 transitions. Word has length 52 [2025-03-17 15:26:33,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:33,778 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 219 transitions. [2025-03-17 15:26:33,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 6 states have internal predecessors, (21), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-17 15:26:33,778 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 219 transitions. [2025-03-17 15:26:33,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-03-17 15:26:33,778 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:33,779 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:33,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-17 15:26:33,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:33,980 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:33,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:33,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1071992010, now seen corresponding path program 1 times [2025-03-17 15:26:33,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:33,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213864310] [2025-03-17 15:26:33,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:33,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:33,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-03-17 15:26:33,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-03-17 15:26:33,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:33,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:34,063 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-03-17 15:26:34,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:34,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213864310] [2025-03-17 15:26:34,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213864310] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:26:34,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:26:34,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:26:34,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712502754] [2025-03-17 15:26:34,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:26:34,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:26:34,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:34,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:26:34,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:26:34,066 INFO L87 Difference]: Start difference. First operand 166 states and 219 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, (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 15:26:34,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:34,158 INFO L93 Difference]: Finished difference Result 175 states and 228 transitions. [2025-03-17 15:26:34,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:26:34,159 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, (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 56 [2025-03-17 15:26:34,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:34,160 INFO L225 Difference]: With dead ends: 175 [2025-03-17 15:26:34,160 INFO L226 Difference]: Without dead ends: 161 [2025-03-17 15:26:34,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 15:26:34,160 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 37 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:34,160 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 131 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:26:34,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-03-17 15:26:34,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 136. [2025-03-17 15:26:34,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 96 states have (on average 1.4479166666666667) internal successors, (139), 113 states have internal predecessors, (139), 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 15:26:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 179 transitions. [2025-03-17 15:26:34,174 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 179 transitions. Word has length 56 [2025-03-17 15:26:34,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:34,174 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 179 transitions. [2025-03-17 15:26:34,174 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, (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 15:26:34,174 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 179 transitions. [2025-03-17 15:26:34,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-17 15:26:34,177 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:34,177 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:34,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 15:26:34,177 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:34,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:34,177 INFO L85 PathProgramCache]: Analyzing trace with hash -756933134, now seen corresponding path program 1 times [2025-03-17 15:26:34,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:34,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687651517] [2025-03-17 15:26:34,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:34,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:34,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-17 15:26:34,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-17 15:26:34,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:34,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:34,228 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-03-17 15:26:34,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:34,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687651517] [2025-03-17 15:26:34,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687651517] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:34,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17498724] [2025-03-17 15:26:34,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:34,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:34,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:34,230 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 15:26:34,232 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 15:26:34,253 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-17 15:26:34,265 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-17 15:26:34,265 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:34,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:34,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:26:34,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-03-17 15:26:34,299 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:26:34,358 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2025-03-17 15:26:34,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17498724] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:26:34,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:26:34,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-03-17 15:26:34,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71665155] [2025-03-17 15:26:34,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:26:34,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:26:34,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:34,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:26:34,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:26:34,361 INFO L87 Difference]: Start difference. First operand 136 states and 179 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-03-17 15:26:34,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:34,477 INFO L93 Difference]: Finished difference Result 239 states and 311 transitions. [2025-03-17 15:26:34,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:26:34,477 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), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 60 [2025-03-17 15:26:34,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:34,478 INFO L225 Difference]: With dead ends: 239 [2025-03-17 15:26:34,478 INFO L226 Difference]: Without dead ends: 237 [2025-03-17 15:26:34,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:26:34,479 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 145 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:34,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 180 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:26:34,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2025-03-17 15:26:34,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 189. [2025-03-17 15:26:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 139 states have (on average 1.4460431654676258) internal successors, (201), 156 states have internal predecessors, (201), 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 15:26:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 261 transitions. [2025-03-17 15:26:34,510 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 261 transitions. Word has length 60 [2025-03-17 15:26:34,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:34,510 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 261 transitions. [2025-03-17 15:26:34,510 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), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-03-17 15:26:34,510 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 261 transitions. [2025-03-17 15:26:34,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-17 15:26:34,511 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:34,511 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:34,516 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 15:26:34,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:34,715 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:34,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:34,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1063385994, now seen corresponding path program 2 times [2025-03-17 15:26:34,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:34,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940155897] [2025-03-17 15:26:34,716 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:26:34,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:34,720 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 74 statements into 2 equivalence classes. [2025-03-17 15:26:34,726 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 74 of 74 statements. [2025-03-17 15:26:34,726 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:26:34,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:34,916 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-17 15:26:34,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:34,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940155897] [2025-03-17 