./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bda512f5ab4e84c08e80fd02a1c07c8fba5ca60aa45d55edfde2cc268dd1288e --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:15:20,790 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:15:20,838 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:15:20,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:15:20,845 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:15:20,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:15:20,868 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:15:20,868 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:15:20,869 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:15:20,869 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:15:20,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:15:20,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:15:20,870 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:15:20,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:15:20,870 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:15:20,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:15:20,871 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:15:20,871 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:15:20,871 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:15:20,871 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:15:20,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:15:20,871 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:15:20,871 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:15:20,871 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:15:20,871 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:15:20,872 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:15:20,872 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:15:20,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:15:20,872 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:15:20,872 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:15:20,872 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:15:20,872 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:15:20,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:15:20,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:15:20,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:15:20,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:15:20,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:15:20,873 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:15:20,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:15:20,873 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:15:20,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:15:20,873 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:15:20,873 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:15:20,873 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:15:20,874 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:15:20,874 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 -> bda512f5ab4e84c08e80fd02a1c07c8fba5ca60aa45d55edfde2cc268dd1288e [2025-03-17 15:15:21,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:15:21,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:15:21,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:15:21,116 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:15:21,117 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:15:21,119 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2025-03-17 15:15:22,245 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eed8c25d/cef8907c049242f18b18bf80fbaae292/FLAG38975dd22 [2025-03-17 15:15:22,470 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:15:22,471 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2025-03-17 15:15:22,485 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eed8c25d/cef8907c049242f18b18bf80fbaae292/FLAG38975dd22 [2025-03-17 15:15:22,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eed8c25d/cef8907c049242f18b18bf80fbaae292 [2025-03-17 15:15:22,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:15:22,824 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:15:22,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:15:22,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:15:22,828 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:15:22,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:22,829 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cad3734 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22, skipping insertion in model container [2025-03-17 15:15:22,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:22,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:15:22,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:15:22,953 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:15:22,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:15:22,978 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:15:22,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22 WrapperNode [2025-03-17 15:15:22,979 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:15:22,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:15:22,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:15:22,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:15:22,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:22,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:22,999 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 130 [2025-03-17 15:15:22,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:15:22,999 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:15:22,999 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:15:22,999 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:15:23,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:23,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:23,006 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:23,014 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-03-17 15:15:23,015 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:23,015 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:23,017 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:23,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:23,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:23,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:23,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:15:23,020 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:15:23,020 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:15:23,020 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:15:23,021 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22" (1/1) ... [2025-03-17 15:15:23,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:15:23,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:23,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 15:15:23,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 15:15:23,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:15:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 15:15:23,062 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 15:15:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:15:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:15:23,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:15:23,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:15:23,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:15:23,104 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:15:23,106 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:15:23,476 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2025-03-17 15:15:23,476 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:15:23,487 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:15:23,488 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:15:23,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:15:23 BoogieIcfgContainer [2025-03-17 15:15:23,488 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:15:23,489 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:15:23,489 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:15:23,493 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:15:23,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:15:22" (1/3) ... [2025-03-17 15:15:23,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6feeab0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:15:23, skipping insertion in model container [2025-03-17 15:15:23,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:15:22" (2/3) ... [2025-03-17 15:15:23,494 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6feeab0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:15:23, skipping insertion in model container [2025-03-17 15:15:23,494 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:15:23" (3/3) ... [2025-03-17 15:15:23,496 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd3-ll_valuebound2.c [2025-03-17 15:15:23,504 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:15:23,505 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_valuebound2.c that has 3 procedures, 127 locations, 1 initial locations, 3 loop locations, and 50 error locations. [2025-03-17 15:15:23,546 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:15:23,556 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;@7c475e35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:15:23,557 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2025-03-17 15:15:23,560 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 65 states have (on average 1.8923076923076922) internal successors, (123), 115 states have internal predecessors, (123), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:15:23,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-17 15:15:23,564 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:23,564 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:23,564 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:23,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:23,567 INFO L85 PathProgramCache]: Analyzing trace with hash -841350230, now seen corresponding path program 1 times [2025-03-17 15:15:23,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:23,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96621134] [2025-03-17 15:15:23,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:23,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:23,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 15:15:23,622 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 15:15:23,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:23,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-17 15:15:23,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:23,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96621134] [2025-03-17 15:15:23,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96621134] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:23,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813102977] [2025-03-17 15:15:23,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:23,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:23,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:23,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:23,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 15:15:23,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 15:15:23,695 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 15:15:23,695 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:23,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:23,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 15:15:23,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-03-17 15:15:23,705 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:23,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813102977] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:23,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:23,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 15:15:23,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587159110] [2025-03-17 15:15:23,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:23,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 15:15:23,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:23,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 15:15:23,721 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:15:23,722 INFO L87 Difference]: Start difference. First operand has 127 states, 65 states have (on average 1.8923076923076922) internal successors, (123), 115 states have internal predecessors, (123), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:23,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:23,737 INFO L93 Difference]: Finished difference Result 252 states and 288 transitions. [2025-03-17 15:15:23,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 15:15:23,738 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2025-03-17 15:15:23,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:23,742 INFO L225 Difference]: With dead ends: 252 [2025-03-17 15:15:23,742 INFO L226 Difference]: Without dead ends: 123 [2025-03-17 15:15:23,744 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:15:23,746 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:23,746 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:15:23,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-03-17 15:15:23,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2025-03-17 15:15:23,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 63 states have (on average 1.8253968253968254) internal successors, (115), 112 states have internal predecessors, (115), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:15:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 131 transitions. [2025-03-17 15:15:23,780 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 131 transitions. Word has length 25 [2025-03-17 15:15:23,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:23,780 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 131 transitions. [2025-03-17 15:15:23,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:23,780 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 131 transitions. [2025-03-17 15:15:23,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-17 15:15:23,782 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:23,782 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:23,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:23,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 15:15:23,983 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:23,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:23,983 INFO L85 PathProgramCache]: Analyzing trace with hash -863295608, now seen corresponding path program 1 times [2025-03-17 15:15:23,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:23,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077087157] [2025-03-17 15:15:23,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:23,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:23,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-03-17 15:15:24,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-03-17 15:15:24,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:24,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:24,156 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:24,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:24,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077087157] [2025-03-17 15:15:24,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077087157] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:24,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:24,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:15:24,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697269104] [2025-03-17 15:15:24,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:24,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:15:24,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:24,157 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:15:24,157 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:15:24,157 INFO L87 Difference]: Start difference. First operand 123 states and 131 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:24,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:24,388 INFO L93 Difference]: Finished difference Result 209 states and 229 transitions. [2025-03-17 15:15:24,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:15:24,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2025-03-17 15:15:24,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:24,390 INFO L225 Difference]: With dead ends: 209 [2025-03-17 15:15:24,390 INFO L226 Difference]: Without dead ends: 181 [2025-03-17 15:15:24,391 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:15:24,391 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 200 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:24,391 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 312 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:15:24,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2025-03-17 15:15:24,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 124. [2025-03-17 15:15:24,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 64 states have (on average 1.8125) internal successors, (116), 113 states have internal predecessors, (116), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:15:24,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 132 transitions. [2025-03-17 15:15:24,407 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 132 transitions. Word has length 25 [2025-03-17 15:15:24,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:24,407 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 132 transitions. [2025-03-17 15:15:24,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:24,407 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 132 transitions. [2025-03-17 15:15:24,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-03-17 15:15:24,407 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:24,408 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:24,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 15:15:24,408 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:24,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:24,408 INFO L85 PathProgramCache]: Analyzing trace with hash -992355438, now seen corresponding path program 1 times [2025-03-17 15:15:24,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:24,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539650927] [2025-03-17 15:15:24,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:24,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:24,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 15:15:24,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 15:15:24,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:24,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:24,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [644419352] [2025-03-17 15:15:24,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:24,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:24,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:24,435 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:24,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 15:15:24,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-03-17 15:15:24,465 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-03-17 15:15:24,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:24,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:24,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:15:24,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:24,476 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:24,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:24,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539650927] [2025-03-17 15:15:24,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:24,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644419352] [2025-03-17 15:15:24,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644419352] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:24,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:24,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:15:24,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105706074] [2025-03-17 15:15:24,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:24,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:15:24,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:24,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:15:24,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:15:24,477 INFO L87 Difference]: Start difference. First operand 124 states and 132 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:24,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:24,517 INFO L93 Difference]: Finished difference Result 193 states and 209 transitions. [2025-03-17 15:15:24,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:15:24,518 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2025-03-17 15:15:24,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:24,519 INFO L225 Difference]: With dead ends: 193 [2025-03-17 15:15:24,521 INFO L226 Difference]: Without dead ends: 191 [2025-03-17 15:15:24,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:15:24,522 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 63 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:24,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 233 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:15:24,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2025-03-17 15:15:24,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 158. [2025-03-17 15:15:24,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 94 states have (on average 1.851063829787234) internal successors, (174), 143 states have internal predecessors, (174), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:24,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 198 transitions. [2025-03-17 15:15:24,535 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 198 transitions. Word has length 26 [2025-03-17 15:15:24,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:24,535 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 198 transitions. [2025-03-17 15:15:24,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:24,536 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 198 transitions. [2025-03-17 15:15:24,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-17 15:15:24,536 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:24,536 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:24,542 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 15:15:24,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-03-17 15:15:24,737 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:24,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:24,737 INFO L85 PathProgramCache]: Analyzing trace with hash -698251305, now seen corresponding path program 1 times [2025-03-17 15:15:24,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:24,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538044815] [2025-03-17 15:15:24,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:24,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:24,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 15:15:24,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 15:15:24,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:24,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:24,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [638172903] [2025-03-17 15:15:24,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:24,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:24,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:24,755 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:24,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 15:15:24,779 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 15:15:24,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 