15:26:34,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940155897] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:34,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332888708] [2025-03-17 15:26:34,916 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:26:34,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:34,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:34,918 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 15:26:34,920 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 15:26:34,942 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 74 statements into 2 equivalence classes. [2025-03-17 15:26:34,958 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 74 of 74 statements. [2025-03-17 15:26:34,958 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:26:34,958 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:34,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:26:34,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-17 15:26:35,109 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:26:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-17 15:26:35,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332888708] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:26:35,300 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:26:35,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 15 [2025-03-17 15:26:35,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21567153] [2025-03-17 15:26:35,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:26:35,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-17 15:26:35,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:35,301 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-17 15:26:35,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:26:35,301 INFO L87 Difference]: Start difference. First operand 189 states and 261 transitions. Second operand has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 11 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2025-03-17 15:26:35,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:35,633 INFO L93 Difference]: Finished difference Result 271 states and 353 transitions. [2025-03-17 15:26:35,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:26:35,634 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 11 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) Word has length 74 [2025-03-17 15:26:35,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:35,635 INFO L225 Difference]: With dead ends: 271 [2025-03-17 15:26:35,635 INFO L226 Difference]: Without dead ends: 143 [2025-03-17 15:26:35,635 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 142 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2025-03-17 15:26:35,636 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 329 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:35,636 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 208 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:26:35,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-03-17 15:26:35,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 97. [2025-03-17 15:26:35,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 79 states have internal predecessors, (86), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 15:26:35,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 116 transitions. [2025-03-17 15:26:35,645 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 116 transitions. Word has length 74 [2025-03-17 15:26:35,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:35,645 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 116 transitions. [2025-03-17 15:26:35,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.142857142857143) internal successors, (58), 13 states have internal predecessors, (58), 11 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (27), 11 states have call predecessors, (27), 11 states have call successors, (27) [2025-03-17 15:26:35,645 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 116 transitions. [2025-03-17 15:26:35,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-03-17 15:26:35,646 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:35,646 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:35,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-17 15:26:35,846 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,SelfDestructingSolverStorable11 [2025-03-17 15:26:35,846 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:35,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:35,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1813498547, now seen corresponding path program 1 times [2025-03-17 15:26:35,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:35,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147310472] [2025-03-17 15:26:35,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:35,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:35,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-03-17 15:26:35,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-03-17 15:26:35,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:35,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:35,894 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-03-17 15:26:35,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:35,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147310472] [2025-03-17 15:26:35,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147310472] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:26:35,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:26:35,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:26:35,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121212810] [2025-03-17 15:26:35,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:26:35,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:26:35,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:35,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:26:35,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:26:35,896 INFO L87 Difference]: Start difference. First operand 97 states and 116 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-17 15:26:35,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:35,943 INFO L93 Difference]: Finished difference Result 97 states and 116 transitions. [2025-03-17 15:26:35,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:26:35,944 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 81 [2025-03-17 15:26:35,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:35,944 INFO L225 Difference]: With dead ends: 97 [2025-03-17 15:26:35,944 INFO L226 Difference]: Without dead ends: 96 [2025-03-17 15:26:35,945 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 15:26:35,945 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 2 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:35,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 101 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:26:35,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2025-03-17 15:26:35,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2025-03-17 15:26:35,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 78 states have internal predecessors, (84), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 15:26:35,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 114 transitions. [2025-03-17 15:26:35,955 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 114 transitions. Word has length 81 [2025-03-17 15:26:35,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:35,955 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 114 transitions. [2025-03-17 15:26:35,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-17 15:26:35,956 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 114 transitions. [2025-03-17 15:26:35,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-17 15:26:35,956 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:35,956 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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] [2025-03-17 15:26:35,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 15:26:35,957 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:35,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:35,957 INFO L85 PathProgramCache]: Analyzing trace with hash 984618027, now seen corresponding path program 1 times [2025-03-17 15:26:35,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:35,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453201925] [2025-03-17 15:26:35,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:35,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:35,961 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-17 15:26:35,968 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-17 15:26:35,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:35,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:36,079 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-03-17 15:26:36,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:36,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453201925] [2025-03-17 15:26:36,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453201925] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:36,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424348990] [2025-03-17 15:26:36,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:36,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:36,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:36,082 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 15:26:36,083 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 15:26:36,105 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-17 15:26:36,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-17 15:26:36,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:36,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:36,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:26:36,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:36,257 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-03-17 15:26:36,257 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:26:36,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424348990] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:26:36,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:26:36,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-03-17 15:26:36,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222276424] [2025-03-17 15:26:36,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:26:36,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:26:36,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:36,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:26:36,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:26:36,258 