15:15:24,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:24,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:24,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:15:24,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:24,805 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:24,807 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:24,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:24,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538044815] [2025-03-17 15:15:24,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:24,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638172903] [2025-03-17 15:15:24,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638172903] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:24,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:24,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:15:24,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117117284] [2025-03-17 15:15:24,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:24,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:15:24,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:24,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:15:24,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:15:24,809 INFO L87 Difference]: Start difference. First operand 158 states and 198 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:24,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:24,892 INFO L93 Difference]: Finished difference Result 189 states and 207 transitions. [2025-03-17 15:15:24,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:15:24,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2025-03-17 15:15:24,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:24,894 INFO L225 Difference]: With dead ends: 189 [2025-03-17 15:15:24,894 INFO L226 Difference]: Without dead ends: 185 [2025-03-17 15:15:24,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:15:24,894 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 56 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:24,895 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 215 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:24,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2025-03-17 15:15:24,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 161. [2025-03-17 15:15:24,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 97 states have (on average 1.8041237113402062) internal successors, (175), 146 states have internal predecessors, (175), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:24,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 199 transitions. [2025-03-17 15:15:24,910 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 199 transitions. Word has length 27 [2025-03-17 15:15:24,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:24,910 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 199 transitions. [2025-03-17 15:15:24,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:24,910 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 199 transitions. [2025-03-17 15:15:24,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-17 15:15:24,911 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:24,911 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:24,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:25,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:25,116 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:25,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:25,116 INFO L85 PathProgramCache]: Analyzing trace with hash -170833808, now seen corresponding path program 1 times [2025-03-17 15:15:25,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:25,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106842912] [2025-03-17 15:15:25,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:25,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:25,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-17 15:15:25,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-17 15:15:25,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:25,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:25,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2095344837] [2025-03-17 15:15:25,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:25,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:25,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:25,134 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:25,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 15:15:25,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-17 15:15:25,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-17 15:15:25,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:25,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:25,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:15:25,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:25,224 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:25,224 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:25,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:25,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106842912] [2025-03-17 15:15:25,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:25,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095344837] [2025-03-17 15:15:25,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095344837] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:25,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:25,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:25,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119243267] [2025-03-17 15:15:25,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:25,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:25,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:25,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:25,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:25,226 INFO L87 Difference]: Start difference. First operand 161 states and 199 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:25,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:25,336 INFO L93 Difference]: Finished difference Result 180 states and 199 transitions. [2025-03-17 15:15:25,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:25,336 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 28 [2025-03-17 15:15:25,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:25,338 INFO L225 Difference]: With dead ends: 180 [2025-03-17 15:15:25,338 INFO L226 Difference]: Without dead ends: 179 [2025-03-17 15:15:25,338 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:25,339 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 136 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:25,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 193 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:25,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2025-03-17 15:15:25,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 161. [2025-03-17 15:15:25,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 97 states have (on average 1.7938144329896908) internal successors, (174), 146 states have internal predecessors, (174), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 198 transitions. [2025-03-17 15:15:25,354 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 198 transitions. Word has length 28 [2025-03-17 15:15:25,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:25,355 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 198 transitions. [2025-03-17 15:15:25,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:25,355 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 198 transitions. [2025-03-17 15:15:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 15:15:25,355 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:25,355 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:25,361 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 15:15:25,555 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:25,556 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:25,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:25,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1000880681, now seen corresponding path program 1 times [2025-03-17 15:15:25,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:25,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279980319] [2025-03-17 15:15:25,556 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:25,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:25,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 15:15:25,568 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 15:15:25,568 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:25,568 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:25,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [940033103] [2025-03-17 15:15:25,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:25,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:25,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:25,570 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:25,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 15:15:25,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 15:15:25,605 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 15:15:25,605 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:25,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:25,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:15:25,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:25,655 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:25,655 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:25,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:25,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279980319] [2025-03-17 15:15:25,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:25,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940033103] [2025-03-17 15:15:25,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940033103] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:25,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:25,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:25,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783145752] [2025-03-17 15:15:25,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:25,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:25,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:25,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:25,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:25,665 INFO L87 Difference]: Start difference. First operand 161 states and 198 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:25,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:25,769 INFO L93 Difference]: Finished difference Result 180 states and 198 transitions. [2025-03-17 15:15:25,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:25,769 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2025-03-17 15:15:25,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:25,770 INFO L225 Difference]: With dead ends: 180 [2025-03-17 15:15:25,770 INFO L226 Difference]: Without dead ends: 179 [2025-03-17 15:15:25,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:25,771 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 135 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:25,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 193 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:25,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2025-03-17 15:15:25,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 161. [2025-03-17 15:15:25,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 97 states have (on average 1.7835051546391754) internal successors, (173), 146 states have internal predecessors, (173), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:25,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 197 transitions. [2025-03-17 15:15:25,785 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 197 transitions. Word has length 29 [2025-03-17 15:15:25,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:25,786 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 197 transitions. [2025-03-17 15:15:25,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:25,786 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 197 transitions. [2025-03-17 15:15:25,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 15:15:25,787 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:25,787 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:25,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:25,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:25,991 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:25,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:25,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1004605547, now seen corresponding path program 1 times [2025-03-17 15:15:25,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:25,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732481891] [2025-03-17 15:15:25,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:25,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:25,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 15:15:25,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 15:15:25,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:25,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:26,087 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:26,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:26,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732481891] [2025-03-17 15:15:26,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732481891] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:26,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:26,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:15:26,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383752972] [2025-03-17 15:15:26,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:26,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:15:26,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:26,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:15:26,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:15:26,091 INFO L87 Difference]: Start difference. First operand 161 states and 197 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:26,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:26,148 INFO L93 Difference]: Finished difference Result 184 states and 201 transitions. [2025-03-17 15:15:26,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:15:26,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2025-03-17 15:15:26,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:26,150 INFO L225 Difference]: With dead ends: 184 [2025-03-17 15:15:26,151 INFO L226 Difference]: Without dead ends: 183 [2025-03-17 15:15:26,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:15:26,152 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 53 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:26,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 338 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:15:26,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2025-03-17 15:15:26,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 162. [2025-03-17 15:15:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 98 states have (on average 1.7755102040816326) internal successors, (174), 147 states have internal predecessors, (174), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:26,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 198 transitions. [2025-03-17 15:15:26,163 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 198 transitions. Word has length 29 [2025-03-17 15:15:26,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:26,163 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 198 transitions. [2025-03-17 15:15:26,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:26,163 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 198 transitions. [2025-03-17 15:15:26,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-17 15:15:26,165 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:26,165 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:26,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 15:15:26,165 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:26,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:26,166 INFO L85 PathProgramCache]: Analyzing trace with hash -962529970, now seen corresponding path program 1 times [2025-03-17 15:15:26,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:26,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326585177] [2025-03-17 15:15:26,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:26,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:26,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 15:15:26,178 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 15:15:26,178 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:26,178 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:26,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1039018183] [2025-03-17 15:15:26,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:26,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:26,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:26,183 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:26,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 15:15:26,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 15:15:26,212 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 15:15:26,212 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:26,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:26,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:15:26,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:26,234 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:26,235 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:26,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:26,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326585177] [2025-03-17 15:15:26,235 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:26,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039018183] [2025-03-17 15:15:26,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039018183] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:26,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:26,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:26,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930583299] [2025-03-17 15:15:26,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:26,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:26,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:26,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:26,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:26,237 INFO L87 Difference]: Start difference. First operand 162 states and 198 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:26,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:26,365 INFO L93 Difference]: Finished difference Result 190 states and 206 transitions. [2025-03-17 15:15:26,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:26,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2025-03-17 15:15:26,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:26,366 INFO L225 Difference]: With dead ends: 190 [2025-03-17 15:15:26,366 INFO L226 Difference]: Without dead ends: 189 [2025-03-17 15:15:26,366 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:26,367 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 56 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:26,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 313 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:26,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-03-17 15:15:26,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 162. [2025-03-17 15:15:26,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 98 states have (on average 1.7653061224489797) internal successors, (173), 147 states have internal predecessors, (173), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:26,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 197 transitions. [2025-03-17 15:15:26,373 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 197 transitions. Word has length 30 [2025-03-17 15:15:26,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:26,374 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 197 transitions. [2025-03-17 15:15:26,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 197 transitions. [2025-03-17 15:15:26,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-03-17 15:15:26,374 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:26,374 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:26,380 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 15:15:26,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:26,579 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:26,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:26,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1078000877, now seen corresponding path program 1 times [2025-03-17 15:15:26,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:26,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006851549] [2025-03-17 15:15:26,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:26,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:26,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 15:15:26,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 15:15:26,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:26,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:26,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1816700059] [2025-03-17 15:15:26,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:26,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:26,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:26,590 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:26,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 15:15:26,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-03-17 15:15:26,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-03-17 15:15:26,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:26,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:26,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:15:26,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:26,662 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:26,662 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:26,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:26,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006851549] [2025-03-17 15:15:26,662 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:26,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816700059] [2025-03-17 15:15:26,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816700059] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:26,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:26,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:26,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578952871] [2025-03-17 15:15:26,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:26,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:26,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:26,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:26,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:26,666 INFO L87 Difference]: Start difference. First operand 162 states and 197 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:26,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:26,803 INFO L93 Difference]: Finished difference Result 182 states and 199 transitions. [2025-03-17 15:15:26,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:26,803 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2025-03-17 15:15:26,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:26,804 INFO L225 Difference]: With dead ends: 182 [2025-03-17 15:15:26,804 INFO L226 Difference]: Without dead ends: 181 [2025-03-17 15:15:26,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:15:26,805 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 52 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:26,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 284 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:26,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2025-03-17 15:15:26,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 163. [2025-03-17 15:15:26,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7575757575757576) internal successors, (174), 148 states have internal predecessors, (174), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:26,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 198 transitions. [2025-03-17 15:15:26,811 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 198 transitions. Word has length 30 [2025-03-17 15:15:26,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:26,811 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 198 transitions. [2025-03-17 15:15:26,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:26,812 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 198 transitions. [2025-03-17 15:15:26,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-17 15:15:26,812 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:26,812 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:26,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:27,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:27,013 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:27,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:27,013 INFO L85 PathProgramCache]: Analyzing trace with hash 226342069, now seen corresponding path program 1 times [2025-03-17 15:15:27,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:27,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739900188] [2025-03-17 15:15:27,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:27,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:27,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 15:15:27,035 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 15:15:27,035 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:27,035 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:27,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1600023555] [2025-03-17 15:15:27,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:27,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:27,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:27,038 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:27,039 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 15:15:27,063 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 15:15:27,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 15:15:27,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:27,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:27,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:15:27,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:27,119 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:27,120 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:27,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:27,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739900188] [2025-03-17 15:15:27,120 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:27,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600023555] [2025-03-17 15:15:27,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600023555] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:27,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:27,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:27,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740202433] [2025-03-17 15:15:27,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:27,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:27,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:27,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:27,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:27,122 INFO L87 Difference]: Start difference. First operand 163 states and 198 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:27,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:27,232 INFO L93 Difference]: Finished difference Result 190 states and 205 transitions. [2025-03-17 15:15:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:27,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2025-03-17 15:15:27,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:27,234 INFO L225 Difference]: With dead ends: 190 [2025-03-17 15:15:27,234 INFO L226 Difference]: Without dead ends: 189 [2025-03-17 15:15:27,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:27,234 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 98 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:27,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 237 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:27,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-03-17 15:15:27,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 163. [2025-03-17 15:15:27,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7474747474747474) internal successors, (173), 148 states have internal predecessors, (173), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-03-17 15:15:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 197 transitions. [2025-03-17 15:15:27,241 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 197 transitions. Word has length 31 [2025-03-17 15:15:27,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:27,242 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 197 transitions. [2025-03-17 15:15:27,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:27,242 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 197 transitions. [2025-03-17 15:15:27,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-17 15:15:27,242 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:27,242 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:27,249 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 15:15:27,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-17 15:15:27,443 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:27,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:27,443 INFO L85 PathProgramCache]: Analyzing trace with hash 941711187, now seen corresponding path program 1 times [2025-03-17 15:15:27,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:27,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002458532] [2025-03-17 15:15:27,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:27,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:27,446 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 15:15:27,456 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 15:15:27,456 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:27,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:27,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1871501973] [2025-03-17 15:15:27,457 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:27,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:27,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:27,461 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:27,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 15:15:27,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 15:15:27,488 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 15:15:27,488 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:27,488 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:27,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:15:27,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:27,499 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:27,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:27,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002458532] [2025-03-17 15:15:27,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:27,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871501973] [2025-03-17 15:15:27,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871501973] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:27,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:27,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:15:27,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445464015] [2025-03-17 15:15:27,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:27,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:15:27,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:27,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:15:27,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:15:27,501 INFO L87 Difference]: Start difference. First operand 163 states and 197 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:27,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:27,576 INFO L93 Difference]: Finished difference Result 273 states and 347 transitions. [2025-03-17 15:15:27,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:15:27,576 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2025-03-17 15:15:27,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:27,578 INFO L225 Difference]: With dead ends: 273 [2025-03-17 15:15:27,578 INFO L226 Difference]: Without dead ends: 267 [2025-03-17 15:15:27,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:15:27,578 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 55 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:27,578 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 210 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:27,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2025-03-17 15:15:27,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 235. [2025-03-17 15:15:27,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 163 states have (on average 1.7116564417177915) internal successors, (279), 212 states have internal predecessors, (279), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:15:27,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 319 transitions. [2025-03-17 15:15:27,588 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 319 transitions. Word has length 31 [2025-03-17 15:15:27,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:27,589 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 319 transitions. [2025-03-17 15:15:27,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 319 transitions. [2025-03-17 15:15:27,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-17 15:15:27,589 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:27,589 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:27,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-17 15:15:27,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:27,790 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:27,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:27,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1253648623, now seen corresponding path program 1 times [2025-03-17 15:15:27,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:27,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402841201] [2025-03-17 15:15:27,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:27,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:27,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-17 15:15:27,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-17 15:15:27,802 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:27,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:27,893 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:27,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:27,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402841201] [2025-03-17 15:15:27,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402841201] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:27,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:27,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:15:27,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909730175] [2025-03-17 15:15:27,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:27,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:15:27,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:27,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:15:27,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:15:27,896 INFO L87 Difference]: Start difference. First operand 235 states and 319 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:28,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:28,180 INFO L93 Difference]: Finished difference Result 264 states and 329 transitions. [2025-03-17 15:15:28,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:15:28,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 33 [2025-03-17 15:15:28,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:28,181 INFO L225 Difference]: With dead ends: 264 [2025-03-17 15:15:28,181 INFO L226 Difference]: Without dead ends: 263 [2025-03-17 15:15:28,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:15:28,182 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 54 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:28,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 426 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:15:28,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2025-03-17 15:15:28,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 240. [2025-03-17 15:15:28,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 168 states have (on average 1.7023809523809523) internal successors, (286), 217 states have internal predecessors, (286), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:15:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 326 transitions. [2025-03-17 15:15:28,191 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 326 transitions. Word has length 33 [2025-03-17 15:15:28,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:28,191 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 326 transitions. [2025-03-17 15:15:28,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 326 transitions. [2025-03-17 15:15:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-03-17 15:15:28,192 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:28,192 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:28,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-03-17 15:15:28,192 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:28,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:28,192 INFO L85 PathProgramCache]: Analyzing trace with hash -208401649, now seen corresponding path program 1 times [2025-03-17 15:15:28,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:28,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577865902] [2025-03-17 15:15:28,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:28,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:28,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 15:15:28,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 15:15:28,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:28,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:28,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1480576872] [2025-03-17 15:15:28,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:28,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:28,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:28,202 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:28,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 15:15:28,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-03-17 15:15:28,229 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-03-17 15:15:28,229 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:28,229 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:28,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:15:28,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:28,268 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:28,268 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:28,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:28,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577865902] [2025-03-17 15:15:28,269 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:28,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1480576872] [2025-03-17 15:15:28,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1480576872] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:28,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:28,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:15:28,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922167882] [2025-03-17 15:15:28,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:28,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:15:28,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:28,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:15:28,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:15:28,270 INFO L87 Difference]: Start difference. First operand 240 states and 326 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:28,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:28,408 INFO L93 Difference]: Finished difference Result 281 states and 337 transitions. [2025-03-17 15:15:28,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:15:28,408 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 34 [2025-03-17 15:15:28,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:28,409 INFO L225 Difference]: With dead ends: 281 [2025-03-17 15:15:28,409 INFO L226 Difference]: Without dead ends: 280 [2025-03-17 15:15:28,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:15:28,410 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 149 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:28,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 343 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:28,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2025-03-17 15:15:28,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 242. [2025-03-17 15:15:28,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 170 states have (on average 1.6941176470588235) internal successors, (288), 219 states have internal predecessors, (288), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:15:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 328 transitions. [2025-03-17 15:15:28,418 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 328 transitions. Word has length 34 [2025-03-17 15:15:28,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:28,419 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 328 transitions. [2025-03-17 15:15:28,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 328 transitions. [2025-03-17 15:15:28,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-17 15:15:28,419 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:28,419 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:28,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:28,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-17 15:15:28,624 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:28,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:28,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1589480887, now seen corresponding path program 1 times [2025-03-17 15:15:28,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:28,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142016397] [2025-03-17 15:15:28,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:28,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:28,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:15:28,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:15:28,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:28,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:28,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:28,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142016397] [2025-03-17 15:15:28,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142016397] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:28,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441353883] [2025-03-17 15:15:28,712 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:28,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:28,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:28,714 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:28,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 15:15:28,733 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:15:28,744 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:15:28,744 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:28,744 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:28,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:15:28,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:28,776 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:28,776 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:28,845 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:28,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441353883] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:15:28,845 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:15:28,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2025-03-17 15:15:28,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878321775] [2025-03-17 15:15:28,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:28,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:15:28,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:28,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:15:28,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:15:28,846 INFO L87 Difference]: Start difference. First operand 242 states and 328 transitions. Second operand has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:29,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:29,238 INFO L93 Difference]: Finished difference Result 535 states and 677 transitions. [2025-03-17 15:15:29,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:15:29,239 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2025-03-17 15:15:29,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:29,240 INFO L225 Difference]: With dead ends: 535 [2025-03-17 15:15:29,241 INFO L226 Difference]: Without dead ends: 507 [2025-03-17 15:15:29,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 67 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:15:29,241 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 481 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:29,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 540 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:15:29,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2025-03-17 15:15:29,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 327. [2025-03-17 15:15:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 247 states have (on average 1.7530364372469636) internal successors, (433), 296 states have internal predecessors, (433), 28 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2025-03-17 15:15:29,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 489 transitions. [2025-03-17 15:15:29,264 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 489 transitions. Word has length 36 [2025-03-17 15:15:29,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:29,265 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 489 transitions. [2025-03-17 15:15:29,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:29,265 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 489 transitions. [2025-03-17 15:15:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-17 15:15:29,265 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:29,265 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:29,272 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-17 15:15:29,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-17 15:15:29,466 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:29,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:29,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2029271875, now seen corresponding path program 1 times [2025-03-17 15:15:29,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:29,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317400095] [2025-03-17 