INFO L87 Difference]: Start difference. First operand 96 states and 114 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 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 15:26:36,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:36,350 INFO L93 Difference]: Finished difference Result 102 states and 121 transitions. [2025-03-17 15:26:36,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:26:36,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 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 83 [2025-03-17 15:26:36,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:36,351 INFO L225 Difference]: With dead ends: 102 [2025-03-17 15:26:36,351 INFO L226 Difference]: Without dead ends: 101 [2025-03-17 15:26:36,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:26:36,352 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 31 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:36,352 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 147 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:26:36,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2025-03-17 15:26:36,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2025-03-17 15:26:36,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 71 states have (on average 1.2394366197183098) internal successors, (88), 81 states have internal predecessors, (88), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 15:26:36,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 118 transitions. [2025-03-17 15:26:36,361 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 118 transitions. Word has length 83 [2025-03-17 15:26:36,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:36,361 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 118 transitions. [2025-03-17 15:26:36,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 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 15:26:36,361 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 118 transitions. [2025-03-17 15:26:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-17 15:26:36,362 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:36,362 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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] [2025-03-17 15:26:36,369 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 15:26:36,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-17 15:26:36,562 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:36,563 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:36,563 INFO L85 PathProgramCache]: Analyzing trace with hash 458387746, now seen corresponding path program 1 times [2025-03-17 15:26:36,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:36,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048182743] [2025-03-17 15:26:36,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:36,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:36,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-17 15:26:36,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-17 15:26:36,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:36,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:36,672 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-03-17 15:26:36,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:36,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048182743] [2025-03-17 15:26:36,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048182743] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:36,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [96295333] [2025-03-17 15:26:36,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:36,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:36,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:36,675 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 15:26:36,676 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 15:26:36,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-17 15:26:36,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-17 15:26:36,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:36,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:36,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:26:36,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:36,809 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-03-17 15:26:36,809 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:26:36,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [96295333] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:26:36,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:26:36,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-03-17 15:26:36,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420716123] [2025-03-17 15:26:36,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:26:36,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:26:36,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:36,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:26:36,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:26:36,811 INFO L87 Difference]: Start difference. First operand 99 states and 118 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 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 15:26:36,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:36,873 INFO L93 Difference]: Finished difference Result 102 states and 120 transitions. [2025-03-17 15:26:36,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:26:36,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 15:26:36,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:36,875 INFO L225 Difference]: With dead ends: 102 [2025-03-17 15:26:36,875 INFO L226 Difference]: Without dead ends: 101 [2025-03-17 15:26:36,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:26:36,876 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 21 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:36,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 84 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:26:36,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2025-03-17 15:26:36,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 100. [2025-03-17 15:26:36,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 82 states have internal predecessors, (89), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 15:26:36,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 119 transitions. [2025-03-17 15:26:36,885 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 119 transitions. Word has length 84 [2025-03-17 15:26:36,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:36,885 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 119 transitions. [2025-03-17 15:26:36,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 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 15:26:36,885 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 119 transitions. [2025-03-17 15:26:36,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-17 15:26:36,886 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:36,886 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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] [2025-03-17 15:26:36,891 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 15:26:37,086 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,SelfDestructingSolverStorable14 [2025-03-17 15:26:37,086 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:37,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:37,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1325118251, now seen corresponding path program 1 times [2025-03-17 15:26:37,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:37,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838858129] [2025-03-17 15:26:37,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:37,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:37,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-17 15:26:37,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-17 15:26:37,106 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:37,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:26:37,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1175588612] [2025-03-17 15:26:37,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:37,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:37,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:37,109 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 15:26:37,109 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 15:26:37,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-17 15:26:37,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-17 15:26:37,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:37,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:37,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 15:26:37,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:37,503 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-17 15:26:37,504 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:26:37,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:37,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838858129] [2025-03-17 15:26:37,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:26:37,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175588612] [2025-03-17 15:26:37,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175588612] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:37,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:26:37,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:26:37,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986187255] [2025-03-17 15:26:37,881 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:26:37,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:26:37,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:37,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:26:37,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:26:37,882 INFO L87 Difference]: Start difference. First operand 100 states and 119 transitions. Second operand has 12 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-03-17 15:26:38,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:38,249 INFO L93 Difference]: Finished difference Result 140 states and 165 transitions. [2025-03-17 15:26:38,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 15:26:38,249 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 85 [2025-03-17 15:26:38,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:38,250 INFO L225 Difference]: With dead ends: 140 [2025-03-17 15:26:38,250 INFO L226 Difference]: Without dead ends: 82 [2025-03-17 15:26:38,250 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:26:38,250 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 58 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:38,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 207 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:26:38,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2025-03-17 15:26:38,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2025-03-17 15:26:38,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 58 states have (on average 1.1896551724137931) internal successors, (69), 66 states have internal predecessors, (69), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2025-03-17 15:26:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 95 transitions. [2025-03-17 15:26:38,257 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 95 transitions. Word has length 85 [2025-03-17 15:26:38,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:38,258 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 95 transitions. [2025-03-17 15:26:38,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 states have internal predecessors, (39), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-03-17 15:26:38,258 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2025-03-17 15:26:38,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-17 15:26:38,258 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:38,258 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:38,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-17 15:26:38,458 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,SelfDestructingSolverStorable15 [2025-03-17 15:26:38,459 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:38,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:38,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1871007168, now seen corresponding path program 1 times [2025-03-17 15:26:38,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:38,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072277078] [2025-03-17 15:26:38,459 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:38,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:38,463 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 15:26:38,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 15:26:38,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:38,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:26:38,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [453231278] [2025-03-17 15:26:38,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:38,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:38,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:38,475 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 15:26:38,476 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 15:26:38,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 15:26:38,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 15:26:38,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:38,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:38,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-17 15:26:38,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:38,839 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-17 15:26:38,840 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:26:39,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:39,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072277078] [2025-03-17 15:26:39,076 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:26:39,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453231278] [2025-03-17 15:26:39,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453231278] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:39,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:26:39,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:26:39,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958401111] [2025-03-17 15:26:39,076 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:26:39,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:26:39,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:39,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:26:39,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:26:39,078 INFO L87 Difference]: Start difference. First operand 82 states and 95 transitions. Second operand has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-03-17 15:26:39,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:39,323 INFO L93 Difference]: Finished difference Result 109 states and 133 transitions. [2025-03-17 15:26:39,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:26:39,324 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 86 [2025-03-17 15:26:39,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:39,324 INFO L225 Difference]: With dead ends: 109 [2025-03-17 15:26:39,324 INFO L226 Difference]: Without dead ends: 108 [2025-03-17 15:26:39,325 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:26:39,325 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 62 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:39,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 174 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:26:39,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2025-03-17 15:26:39,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 99. [2025-03-17 15:26:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 73 states have (on average 1.2054794520547945) internal successors, (88), 81 states have internal predecessors, (88), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 15:26:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 118 transitions. [2025-03-17 15:26:39,333 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 118 transitions. Word has length 86 [2025-03-17 15:26:39,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:39,333 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 118 transitions. [2025-03-17 15:26:39,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-03-17 15:26:39,333 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 118 transitions. [2025-03-17 15:26:39,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-03-17 15:26:39,333 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:39,333 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:39,339 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 15:26:39,534 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,SelfDestructingSolverStorable16 [2025-03-17 15:26:39,534 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:39,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:39,534 INFO L85 PathProgramCache]: Analyzing trace with hash 2128319945, now seen corresponding path program 1 times [2025-03-17 15:26:39,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:39,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506998713] [2025-03-17 15:26:39,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:39,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:39,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-03-17 15:26:39,544 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-03-17 15:26:39,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:39,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:39,588 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2025-03-17 15:26:39,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:39,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506998713] [2025-03-17 15:26:39,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506998713] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:26:39,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:26:39,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:26:39,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785566831] [2025-03-17 15:26:39,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:26:39,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:26:39,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:39,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:26:39,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:26:39,589 INFO L87 Difference]: Start difference. First operand 99 states and 118 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-17 15:26:39,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:39,679 INFO L93 Difference]: Finished difference Result 99 states and 118 transitions. [2025-03-17 15:26:39,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:26:39,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 87 [2025-03-17 15:26:39,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:39,680 INFO L225 Difference]: With dead ends: 99 [2025-03-17 15:26:39,680 INFO L226 Difference]: Without dead ends: 98 [2025-03-17 15:26:39,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 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 15:26:39,681 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 56 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:39,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 98 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:26:39,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2025-03-17 15:26:39,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 92. [2025-03-17 15:26:39,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.1791044776119404) internal successors, (79), 74 states have internal predecessors, (79), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 15:26:39,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 109 transitions. [2025-03-17 15:26:39,689 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 109 transitions. Word has length 87 [2025-03-17 15:26:39,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:39,689 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 109 transitions. [2025-03-17 15:26:39,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2025-03-17 15:26:39,689 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2025-03-17 15:26:39,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-03-17 15:26:39,690 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:39,690 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 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] [2025-03-17 15:26:39,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-03-17 15:26:39,690 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:39,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:39,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1553408862, now seen corresponding path program 1 times [2025-03-17 15:26:39,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:39,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049491686] [2025-03-17 