15:15:29,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:29,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:29,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:15:29,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:15:29,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:29,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:29,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1771478335] [2025-03-17 15:15:29,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:29,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:29,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:29,480 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:29,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-17 15:15:29,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:15:29,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:15:29,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:29,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:29,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:15:29,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:15:29,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:29,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:29,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317400095] [2025-03-17 15:15:29,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:29,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771478335] [2025-03-17 15:15:29,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1771478335] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:15:29,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:15:29,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2025-03-17 15:15:29,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994952652] [2025-03-17 15:15:29,806 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:29,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:15:29,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:29,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:15:29,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:15:29,806 INFO L87 Difference]: Start difference. First operand 327 states and 489 transitions. Second operand has 12 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-17 15:15:30,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:30,337 INFO L93 Difference]: Finished difference Result 628 states and 923 transitions. [2025-03-17 15:15:30,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:15:30,338 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) Word has length 37 [2025-03-17 15:15:30,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:30,341 INFO L225 Difference]: With dead ends: 628 [2025-03-17 15:15:30,341 INFO L226 Difference]: Without dead ends: 625 [2025-03-17 15:15:30,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:15:30,342 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 570 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:30,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 922 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:15:30,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2025-03-17 15:15:30,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 362. [2025-03-17 15:15:30,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 280 states have (on average 1.7321428571428572) internal successors, (485), 329 states have internal predecessors, (485), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:15:30,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 545 transitions. [2025-03-17 15:15:30,374 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 545 transitions. Word has length 37 [2025-03-17 15:15:30,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:30,375 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 545 transitions. [2025-03-17 15:15:30,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 4.0) internal successors, (40), 9 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 4 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-17 15:15:30,375 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 545 transitions. [2025-03-17 15:15:30,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-03-17 15:15:30,375 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:30,375 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:30,381 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-17 15:15:30,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-17 15:15:30,576 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:30,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:30,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1517081240, now seen corresponding path program 1 times [2025-03-17 15:15:30,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:30,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79013073] [2025-03-17 15:15:30,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:30,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:30,580 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:15:30,586 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:15:30,586 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:30,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:30,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [58358982] [2025-03-17 15:15:30,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:30,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:30,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:30,590 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:30,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-17 15:15:30,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-03-17 15:15:30,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-03-17 15:15:30,626 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:30,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:30,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:15:30,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:30,738 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:15:30,738 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:30,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:30,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79013073] [2025-03-17 15:15:30,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:30,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58358982] [2025-03-17 15:15:30,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58358982] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:30,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:30,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:15:30,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516899512] [2025-03-17 15:15:30,985 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:30,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:15:30,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:30,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:15:30,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:15:30,986 INFO L87 Difference]: Start difference. First operand 362 states and 545 transitions. Second operand has 8 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:31,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:31,229 INFO L93 Difference]: Finished difference Result 596 states and 886 transitions. [2025-03-17 15:15:31,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:15:31,230 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2025-03-17 15:15:31,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:31,233 INFO L225 Difference]: With dead ends: 596 [2025-03-17 15:15:31,234 INFO L226 Difference]: Without dead ends: 593 [2025-03-17 15:15:31,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:15:31,234 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 364 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:31,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 465 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:15:31,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2025-03-17 15:15:31,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 518. [2025-03-17 15:15:31,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 418 states have (on average 1.7655502392344498) internal successors, (738), 467 states have internal predecessors, (738), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-17 15:15:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 834 transitions. [2025-03-17 15:15:31,270 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 834 transitions. Word has length 38 [2025-03-17 15:15:31,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:31,271 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 834 transitions. [2025-03-17 15:15:31,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 4.0) internal successors, (24), 6 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 834 transitions. [2025-03-17 15:15:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 15:15:31,271 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:31,271 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:31,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:31,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-17 15:15:31,472 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:31,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:31,472 INFO L85 PathProgramCache]: Analyzing trace with hash 215121889, now seen corresponding path program 1 times [2025-03-17 15:15:31,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:31,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812634564] [2025-03-17 15:15:31,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:31,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:31,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:15:31,481 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:15:31,481 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:31,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:31,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1760426965] [2025-03-17 15:15:31,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:31,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:31,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:31,483 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:31,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-17 15:15:31,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:15:31,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:15:31,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:31,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:31,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 15:15:31,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:31,678 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:31,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:31,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:31,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812634564] [2025-03-17 15:15:31,808 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:31,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1760426965] [2025-03-17 15:15:31,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1760426965] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:31,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:31,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:15:31,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523239086] [2025-03-17 15:15:31,808 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:31,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:15:31,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:31,809 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:15:31,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:15:31,809 INFO L87 Difference]: Start difference. First operand 518 states and 834 transitions. Second operand has 9 states, 8 states have (on average 3.125) internal successors, (25), 9 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:32,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:32,210 INFO L93 Difference]: Finished difference Result 565 states and 840 transitions. [2025-03-17 15:15:32,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:15:32,210 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 9 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2025-03-17 15:15:32,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:32,212 INFO L225 Difference]: With dead ends: 565 [2025-03-17 15:15:32,212 INFO L226 Difference]: Without dead ends: 564 [2025-03-17 15:15:32,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:15:32,213 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 366 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:32,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 618 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:15:32,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2025-03-17 15:15:32,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 518. [2025-03-17 15:15:32,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 418 states have (on average 1.7583732057416268) internal successors, (735), 467 states have internal predecessors, (735), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-17 15:15:32,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 831 transitions. [2025-03-17 15:15:32,239 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 831 transitions. Word has length 39 [2025-03-17 15:15:32,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:32,239 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 831 transitions. [2025-03-17 15:15:32,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.125) internal successors, (25), 9 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 831 transitions. [2025-03-17 15:15:32,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 15:15:32,240 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:32,240 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:32,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:32,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:32,441 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:32,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:32,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1929916726, now seen corresponding path program 1 times [2025-03-17 15:15:32,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:32,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274806511] [2025-03-17 15:15:32,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:32,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:32,445 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:15:32,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:15:32,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:32,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:32,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [78554149] [2025-03-17 15:15:32,452 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:32,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:32,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:32,454 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:32,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-17 15:15:32,472 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:15:32,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:15:32,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:32,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:32,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:15:32,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:32,500 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:32,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:32,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274806511] [2025-03-17 15:15:32,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:32,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78554149] [2025-03-17 15:15:32,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78554149] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:32,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:32,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:32,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847906467] [2025-03-17 15:15:32,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:32,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:32,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:32,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:32,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:32,501 INFO L87 Difference]: Start difference. First operand 518 states and 831 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:15:32,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:32,631 INFO L93 Difference]: Finished difference Result 545 states and 842 transitions. [2025-03-17 15:15:32,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:32,632 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2025-03-17 15:15:32,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:32,634 INFO L225 Difference]: With dead ends: 545 [2025-03-17 15:15:32,634 INFO L226 Difference]: Without dead ends: 544 [2025-03-17 15:15:32,634 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:32,634 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 91 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:32,635 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 229 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:15:32,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2025-03-17 15:15:32,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 518. [2025-03-17 15:15:32,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 418 states have (on average 1.7535885167464116) internal successors, (733), 467 states have internal predecessors, (733), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-17 15:15:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 829 transitions. [2025-03-17 15:15:32,658 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 829 transitions. Word has length 41 [2025-03-17 15:15:32,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:32,658 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 829 transitions. [2025-03-17 15:15:32,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:15:32,658 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 829 transitions. [2025-03-17 15:15:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 15:15:32,658 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:32,658 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:32,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-17 15:15:32,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-17 15:15:32,859 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:32,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:32,859 INFO L85 PathProgramCache]: Analyzing trace with hash -1921155962, now seen corresponding path program 1 times [2025-03-17 15:15:32,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:32,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837452547] [2025-03-17 15:15:32,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:32,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:32,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:15:32,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:15:32,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:32,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:32,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [668166833] [2025-03-17 15:15:32,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:32,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:32,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:32,871 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:32,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-17 15:15:32,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:15:32,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:15:32,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:32,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:32,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 15:15:32,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:33,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:33,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:33,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837452547] [2025-03-17 15:15:33,405 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:33,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668166833] [2025-03-17 15:15:33,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668166833] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:33,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:33,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:15:33,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354554783] [2025-03-17 15:15:33,405 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:33,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:15:33,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:33,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:15:33,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:15:33,406 INFO L87 Difference]: Start difference. First operand 518 states and 829 transitions. Second operand has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:33,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:33,889 INFO L93 Difference]: Finished difference Result 565 states and 835 transitions. [2025-03-17 15:15:33,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:15:33,889 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 40 [2025-03-17 15:15:33,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:33,891 INFO L225 Difference]: With dead ends: 565 [2025-03-17 15:15:33,891 INFO L226 Difference]: Without dead ends: 564 [2025-03-17 15:15:33,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:15:33,892 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 354 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:33,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 609 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:15:33,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2025-03-17 15:15:33,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 518. [2025-03-17 15:15:33,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 418 states have (on average 1.7464114832535884) internal successors, (730), 467 states have internal predecessors, (730), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-17 15:15:33,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 826 transitions. [2025-03-17 15:15:33,915 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 826 transitions. Word has length 40 [2025-03-17 15:15:33,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:33,915 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 826 transitions. [2025-03-17 15:15:33,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.25) internal successors, (26), 9 states have internal predecessors, (26), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-03-17 15:15:33,915 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 826 transitions. [2025-03-17 15:15:33,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 15:15:33,916 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:33,916 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:33,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-17 15:15:34,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:34,117 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:34,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:34,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1924880828, now seen corresponding path program 1 times [2025-03-17 15:15:34,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:34,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676883973] [2025-03-17 15:15:34,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:34,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:34,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:15:34,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:15:34,123 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:34,123 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:34,198 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:34,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:34,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676883973] [2025-03-17 15:15:34,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676883973] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:34,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375977498] [2025-03-17 15:15:34,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:34,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:34,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:34,200 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:34,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-17 15:15:34,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 15:15:34,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 15:15:34,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:34,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:34,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:15:34,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:34,262 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:34,263 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:34,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375977498] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:34,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:34,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-03-17 15:15:34,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542707108] [2025-03-17 15:15:34,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:34,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:15:34,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:34,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:15:34,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:15:34,264 INFO L87 Difference]: Start difference. First operand 518 states and 826 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:34,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:34,469 INFO L93 Difference]: Finished difference Result 712 states and 1048 transitions. [2025-03-17 15:15:34,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:15:34,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2025-03-17 15:15:34,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:34,471 INFO L225 Difference]: With dead ends: 712 [2025-03-17 15:15:34,471 INFO L226 Difference]: Without dead ends: 446 [2025-03-17 15:15:34,473 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:15:34,474 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 154 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:34,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 523 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:15:34,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2025-03-17 15:15:34,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 402. [2025-03-17 15:15:34,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 313 states have (on average 1.70926517571885) internal successors, (535), 360 states have internal predecessors, (535), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-03-17 15:15:34,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 613 transitions. [2025-03-17 15:15:34,493 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 613 transitions. Word has length 40 [2025-03-17 15:15:34,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:34,493 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 613 transitions. [2025-03-17 15:15:34,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 15:15:34,493 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 613 transitions. [2025-03-17 15:15:34,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-17 15:15:34,493 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:34,493 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:34,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:34,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:34,694 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:34,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:34,695 INFO L85 PathProgramCache]: Analyzing trace with hash -302123584, now seen corresponding path program 1 times [2025-03-17 15:15:34,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:34,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750945109] [2025-03-17 15:15:34,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:34,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:34,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 15:15:34,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 15:15:34,704 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:34,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:34,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [435754576] [2025-03-17 15:15:34,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:34,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:34,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:34,706 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:34,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-17 15:15:34,725 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 15:15:34,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 15:15:34,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:34,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:34,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:15:34,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:15:34,795 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:34,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:34,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750945109] [2025-03-17 15:15:34,795 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:34,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435754576] [2025-03-17 15:15:34,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435754576] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:34,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:15:34,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:15:34,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073400448] [2025-03-17 15:15:34,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:34,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:15:34,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:34,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:15:34,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:34,796 INFO L87 Difference]: Start difference. First operand 402 states and 613 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:15:35,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:35,052 INFO L93 Difference]: Finished difference Result 430 states and 625 transitions. [2025-03-17 15:15:35,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:15:35,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 42 [2025-03-17 15:15:35,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:35,054 INFO L225 Difference]: With dead ends: 430 [2025-03-17 15:15:35,054 INFO L226 Difference]: Without dead ends: 429 [2025-03-17 15:15:35,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:15:35,055 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 55 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:35,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 290 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:15:35,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2025-03-17 15:15:35,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 402. [2025-03-17 15:15:35,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 313 states have (on average 1.7028753993610224) internal successors, (533), 360 states have internal predecessors, (533), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2025-03-17 15:15:35,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 611 transitions. [2025-03-17 15:15:35,072 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 611 transitions. Word has length 42 [2025-03-17 15:15:35,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:35,072 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 611 transitions. [2025-03-17 15:15:35,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:15:35,073 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 611 transitions. [2025-03-17 15:15:35,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 15:15:35,073 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:35,073 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:35,079 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:35,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:35,274 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:35,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:35,274 INFO L85 PathProgramCache]: Analyzing trace with hash 573707391, now seen corresponding path program 1 times [2025-03-17 15:15:35,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:35,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520591031] [2025-03-17 15:15:35,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:35,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:35,276 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:15:35,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:15:35,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:35,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:35,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1050905723] [2025-03-17 15:15:35,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:35,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:35,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:35,286 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:35,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-17 15:15:35,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:15:35,316 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:15:35,316 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:35,316 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:35,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-17 15:15:35,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:35,412 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:35,412 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:35,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:35,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520591031] [2025-03-17 15:15:35,569 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:35,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050905723] [2025-03-17 15:15:35,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050905723] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:15:35,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:15:35,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2025-03-17 15:15:35,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889226777] [2025-03-17 15:15:35,569 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:35,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-17 15:15:35,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:35,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-17 15:15:35,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:15:35,570 INFO L87 Difference]: Start difference. First operand 402 states and 611 transitions. Second operand has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:15:36,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:36,302 INFO L93 Difference]: Finished difference Result 455 states and 623 transitions. [2025-03-17 15:15:36,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:15:36,303 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) Word has length 41 [2025-03-17 15:15:36,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:36,305 INFO L225 Difference]: With dead ends: 455 [2025-03-17 15:15:36,305 INFO L226 Difference]: Without dead ends: 450 [2025-03-17 15:15:36,305 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=235, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:15:36,306 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 736 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 755 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:36,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 755 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 15:15:36,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2025-03-17 15:15:36,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 328. [2025-03-17 15:15:36,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 248 states have (on average 1.6491935483870968) internal successors, (409), 295 states have internal predecessors, (409), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:15:36,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 469 transitions. [2025-03-17 15:15:36,327 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 469 transitions. Word has length 41 [2025-03-17 15:15:36,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:36,328 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 469 transitions. [2025-03-17 15:15:36,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:15:36,328 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 469 transitions. [2025-03-17 15:15:36,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-17 15:15:36,328 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:36,328 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:36,335 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:36,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:36,530 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:36,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:36,530 INFO L85 PathProgramCache]: Analyzing trace with hash 605060004, now seen corresponding path program 1 times [2025-03-17 15:15:36,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:36,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384902710] [2025-03-17 15:15:36,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:36,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:36,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 15:15:36,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 15:15:36,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:36,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:36,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2120086997] [2025-03-17 15:15:36,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:36,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:36,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:36,541 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:36,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-17 15:15:36,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 15:15:36,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 15:15:36,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:36,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:36,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 15:15:36,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:36,690 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:36,690 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:36,910 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:15:36,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:36,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384902710] [2025-03-17 15:15:36,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:36,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120086997] [2025-03-17 15:15:36,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120086997] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:15:36,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:15:36,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-03-17 15:15:36,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715436695] [2025-03-17 15:15:36,910 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:36,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:15:36,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:36,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:15:36,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:15:36,911 INFO L87 Difference]: Start difference. First operand 328 states and 469 transitions. Second operand has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:15:37,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:37,930 INFO L93 Difference]: Finished difference Result 379 states and 483 transitions. [2025-03-17 15:15:37,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:15:37,931 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 42 [2025-03-17 15:15:37,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:37,932 INFO L225 Difference]: With dead ends: 379 [2025-03-17 15:15:37,932 INFO L226 Difference]: Without dead ends: 377 [2025-03-17 15:15:37,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:15:37,932 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 468 mSDsluCounter, 732 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:37,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 860 Invalid, 698 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-17 15:15:37,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2025-03-17 15:15:37,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 329. [2025-03-17 15:15:37,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.6305220883534137) internal successors, (406), 296 states have internal predecessors, (406), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:15:37,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 466 transitions. [2025-03-17 15:15:37,948 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 466 transitions. Word has length 42 [2025-03-17 15:15:37,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:37,948 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 466 transitions. [2025-03-17 15:15:37,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.166666666666667) internal successors, (50), 11 states have internal predecessors, (50), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:15:37,948 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 466 transitions. [2025-03-17 15:15:37,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-17 15:15:37,948 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:37,949 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:37,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:38,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-03-17 15:15:38,150 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:38,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:38,150 INFO L85 PathProgramCache]: Analyzing trace with hash 578330217, now seen corresponding path program 1 times [2025-03-17 15:15:38,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:38,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524305622] [2025-03-17 15:15:38,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:38,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:38,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 15:15:38,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 15:15:38,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:38,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:38,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1662517873] [2025-03-17 15:15:38,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:38,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:38,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:38,161 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:38,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-17 15:15:38,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 15:15:38,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 15:15:38,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:38,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:38,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 15:15:38,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:15:38,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:58,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:58,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524305622] [2025-03-17 15:15:58,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:58,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662517873] [2025-03-17 15:15:58,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662517873] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:58,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:58,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:15:58,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002718742] [2025-03-17 15:15:58,313 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:58,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:15:58,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:58,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:15:58,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=109, Unknown=5, NotChecked=0, Total=156 [2025-03-17 15:15:58,314 INFO L87 Difference]: Start difference. First operand 329 states and 466 transitions. Second operand has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:15:58,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:58,536 INFO L93 Difference]: Finished difference Result 381 states and 486 transitions. [2025-03-17 15:15:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:15:58,536 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 48 [2025-03-17 15:15:58,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:58,537 INFO L225 Difference]: With dead ends: 381 [2025-03-17 15:15:58,537 INFO L226 Difference]: Without dead ends: 379 [2025-03-17 15:15:58,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=42, Invalid=109, Unknown=5, NotChecked=0, Total=156 [2025-03-17 15:15:58,538 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 270 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:58,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 643 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:15:58,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-03-17 15:15:58,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 329. [2025-03-17 15:15:58,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.6144578313253013) internal successors, (402), 296 states have internal predecessors, (402), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:15:58,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 462 transitions. [2025-03-17 15:15:58,556 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 462 transitions. Word has length 48 [2025-03-17 15:15:58,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:58,557 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 462 transitions. [2025-03-17 15:15:58,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:15:58,557 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 462 transitions. [2025-03-17 15:15:58,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-17 15:15:58,557 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:58,557 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:58,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-03-17 15:15:58,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-03-17 15:15:58,758 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:58,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:58,758 INFO L85 PathProgramCache]: Analyzing trace with hash -128526054, now seen corresponding path program 1 times [2025-03-17 15:15:58,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:58,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523999145] [2025-03-17 15:15:58,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:58,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:58,761 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:15:58,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:15:58,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:58,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-03-17 