15:26:39,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:39,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:39,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-17 15:26:39,704 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-17 15:26:39,704 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:39,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-03-17 15:26:39,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:39,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049491686] [2025-03-17 15:26:39,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049491686] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:39,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128936521] [2025-03-17 15:26:39,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:39,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:39,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:39,901 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 15:26:39,903 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 15:26:39,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-03-17 15:26:39,937 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-03-17 15:26:39,937 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:39,937 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:39,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:26:39,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:40,150 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-17 15:26:40,150 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:26:40,493 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2025-03-17 15:26:40,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128936521] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:26:40,493 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:26:40,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 20 [2025-03-17 15:26:40,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970619178] [2025-03-17 15:26:40,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:26:40,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-03-17 15:26:40,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:40,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-03-17 15:26:40,494 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:26:40,494 INFO L87 Difference]: Start difference. First operand 92 states and 109 transitions. Second operand has 21 states, 20 states have (on average 4.3) internal successors, (86), 21 states have internal predecessors, (86), 10 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 8 states have call predecessors, (21), 10 states have call successors, (21) [2025-03-17 15:26:41,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:41,376 INFO L93 Difference]: Finished difference Result 277 states and 352 transitions. [2025-03-17 15:26:41,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-03-17 15:26:41,376 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.3) internal successors, (86), 21 states have internal predecessors, (86), 10 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 8 states have call predecessors, (21), 10 states have call successors, (21) Word has length 88 [2025-03-17 15:26:41,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:41,377 INFO L225 Difference]: With dead ends: 277 [2025-03-17 15:26:41,377 INFO L226 Difference]: Without dead ends: 243 [2025-03-17 15:26:41,378 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 160 SyntacticMatches, 6 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 459 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=423, Invalid=1383, Unknown=0, NotChecked=0, Total=1806 [2025-03-17 15:26:41,379 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 673 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 626 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 673 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 626 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:41,379 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [673 Valid, 390 Invalid, 758 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 626 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:26:41,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2025-03-17 15:26:41,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 164. [2025-03-17 15:26:41,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 131 states have (on average 1.213740458015267) internal successors, (159), 138 states have internal predecessors, (159), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-17 15:26:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 205 transitions. [2025-03-17 15:26:41,397 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 205 transitions. Word has length 88 [2025-03-17 15:26:41,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:41,397 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 205 transitions. [2025-03-17 15:26:41,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.3) internal successors, (86), 21 states have internal predecessors, (86), 10 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 8 states have call predecessors, (21), 10 states have call successors, (21) [2025-03-17 15:26:41,399 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 205 transitions. [2025-03-17 15:26:41,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-17 15:26:41,400 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:41,400 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:41,406 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 15:26:41,600 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:41,601 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:41,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:41,601 INFO L85 PathProgramCache]: Analyzing trace with hash 2068994216, now seen corresponding path program 1 times [2025-03-17 15:26:41,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:41,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126055410] [2025-03-17 15:26:41,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:41,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:41,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 15:26:41,621 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 15:26:41,622 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:41,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:26:41,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [369892217] [2025-03-17 15:26:41,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:41,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:41,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:41,625 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 15:26:41,626 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 15:26:41,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 15:26:41,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 15:26:41,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:41,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:41,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-17 15:26:41,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:41,993 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-03-17 15:26:41,993 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:26:42,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:42,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126055410] [2025-03-17 15:26:42,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:26:42,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369892217] [2025-03-17 15:26:42,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369892217] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:42,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:26:42,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-17 15:26:42,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465366271] [2025-03-17 15:26:42,239 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:26:42,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:26:42,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:42,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:26:42,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:26:42,240 INFO L87 Difference]: Start difference. First operand 164 states and 205 transitions. Second operand has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2025-03-17 15:26:42,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:42,579 INFO L93 Difference]: Finished difference Result 180 states and 226 transitions. [2025-03-17 15:26:42,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:26:42,579 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) Word has length 102 [2025-03-17 15:26:42,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:42,581 INFO L225 Difference]: With dead ends: 180 [2025-03-17 15:26:42,581 INFO L226 Difference]: Without dead ends: 179 [2025-03-17 15:26:42,581 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=454, Unknown=0, NotChecked=0, Total=600 [2025-03-17 15:26:42,582 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 159 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 490 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 490 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:42,582 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 242 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 490 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:26:42,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2025-03-17 15:26:42,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 174. [2025-03-17 15:26:42,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 139 states have (on average 1.20863309352518) internal successors, (168), 146 states have internal predecessors, (168), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-17 15:26:42,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 218 transitions. [2025-03-17 15:26:42,600 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 218 transitions. Word has length 102 [2025-03-17 15:26:42,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:42,601 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 218 transitions. [2025-03-17 15:26:42,601 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.5384615384615383) internal successors, (46), 13 states have internal predecessors, (46), 6 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 6 states have call predecessors, (13), 6 states have call successors, (13) [2025-03-17 15:26:42,601 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 218 