15:15:58,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:58,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523999145] [2025-03-17 15:15:58,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523999145] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:58,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417823713] [2025-03-17 15:15:58,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:58,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:58,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:58,854 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:58,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-17 15:15:58,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:15:58,885 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:15:58,885 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:58,885 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:58,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:15:58,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:58,959 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-17 15:15:58,959 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:15:58,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417823713] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:15:58,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:58,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2025-03-17 15:15:58,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797553126] [2025-03-17 15:15:58,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:15:58,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:15:58,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:58,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:15:58,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:15:58,960 INFO L87 Difference]: Start difference. First operand 329 states and 462 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:15:59,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:15:59,165 INFO L93 Difference]: Finished difference Result 356 states and 466 transitions. [2025-03-17 15:15:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:15:59,166 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 50 [2025-03-17 15:15:59,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:15:59,167 INFO L225 Difference]: With dead ends: 356 [2025-03-17 15:15:59,167 INFO L226 Difference]: Without dead ends: 355 [2025-03-17 15:15:59,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:15:59,167 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 250 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:15:59,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 261 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:15:59,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-03-17 15:15:59,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 329. [2025-03-17 15:15:59,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.6104417670682731) internal successors, (401), 296 states have internal predecessors, (401), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:15:59,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 461 transitions. [2025-03-17 15:15:59,183 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 461 transitions. Word has length 50 [2025-03-17 15:15:59,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:15:59,183 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 461 transitions. [2025-03-17 15:15:59,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:15:59,183 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 461 transitions. [2025-03-17 15:15:59,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-17 15:15:59,184 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:15:59,184 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:15:59,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-17 15:15:59,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:59,388 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:15:59,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:15:59,388 INFO L85 PathProgramCache]: Analyzing trace with hash 748367605, now seen corresponding path program 1 times [2025-03-17 15:15:59,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:15:59,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112158290] [2025-03-17 15:15:59,388 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:59,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:15:59,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-17 15:15:59,395 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-17 15:15:59,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:59,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:15:59,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440941946] [2025-03-17 15:15:59,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:15:59,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:15:59,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:15:59,398 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:15:59,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-17 15:15:59,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-17 15:15:59,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-17 15:15:59,431 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:15:59,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:15:59,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 15:15:59,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:15:59,562 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:15:59,562 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:15:59,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:15:59,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112158290] [2025-03-17 15:15:59,869 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:15:59,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440941946] [2025-03-17 15:15:59,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440941946] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:15:59,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:15:59,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:15:59,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152509761] [2025-03-17 15:15:59,870 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:15:59,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:15:59,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:15:59,870 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:15:59,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:15:59,870 INFO L87 Difference]: Start difference. First operand 329 states and 461 transitions. Second operand has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:00,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:00,074 INFO L93 Difference]: Finished difference Result 381 states and 481 transitions. [2025-03-17 15:16:00,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:16:00,074 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 49 [2025-03-17 15:16:00,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:00,075 INFO L225 Difference]: With dead ends: 381 [2025-03-17 15:16:00,075 INFO L226 Difference]: Without dead ends: 379 [2025-03-17 15:16:00,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:16:00,076 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 297 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:00,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 462 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:00,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-03-17 15:16:00,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 329. [2025-03-17 15:16:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.5943775100401607) internal successors, (397), 296 states have internal predecessors, (397), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:16:00,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 457 transitions. [2025-03-17 15:16:00,091 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 457 transitions. Word has length 49 [2025-03-17 15:16:00,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:00,091 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 457 transitions. [2025-03-17 15:16:00,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:00,092 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 457 transitions. [2025-03-17 15:16:00,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-17 15:16:00,092 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:00,092 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:00,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:00,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:00,293 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:00,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:00,293 INFO L85 PathProgramCache]: Analyzing trace with hash 310659667, now seen corresponding path program 1 times [2025-03-17 15:16:00,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:00,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886037716] [2025-03-17 15:16:00,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:00,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:00,295 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:16:00,300 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:16:00,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:00,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:00,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2127885109] [2025-03-17 15:16:00,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:00,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:00,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:00,303 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:00,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-17 15:16:00,322 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:16:00,330 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:16:00,330 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:00,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:00,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:16:00,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:00,384 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-17 15:16:00,385 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:00,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:00,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886037716] [2025-03-17 15:16:00,385 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:00,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127885109] [2025-03-17 15:16:00,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127885109] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:00,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:00,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:16:00,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20242707] [2025-03-17 15:16:00,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:00,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:16:00,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:00,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:16:00,385 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:16:00,385 INFO L87 Difference]: Start difference. First operand 329 states and 457 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:16:00,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:00,536 INFO L93 Difference]: Finished difference Result 356 states and 461 transitions. [2025-03-17 15:16:00,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:16:00,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 51 [2025-03-17 15:16:00,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:00,538 INFO L225 Difference]: With dead ends: 356 [2025-03-17 15:16:00,538 INFO L226 Difference]: Without dead ends: 355 [2025-03-17 15:16:00,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:00,538 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 247 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:00,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 263 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:00,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-03-17 15:16:00,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 329. [2025-03-17 15:16:00,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 329 states, 249 states have (on average 1.5903614457831325) internal successors, (396), 296 states have internal predecessors, (396), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:16:00,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 456 transitions. [2025-03-17 15:16:00,554 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 456 transitions. Word has length 51 [2025-03-17 15:16:00,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:00,554 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 456 transitions. [2025-03-17 15:16:00,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:16:00,554 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 456 transitions. [2025-03-17 15:16:00,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-17 15:16:00,554 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:00,555 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:00,561 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-17 15:16:00,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-03-17 15:16:00,755 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:00,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:00,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1724559335, now seen corresponding path program 1 times [2025-03-17 15:16:00,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:00,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822996] [2025-03-17 15:16:00,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:00,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:00,759 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:16:00,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:16:00,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:00,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:00,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [242765532] [2025-03-17 15:16:00,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:00,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:00,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:00,767 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:00,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-17 15:16:00,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:16:00,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:16:00,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:00,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:00,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-17 15:16:00,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:00,984 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:16:00,984 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:01,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:01,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822996] [2025-03-17 15:16:01,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:01,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242765532] [2025-03-17 15:16:01,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242765532] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:01,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:01,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-17 15:16:01,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561699665] [2025-03-17 15:16:01,277 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:01,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:16:01,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:01,277 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:16:01,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:16:01,278 INFO L87 Difference]: Start difference. First operand 329 states and 456 transitions. Second operand has 13 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:01,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:01,966 INFO L93 Difference]: Finished difference Result 452 states and 596 transitions. [2025-03-17 15:16:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:16:01,967 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 50 [2025-03-17 15:16:01,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:01,968 INFO L225 Difference]: With dead ends: 452 [2025-03-17 15:16:01,968 INFO L226 Difference]: Without dead ends: 451 [2025-03-17 15:16:01,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2025-03-17 15:16:01,969 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 433 mSDsluCounter, 446 mSDsCounter, 0 mSdLazyCounter, 1246 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 1275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:01,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 522 Invalid, 1275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1246 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:16:01,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2025-03-17 15:16:01,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 340. [2025-03-17 15:16:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 259 states have (on average 1.5675675675675675) internal successors, (406), 306 states have internal predecessors, (406), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-03-17 15:16:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 468 transitions. [2025-03-17 15:16:01,986 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 468 transitions. Word has length 50 [2025-03-17 15:16:01,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:01,986 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 468 transitions. [2025-03-17 15:16:01,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:01,986 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 468 transitions. [2025-03-17 15:16:01,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-17 15:16:01,986 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:01,986 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:01,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-03-17 15:16:02,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-17 15:16:02,187 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:02,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:02,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1921731891, now seen corresponding path program 1 times [2025-03-17 15:16:02,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:02,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511515576] [2025-03-17 15:16:02,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:02,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:02,190 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:16:02,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:16:02,194 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:02,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:02,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1649035369] [2025-03-17 15:16:02,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:02,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:02,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:02,197 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:02,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-17 15:16:02,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:16:02,224 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:16:02,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:02,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:02,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-17 15:16:02,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:02,388 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:16:02,389 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:02,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:02,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511515576] [2025-03-17 15:16:02,895 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:02,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649035369] [2025-03-17 15:16:02,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649035369] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:02,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:02,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-17 15:16:02,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729408486] [2025-03-17 15:16:02,896 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:02,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:16:02,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:02,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:16:02,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:16:02,896 INFO L87 Difference]: Start difference. First operand 340 states and 468 transitions. Second operand has 13 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:03,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:03,537 INFO L93 Difference]: Finished difference Result 452 states and 595 transitions. [2025-03-17 15:16:03,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:16:03,538 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 51 [2025-03-17 15:16:03,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:03,539 INFO L225 Difference]: With dead ends: 452 [2025-03-17 15:16:03,539 INFO L226 Difference]: Without dead ends: 451 [2025-03-17 15:16:03,539 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2025-03-17 15:16:03,540 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 556 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 1274 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 489 SdHoareTripleChecker+Invalid, 1308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:03,540 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 489 Invalid, 1308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1274 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:16:03,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2025-03-17 15:16:03,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 330. [2025-03-17 15:16:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 250 states have (on average 1.588) internal successors, (397), 297 states have internal predecessors, (397), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:16:03,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 457 transitions. [2025-03-17 15:16:03,559 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 457 transitions. Word has length 51 [2025-03-17 15:16:03,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:03,559 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 457 transitions. [2025-03-17 15:16:03,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:03,559 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 457 transitions. [2025-03-17 15:16:03,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-17 15:16:03,560 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:03,560 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:03,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-03-17 15:16:03,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-17 15:16:03,761 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:03,761 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:03,761 INFO L85 PathProgramCache]: Analyzing trace with hash -555853467, now seen corresponding path program 1 times [2025-03-17 15:16:03,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:03,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087689785] [2025-03-17 15:16:03,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:03,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:03,763 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 15:16:03,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 