transitions. [2025-03-17 15:26:42,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-17 15:26:42,601 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:42,602 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:42,608 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 15:26:42,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:42,802 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:42,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:42,803 INFO L85 PathProgramCache]: Analyzing trace with hash -285688767, now seen corresponding path program 1 times [2025-03-17 15:26:42,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:42,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133101356] [2025-03-17 15:26:42,803 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:42,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:42,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 15:26:42,821 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 15:26:42,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:42,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:26:42,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1034699928] [2025-03-17 15:26:42,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:42,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:42,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:42,824 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 15:26:42,825 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 15:26:42,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 15:26:42,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 15:26:42,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:42,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:42,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-17 15:26:42,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-03-17 15:26:43,274 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:26:43,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:43,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133101356] [2025-03-17 15:26:43,760 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:26:43,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034699928] [2025-03-17 15:26:43,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034699928] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:43,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:26:43,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-17 15:26:43,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468876355] [2025-03-17 15:26:43,761 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:26:43,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:26:43,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:43,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:26:43,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:26:43,762 INFO L87 Difference]: Start difference. First operand 174 states and 218 transitions. Second operand has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-03-17 15:26:44,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:44,075 INFO L93 Difference]: Finished difference Result 180 states and 225 transitions. [2025-03-17 15:26:44,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 15:26:44,076 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 103 [2025-03-17 15:26:44,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:44,077 INFO L225 Difference]: With dead ends: 180 [2025-03-17 15:26:44,077 INFO L226 Difference]: Without dead ends: 179 [2025-03-17 15:26:44,078 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 114 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=517, Unknown=0, NotChecked=0, Total=702 [2025-03-17 15:26:44,078 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 77 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:44,078 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 223 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:26:44,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2025-03-17 15:26:44,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 175. [2025-03-17 15:26:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 140 states have (on average 1.207142857142857) internal successors, (169), 147 states have internal predecessors, (169), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-17 15:26:44,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 219 transitions. [2025-03-17 15:26:44,093 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 219 transitions. Word has length 103 [2025-03-17 15:26:44,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:44,096 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 219 transitions. [2025-03-17 15:26:44,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 13 states have internal predecessors, (47), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-03-17 15:26:44,096 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 219 transitions. [2025-03-17 15:26:44,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-03-17 15:26:44,097 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:44,097 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:44,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-17 15:26:44,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:44,298 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:44,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:44,298 INFO L85 PathProgramCache]: Analyzing trace with hash -266417210, now seen corresponding path program 1 times [2025-03-17 15:26:44,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:44,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516640287] [2025-03-17 15:26:44,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:44,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:44,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-03-17 15:26:44,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-03-17 15:26:44,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:44,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:44,360 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2025-03-17 15:26:44,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:44,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516640287] [2025-03-17 15:26:44,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516640287] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:26:44,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:26:44,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:26:44,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726072191] [2025-03-17 15:26:44,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:26:44,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:26:44,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:44,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:26:44,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:26:44,361 INFO L87 Difference]: Start difference. First operand 175 states and 219 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 15:26:44,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:44,453 INFO L93 Difference]: Finished difference Result 175 states and 219 transitions. [2025-03-17 15:26:44,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:26:44,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 104 [2025-03-17 15:26:44,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:44,456 INFO L225 Difference]: With dead ends: 175 [2025-03-17 15:26:44,456 INFO L226 Difference]: Without dead ends: 174 [2025-03-17 15:26:44,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 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 15:26:44,457 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 31 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:44,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 125 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:26:44,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-03-17 15:26:44,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2025-03-17 15:26:44,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 140 states have (on average 1.2) internal successors, (168), 146 states have internal predecessors, (168), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-17 15:26:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 218 transitions. [2025-03-17 15:26:44,470 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 218 transitions. Word has length 104 [2025-03-17 15:26:44,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:44,471 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 218 transitions. [2025-03-17 15:26:44,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2025-03-17 15:26:44,471 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 218 transitions. [2025-03-17 15:26:44,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-03-17 15:26:44,471 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:44,471 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:44,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-03-17 15:26:44,471 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:44,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:44,472 INFO L85 PathProgramCache]: Analyzing trace with hash 331001055, now seen corresponding path program 1 times [2025-03-17 15:26:44,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:44,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901014830] [2025-03-17 15:26:44,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:44,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:44,475 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 15:26:44,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 15:26:44,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:44,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:44,682 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-03-17 15:26:44,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:44,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901014830] [2025-03-17 15:26:44,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901014830] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:44,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881694953] [2025-03-17 15:26:44,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:44,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:44,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:44,684 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 15:26:44,686 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 15:26:44,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-03-17 15:26:44,725 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-03-17 15:26:44,725 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:44,725 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:44,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:26:44,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:44,959 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2025-03-17 15:26:44,959 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:26:45,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881694953] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:45,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:26:45,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2025-03-17 15:26:45,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995863651] [2025-03-17 15:26:45,000 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:26:45,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-17 15:26:45,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:45,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-17 15:26:45,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:26:45,001 INFO L87 Difference]: Start difference. First operand 174 states and 218 transitions. Second operand has 19 states, 18 states have (on average 4.722222222222222) internal successors, (85), 19 states have internal predecessors, (85), 10 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 8 states have call predecessors, (20), 10 states have call successors, (20) [2025-03-17 15:26:45,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:45,555 INFO L93 Difference]: Finished difference Result 237 states and 294 transitions. [2025-03-17 15:26:45,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-03-17 15:26:45,556 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.722222222222222) internal successors, (85), 19 states have internal predecessors, (85), 10 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 8 states have call predecessors, (20), 10 states have call successors, (20) Word has length 105 [2025-03-17 15:26:45,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:45,557 INFO L225 Difference]: With dead ends: 237 [2025-03-17 15:26:45,557 INFO L226 Difference]: Without dead ends: 228 [2025-03-17 15:26:45,557 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=215, Invalid=841, Unknown=0, NotChecked=0, Total=1056 [2025-03-17 15:26:45,557 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 288 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:45,557 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 566 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:26:45,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2025-03-17 15:26:45,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 201. [2025-03-17 15:26:45,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 163 states have (on average 1.2024539877300613) internal successors, (196), 169 states have internal predecessors, (196), 29 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-17 15:26:45,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 254 transitions. [2025-03-17 15:26:45,573 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 254 transitions. Word has length 105 [2025-03-17 15:26:45,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:45,573 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 254 transitions. [2025-03-17 15:26:45,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.722222222222222) internal successors, (85), 19 states have internal predecessors, (85), 10 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 8 states have call predecessors, (20), 10 states have call successors, (20) [2025-03-17 15:26:45,573 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 254 transitions. [2025-03-17 15:26:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-17 15:26:45,573 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:45,573 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:45,579 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 15:26:45,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-03-17 15:26:45,774 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:45,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:45,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1278333615, now seen corresponding path program 1 times [2025-03-17 15:26:45,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:45,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763815801] [2025-03-17 15:26:45,774 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:45,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:45,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-17 15:26:45,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-17 15:26:45,783 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:45,783 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:45,931 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-03-17 15:26:45,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:45,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763815801] [2025-03-17 15:26:45,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763815801] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:45,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546632558] [2025-03-17 15:26:45,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:45,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:45,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:45,933 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 15:26:45,935 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 15:26:45,953 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-17 15:26:45,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-17 15:26:45,970 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:45,970 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:45,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:26:45,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-03-17 15:26:46,111 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:26:47,100 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2025-03-17 15:26:47,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546632558] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:26:47,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:26:47,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2025-03-17 15:26:47,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131884694] [2025-03-17 15:26:47,101 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:26:47,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-17 15:26:47,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:47,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-17 15:26:47,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=197, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:26:47,102 INFO L87 Difference]: Start difference. First operand 201 states and 254 transitions. Second operand has 18 states, 17 states have (on average 8.058823529411764) internal successors, (137), 18 states have internal predecessors, (137), 10 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2025-03-17 15:26:47,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:47,234 INFO L93 Difference]: Finished difference Result 201 states and 254 transitions. [2025-03-17 15:26:47,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:26:47,236 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.058823529411764) internal successors, (137), 18 states have internal predecessors, (137), 10 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) Word has length 110 [2025-03-17 15:26:47,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:47,237 INFO L225 Difference]: With dead ends: 201 [2025-03-17 15:26:47,237 INFO L226 Difference]: Without dead ends: 190 [2025-03-17 15:26:47,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=245, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:26:47,237 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 37 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:47,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 289 Invalid, 278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:26:47,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2025-03-17 15:26:47,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 154. [2025-03-17 15:26:47,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 127 states have (on average 1.0708661417322836) internal successors, (136), 128 states have internal predecessors, (136), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-17 15:26:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 182 transitions. [2025-03-17 15:26:47,251 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 182 transitions. Word has length 110 [2025-03-17 15:26:47,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:47,253 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 182 transitions. [2025-03-17 15:26:47,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.058823529411764) internal successors, (137), 18 states have internal predecessors, (137), 10 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 10 states have call predecessors, (33), 10 states have call successors, (33) [2025-03-17 15:26:47,253 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 182 transitions. [2025-03-17 15:26:47,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-17 15:26:47,254 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:26:47,254 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-03-17 15:26:47,262 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 15:26:47,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:47,456 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-03-17 15:26:47,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:26:47,456 INFO L85 PathProgramCache]: Analyzing trace with hash 2102349666, now seen corresponding path program 1 times [2025-03-17 15:26:47,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:26:47,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697398637] [2025-03-17 15:26:47,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:47,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:26:47,461 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-17 15:26:47,471 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-17 15:26:47,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:47,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2025-03-17 15:26:47,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:26:47,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697398637] [2025-03-17 15:26:47,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697398637] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:26:47,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497425517] [2025-03-17 15:26:47,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:26:47,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:47,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:26:47,700 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 15:26:47,701 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 15:26:47,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-17 15:26:47,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-17 15:26:47,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:26:47,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:26:47,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:26:47,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:26:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 114 proven. 