15:16:03,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:03,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:03,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1410829120] [2025-03-17 15:16:03,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:03,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:03,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:03,770 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:03,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-17 15:16:03,789 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 15:16:03,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 15:16:03,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:03,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:03,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:16:03,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:16:03,906 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:03,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:03,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087689785] [2025-03-17 15:16:03,966 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:03,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410829120] [2025-03-17 15:16:03,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410829120] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:03,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:03,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:16:03,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201636759] [2025-03-17 15:16:03,966 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:03,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:16:03,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:03,967 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:16:03,967 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:16:03,967 INFO L87 Difference]: Start difference. First operand 330 states and 457 transitions. Second operand has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-17 15:16:04,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:04,205 INFO L93 Difference]: Finished difference Result 391 states and 488 transitions. [2025-03-17 15:16:04,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:16:04,209 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 52 [2025-03-17 15:16:04,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:04,210 INFO L225 Difference]: With dead ends: 391 [2025-03-17 15:16:04,210 INFO L226 Difference]: Without dead ends: 390 [2025-03-17 15:16:04,210 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:16:04,211 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 252 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 481 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 641 SdHoareTripleChecker+Invalid, 485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:04,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 641 Invalid, 485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 481 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:04,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2025-03-17 15:16:04,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 330. [2025-03-17 15:16:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 250 states have (on average 1.58) internal successors, (395), 297 states have internal predecessors, (395), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:16:04,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 455 transitions. [2025-03-17 15:16:04,227 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 455 transitions. Word has length 52 [2025-03-17 15:16:04,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:04,227 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 455 transitions. [2025-03-17 15:16:04,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-03-17 15:16:04,228 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 455 transitions. [2025-03-17 15:16:04,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-03-17 15:16:04,228 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:04,228 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:04,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:04,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:04,429 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:04,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:04,429 INFO L85 PathProgramCache]: Analyzing trace with hash -51588239, now seen corresponding path program 1 times [2025-03-17 15:16:04,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:04,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638783852] [2025-03-17 15:16:04,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:04,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:04,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-17 15:16:04,436 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-17 15:16:04,436 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:04,436 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:04,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [504130702] [2025-03-17 15:16:04,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:04,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:04,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:04,439 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:04,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-17 15:16:04,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-03-17 15:16:04,475 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-03-17 15:16:04,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:04,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:04,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-03-17 15:16:04,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:04,736 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:16:04,736 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:04,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:04,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638783852] [2025-03-17 15:16:04,836 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:04,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504130702] [2025-03-17 15:16:04,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504130702] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:04,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:04,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-03-17 15:16:04,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923801118] [2025-03-17 15:16:04,836 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:04,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:16:04,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:04,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:16:04,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:16:04,837 INFO L87 Difference]: Start difference. First operand 330 states and 455 transitions. Second operand has 14 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:05,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:05,443 INFO L93 Difference]: Finished difference Result 450 states and 588 transitions. [2025-03-17 15:16:05,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 15:16:05,443 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 53 [2025-03-17 15:16:05,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:05,445 INFO L225 Difference]: With dead ends: 450 [2025-03-17 15:16:05,445 INFO L226 Difference]: Without dead ends: 449 [2025-03-17 15:16:05,445 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:16:05,445 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 448 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 1326 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 1349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:05,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 465 Invalid, 1349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1326 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:16:05,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2025-03-17 15:16:05,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 393. [2025-03-17 15:16:05,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 305 states have (on average 1.5704918032786885) internal successors, (479), 352 states have internal predecessors, (479), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-17 15:16:05,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 555 transitions. [2025-03-17 15:16:05,466 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 555 transitions. Word has length 53 [2025-03-17 15:16:05,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:05,466 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 555 transitions. [2025-03-17 15:16:05,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2025-03-17 15:16:05,467 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 555 transitions. [2025-03-17 15:16:05,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2025-03-17 15:16:05,467 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:05,467 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:05,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:05,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:05,671 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:05,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:05,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1796666678, now seen corresponding path program 1 times [2025-03-17 15:16:05,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:05,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848765481] [2025-03-17 15:16:05,672 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:05,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:05,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-17 15:16:05,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-17 15:16:05,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:05,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:05,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1705571325] [2025-03-17 15:16:05,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:05,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:05,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:05,681 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:05,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-17 15:16:05,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-03-17 15:16:05,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-03-17 15:16:05,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:05,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:05,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:16:05,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:05,758 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:16:05,758 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:05,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:05,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848765481] [2025-03-17 15:16:05,758 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:05,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705571325] [2025-03-17 15:16:05,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705571325] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:05,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:05,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:16:05,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70327729] [2025-03-17 15:16:05,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:05,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:16:05,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:05,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:16:05,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:16:05,759 INFO L87 Difference]: Start difference. First operand 393 states and 555 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:16:05,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:05,908 INFO L93 Difference]: Finished difference Result 468 states and 643 transitions. [2025-03-17 15:16:05,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:16:05,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 57 [2025-03-17 15:16:05,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:05,910 INFO L225 Difference]: With dead ends: 468 [2025-03-17 15:16:05,910 INFO L226 Difference]: Without dead ends: 465 [2025-03-17 15:16:05,910 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:05,910 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 209 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:05,910 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 196 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:05,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-03-17 15:16:05,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 447. [2025-03-17 15:16:05,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 351 states have (on average 1.5299145299145298) internal successors, (537), 398 states have internal predecessors, (537), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 15:16:05,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 629 transitions. [2025-03-17 15:16:05,941 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 629 transitions. Word has length 57 [2025-03-17 15:16:05,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:05,942 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 629 transitions. [2025-03-17 15:16:05,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:16:05,943 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 629 transitions. [2025-03-17 15:16:05,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-03-17 15:16:05,943 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:05,943 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:05,949 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:06,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:06,144 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:06,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:06,144 INFO L85 PathProgramCache]: Analyzing trace with hash 137907870, now seen corresponding path program 1 times [2025-03-17 15:16:06,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:06,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142016046] [2025-03-17 15:16:06,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:06,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:06,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-17 15:16:06,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-17 15:16:06,151 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:06,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:06,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1251330120] [2025-03-17 15:16:06,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:06,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:06,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:06,153 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:06,154 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-17 15:16:06,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-03-17 15:16:06,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-03-17 15:16:06,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:06,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:06,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:16:06,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:06,245 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:16:06,245 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:06,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:06,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142016046] [2025-03-17 15:16:06,245 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:06,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251330120] [2025-03-17 15:16:06,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251330120] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:06,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:06,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:16:06,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704556470] [2025-03-17 15:16:06,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:06,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:16:06,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:06,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:16:06,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:16:06,246 INFO L87 Difference]: Start difference. First operand 447 states and 629 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:16:06,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:06,413 INFO L93 Difference]: Finished difference Result 466 states and 637 transitions. [2025-03-17 15:16:06,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:16:06,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 58 [2025-03-17 15:16:06,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:06,415 INFO L225 Difference]: With dead ends: 466 [2025-03-17 15:16:06,415 INFO L226 Difference]: Without dead ends: 465 [2025-03-17 15:16:06,415 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:06,416 INFO L435 NwaCegarLoop]: 83 mSDtfsCounter, 193 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:06,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 266 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:06,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-03-17 15:16:06,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 447. [2025-03-17 15:16:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 351 states have (on average 1.5242165242165242) internal successors, (535), 398 states have internal predecessors, (535), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 15:16:06,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 627 transitions. [2025-03-17 15:16:06,442 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 627 transitions. Word has length 58 [2025-03-17 15:16:06,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:06,442 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 627 transitions. [2025-03-17 15:16:06,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:16:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 627 transitions. [2025-03-17 15:16:06,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-17 15:16:06,443 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:06,443 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:06,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:06,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-03-17 15:16:06,643 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:06,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:06,644 INFO L85 PathProgramCache]: Analyzing trace with hash -798394933, now seen corresponding path program 1 times [2025-03-17 15:16:06,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:06,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295062906] [2025-03-17 15:16:06,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:06,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:06,648 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:16:06,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:16:06,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:06,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:06,757 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-03-17 15:16:06,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:06,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295062906] [2025-03-17 15:16:06,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295062906] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:06,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606068451] [2025-03-17 15:16:06,758 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:06,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:06,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:06,761 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:06,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-03-17 15:16:06,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:16:06,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:16:06,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:06,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:06,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:16:06,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:06,879 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-17 15:16:06,879 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:06,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606068451] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:06,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:06,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 16 [2025-03-17 15:16:06,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814503926] [2025-03-17 15:16:06,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:06,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:16:06,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:06,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:16:06,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:16:06,880 INFO L87 Difference]: Start difference. First operand 447 states and 627 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:16:07,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:07,263 INFO L93 Difference]: Finished difference Result 501 states and 636 transitions. [2025-03-17 15:16:07,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:16:07,264 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 61 [2025-03-17 15:16:07,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:07,265 INFO L225 Difference]: With dead ends: 501 [2025-03-17 15:16:07,265 INFO L226 Difference]: Without dead ends: 500 [2025-03-17 15:16:07,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=383, Unknown=0, NotChecked=0, Total=462 [2025-03-17 15:16:07,266 INFO L435 NwaCegarLoop]: 113 mSDtfsCounter, 397 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:07,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 612 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:16:07,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2025-03-17 15:16:07,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 447. [2025-03-17 15:16:07,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 351 states have (on average 1.5213675213675213) internal successors, (534), 398 states have internal predecessors, (534), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 15:16:07,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 626 transitions. [2025-03-17 15:16:07,292 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 626 transitions. Word has length 61 [2025-03-17 15:16:07,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:07,292 INFO L471 AbstractCegarLoop]: Abstraction has 447 states and 626 transitions. [2025-03-17 15:16:07,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:16:07,293 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 626 transitions. [2025-03-17 15:16:07,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-03-17 15:16:07,293 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:07,293 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:07,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:07,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:07,498 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:07,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:07,498 INFO L85 PathProgramCache]: Analyzing trace with hash -2003584684, now seen corresponding path program 1 times [2025-03-17 15:16:07,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:07,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283345835] [2025-03-17 15:16:07,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:07,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:07,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-03-17 15:16:07,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-03-17 15:16:07,514 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:07,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:07,550 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:07,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:07,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283345835] [2025-03-17 15:16:07,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283345835] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:07,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:07,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:16:07,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005262636] [2025-03-17 15:16:07,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:07,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:16:07,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:07,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:16:07,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:16:07,552 INFO L87 Difference]: Start difference. First operand 447 states and 626 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:07,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:07,788 INFO L93 Difference]: Finished difference Result 469 states and 638 transitions. [2025-03-17 15:16:07,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:16:07,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2025-03-17 15:16:07,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:07,790 INFO L225 Difference]: With dead ends: 469 [2025-03-17 15:16:07,791 INFO L226 Difference]: Without dead ends: 467 [2025-03-17 15:16:07,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:16:07,791 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 219 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:07,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 266 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:07,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2025-03-17 15:16:07,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 449. [2025-03-17 15:16:07,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 353 states have (on average 1.5127478753541077) internal successors, (534), 400 states have internal predecessors, (534), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 15:16:07,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 626 transitions. [2025-03-17 15:16:07,818 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 626 transitions. Word has length 64 [2025-03-17 15:16:07,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:07,818 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 626 transitions. [2025-03-17 15:16:07,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:07,819 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 626 transitions. [2025-03-17 15:16:07,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-03-17 15:16:07,819 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:07,819 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:07,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-17 15:16:07,819 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:07,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:07,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1019560898, now seen corresponding path program 1 times [2025-03-17 15:16:07,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:07,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947281814] [2025-03-17 15:16:07,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:07,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:07,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-17 15:16:07,830 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-17 15:16:07,830 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:07,830 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:07,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [540435428] [2025-03-17 15:16:07,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:07,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:07,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:07,835 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:07,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-03-17 15:16:07,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-03-17 15:16:07,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-03-17 15:16:07,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:07,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:07,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:16:07,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:07,930 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-03-17 15:16:07,930 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:07,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:07,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947281814] [2025-03-17 15:16:07,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:07,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540435428] [2025-03-17 15:16:07,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540435428] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:07,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:07,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-17 15:16:07,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340193800] [2025-03-17 15:16:07,949 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:07,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:16:07,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:07,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:16:07,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:07,950 INFO L87 Difference]: Start difference. First operand 449 states and 626 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:16:08,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:08,151 INFO L93 Difference]: Finished difference Result 490 states and 638 transitions. [2025-03-17 15:16:08,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:16:08,152 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 62 [2025-03-17 15:16:08,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:08,153 INFO L225 Difference]: With dead ends: 490 [2025-03-17 15:16:08,153 INFO L226 Difference]: Without dead ends: 489 [2025-03-17 15:16:08,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:16:08,154 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 346 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:08,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 310 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:08,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2025-03-17 15:16:08,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 449. [2025-03-17 15:16:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 353 states have (on average 1.5042492917847026) internal successors, (531), 400 states have internal predecessors, (531), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 15:16:08,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 623 transitions. [2025-03-17 15:16:08,179 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 623 transitions. Word has length 62 [2025-03-17 15:16:08,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:08,179 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 623 transitions. [2025-03-17 15:16:08,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-03-17 15:16:08,179 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 623 transitions. [2025-03-17 15:16:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-03-17 15:16:08,179 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:08,180 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:08,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:08,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:08,380 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:08,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:08,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1981583025, now seen corresponding path program 1 times [2025-03-17 15:16:08,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:08,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853442703] [2025-03-17 15:16:08,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:08,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:08,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-03-17 15:16:08,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-03-17 15:16:08,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:08,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:08,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:08,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853442703] [2025-03-17 15:16:08,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853442703] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:08,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:08,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:16:08,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717142908] [2025-03-17 15:16:08,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:08,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:16:08,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:08,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:16:08,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:16:08,434 INFO L87 Difference]: Start difference. First operand 449 states and 623 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:08,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:08,665 INFO L93 Difference]: Finished difference Result 478 states and 631 transitions. [2025-03-17 15:16:08,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:16:08,665 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 65 [2025-03-17 15:16:08,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:08,667 INFO L225 Difference]: With dead ends: 478 [2025-03-17 15:16:08,667 INFO L226 Difference]: Without dead ends: 476 [2025-03-17 15:16:08,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:16:08,667 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 298 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:08,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 392 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:08,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2025-03-17 15:16:08,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 449. [2025-03-17 15:16:08,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 353 states have (on average 1.498583569405099) internal successors, (529), 400 states have internal predecessors, (529), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-03-17 15:16:08,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 621 transitions. [2025-03-17 15:16:08,693 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 621 transitions. Word has length 65 [2025-03-17 15:16:08,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:08,693 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 621 transitions. [2025-03-17 15:16:08,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 621 transitions. [2025-03-17 15:16:08,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-17 15:16:08,694 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:08,694 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:08,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2025-03-17 15:16:08,694 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:08,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:08,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1630773851, now seen corresponding path program 1 times [2025-03-17 15:16:08,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:08,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609567270] [2025-03-17 15:16:08,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:08,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:08,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-03-17 15:16:08,704 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-03-17 15:16:08,705 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:08,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:08,728 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:08,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:08,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609567270] [2025-03-17 15:16:08,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609567270] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:08,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:08,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:16:08,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874980470] [2025-03-17 15:16:08,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:08,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:16:08,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:08,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:16:08,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:16:08,730 INFO L87 Difference]: Start difference. First operand 449 states and 621 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:08,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:08,797 INFO L93 Difference]: Finished difference Result 629 states and 898 transitions. [2025-03-17 15:16:08,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:16:08,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 67 [2025-03-17 15:16:08,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:08,799 INFO L225 Difference]: With dead ends: 629 [2025-03-17 15:16:08,799 INFO L226 Difference]: Without dead ends: 628 [2025-03-17 15:16:08,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:16:08,799 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 22 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:08,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 215 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:16:08,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2025-03-17 15:16:08,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 582. [2025-03-17 15:16:08,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 464 states have (on average 1.5064655172413792) internal successors, (699), 511 states have internal predecessors, (699), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-03-17 15:16:08,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 835 transitions. [2025-03-17 15:16:08,838 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 835 transitions. Word has length 67 [2025-03-17 15:16:08,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:08,840 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 835 transitions. [2025-03-17 15:16:08,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:08,840 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 835 transitions. [2025-03-17 15:16:08,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 15:16:08,841 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:08,841 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:08,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2025-03-17 15:16:08,841 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:08,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:08,841 INFO L85 PathProgramCache]: Analyzing trace with hash 985618192, now seen corresponding path program 1 times [2025-03-17 15:16:08,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:08,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919352310] [2025-03-17 15:16:08,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:08,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:08,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 15:16:08,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 15:16:08,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:08,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:08,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:08,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919352310] [2025-03-17 15:16:08,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919352310] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:08,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:08,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:16:08,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812748100] [2025-03-17 15:16:08,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:08,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:16:08,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:08,888 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:16:08,888 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:16:08,888 INFO L87 Difference]: Start difference. First operand 582 states and 835 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:09,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:09,090 INFO L93 Difference]: Finished difference Result 598 states and 835 transitions. [2025-03-17 15:16:09,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:16:09,091 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 68 [2025-03-17 15:16:09,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:09,092 INFO L225 Difference]: With dead ends: 598 [2025-03-17 15:16:09,092 INFO L226 Difference]: Without dead ends: 597 [2025-03-17 15:16:09,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:16:09,093 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 197 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:09,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 338 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:09,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2025-03-17 15:16:09,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 582. [2025-03-17 15:16:09,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 464 states have (on average 1.5043103448275863) internal successors, (698), 511 states have internal predecessors, (698), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-03-17 15:16:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 834 transitions. [2025-03-17 15:16:09,129 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 834 transitions. Word has length 68 [2025-03-17 15:16:09,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:09,129 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 834 transitions. [2025-03-17 15:16:09,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:09,129 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 834 transitions. [2025-03-17 15:16:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-17 15:16:09,130 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:09,130 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:09,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2025-03-17 15:16:09,130 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:09,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:09,130 INFO L85 PathProgramCache]: Analyzing trace with hash 489392899, now seen corresponding path program 1 times [2025-03-17 15:16:09,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:09,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236183673] [2025-03-17 15:16:09,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:09,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:09,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 15:16:09,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 15:16:09,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:09,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:09,163 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:09,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:09,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236183673] [2025-03-17 15:16:09,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236183673] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:09,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:09,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:16:09,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386558070] [2025-03-17 15:16:09,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:09,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:16:09,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:09,164 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:16:09,164 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:16:09,164 INFO L87 Difference]: Start difference. First operand 582 states and 834 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:09,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:09,301 INFO L93 Difference]: Finished difference Result 657 states and 904 transitions. [2025-03-17 15:16:09,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:16:09,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 69 [2025-03-17 15:16:09,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:09,303 INFO L225 Difference]: With dead ends: 657 [2025-03-17 15:16:09,303 INFO L226 Difference]: Without dead ends: 653 [2025-03-17 15:16:09,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:16:09,304 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 95 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:09,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 245 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:09,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 653 states. [2025-03-17 15:16:09,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 653 to 604. [2025-03-17 15:16:09,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 604 states, 486 states have (on average 1.4876543209876543) internal successors, (723), 533 states have internal predecessors, (723), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-03-17 15:16:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 604 states and 859 transitions. [2025-03-17 15:16:09,340 INFO L78 Accepts]: Start accepts. Automaton has 604 states and 859 transitions. Word has length 69 [2025-03-17 15:16:09,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:09,340 INFO L471 AbstractCegarLoop]: Abstraction has 604 states and 859 transitions. [2025-03-17 15:16:09,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:09,340 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 859 transitions. [2025-03-17 15:16:09,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 15:16:09,341 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:09,341 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:09,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-03-17 15:16:09,341 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:09,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:09,341 INFO L85 PathProgramCache]: Analyzing trace with hash -291572487, now seen corresponding path program 1 times [2025-03-17 15:16:09,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:09,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122484780] [2025-03-17 15:16:09,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:09,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:09,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 15:16:09,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 15:16:09,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:09,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:09,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1169161800] [2025-03-17 15:16:09,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:09,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:09,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:09,352 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:09,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-03-17 15:16:09,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 15:16:09,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 15:16:09,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:09,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:09,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:16:09,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:16:09,455 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:09,539 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:16:09,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:09,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122484780] [2