15 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2025-03-17 15:26:47,801 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:26:47,901 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 34 proven. 15 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2025-03-17 15:26:47,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497425517] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:26:47,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:26:47,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 15 [2025-03-17 15:26:47,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585302053] [2025-03-17 15:26:47,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:26:47,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-17 15:26:47,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:26:47,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-17 15:26:47,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:26:47,903 INFO L87 Difference]: Start difference. First operand 154 states and 182 transitions. Second operand has 15 states, 15 states have (on average 8.8) internal successors, (132), 15 states have internal predecessors, (132), 9 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2025-03-17 15:26:48,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:26:48,147 INFO L93 Difference]: Finished difference Result 167 states and 196 transitions. [2025-03-17 15:26:48,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:26:48,148 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 8.8) internal successors, (132), 15 states have internal predecessors, (132), 9 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) Word has length 134 [2025-03-17 15:26:48,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:26:48,150 INFO L225 Difference]: With dead ends: 167 [2025-03-17 15:26:48,150 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 15:26:48,150 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:26:48,150 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 31 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:26:48,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 351 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:26:48,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 15:26:48,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 15:26:48,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:26:48,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 15:26:48,151 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2025-03-17 15:26:48,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:26:48,151 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 15:26:48,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.8) internal successors, (132), 15 states have internal predecessors, (132), 9 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2025-03-17 15:26:48,151 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 15:26:48,151 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 15:26:48,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2025-03-17 15:26:48,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2025-03-17 15:26:48,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2025-03-17 15:26:48,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2025-03-17 15:26:48,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2025-03-17 15:26:48,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2025-03-17 15:26:48,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2025-03-17 15:26:48,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2025-03-17 15:26:48,153 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 24 remaining) [2025-03-17 15:26:48,154 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 24 remaining) [2025-03-17 15:26:48,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-17 15:26:48,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:26:48,357 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:26:48,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 15:26:48,546 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 15:26:48,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:26:48 BoogieIcfgContainer [2025-03-17 15:26:48,558 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 15:26:48,558 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 15:26:48,558 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 15:26:48,558 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 15:26:48,559 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:26:30" (3/4) ... [2025-03-17 15:26:48,560 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 15:26:48,564 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-03-17 15:26:48,564 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-03-17 15:26:48,566 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2025-03-17 15:26:48,566 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-17 15:26:48,566 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 15:26:48,567 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 15:26:48,618 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 15:26:48,618 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 15:26:48,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 15:26:48,619 INFO L158 Benchmark]: Toolchain (without parser) took 18818.70ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 113.7MB in the beginning and 116.9MB in the end (delta: -3.2MB). Peak memory consumption was 70.4MB. Max. memory is 16.1GB. [2025-03-17 15:26:48,619 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:26:48,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 153.76ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 102.0MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:26:48,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.39ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:26:48,619 INFO L158 Benchmark]: Boogie Preprocessor took 36.70ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.6MB in the end (delta: 931.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:26:48,620 INFO L158 Benchmark]: IcfgBuilder took 300.44ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 82.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 15:26:48,620 INFO L158 Benchmark]: TraceAbstraction took 18231.66ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 81.9MB in the beginning and 122.7MB in the end (delta: -40.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2025-03-17 15:26:48,620 INFO L158 Benchmark]: Witness Printer took 60.20ms. Allocated memory is still 218.1MB. Free memory was 122.7MB in the beginning and 116.9MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:26:48,621 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 153.76ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 102.0MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.39ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.70ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.6MB in the end (delta: 931.7kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 300.44ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 82.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 18231.66ms. Allocated memory was 142.6MB in the beginning and 218.1MB in the end (delta: 75.5MB). Free memory was 81.9MB in the beginning and 122.7MB in the end (delta: -40.8MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. * Witness Printer took 60.20ms. Allocated memory is still 218.1MB. Free memory was 122.7MB in the beginning and 116.9MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 55]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 75 locations, 99 edges, 24 error locations. Started 1 CEGAR loops. OverallTime: 18.0s, OverallIterations: 25, TraceHistogramMax: 12, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2509 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2443 mSDsluCounter, 4595 SdHoareTripleChecker+Invalid, 2.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3285 mSDsCounter, 398 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4947 IncrementalHoareTripleChecker+Invalid, 5345 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 398 mSolverCounterUnsat, 1310 mSDtfsCounter, 4947 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2095 GetRequests, 1815 SyntacticMatches, 10 SemanticMatches, 270 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1094 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201occurred in iteration=23, InterpolantAutomatonStates: 200, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 25 MinimizatonAttempts, 340 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 8.0s InterpolantComputationTime, 3128 NumberOfCodeBlocks, 3128 NumberOfCodeBlocksAsserted, 45 NumberOfCheckSat, 3009 ConstructedInterpolants, 0 QuantifiedInterpolants, 13297 SizeOfPredicates, 27 NumberOfNonLiveVariables, 2698 ConjunctsInSsa, 182 ConjunctsInUnsatCore, 40 InterpolantComputations, 13 PerfectInterpolantSequences, 4773/5140 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 22]: Location Invariant Derived location invariant: ((((((((d == 1) && (p == 1)) && (A <= 1)) && (B == 1)) && (r == 0)) && (q == 1)) || (((((((B <= 1) && (p == 1)) && (d <= 4294967295)) && (0 <= r)) && (r <= 4294967295)) && (q == 0)) && (0 <= d))) || ((((((A <= 1) && (2 == p)) && (B == 1)) && (q == 0)) && (r == 1)) && (2 == d))) - InvariantResult [Line: 36]: Location Invariant Derived location invariant: ((((((((d == 1) && (p == 1)) && (A <= 1)) && (r <= 1)) && (0 <= r)) && (B == 1)) && (q == 0)) || ((((((A <= 1) && (2 == p)) && (B == 1)) && (q == 0)) && (r == 1)) && (2 == d))) RESULT: Ultimate proved your program to be correct! [2025-03-17 15:26:48,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE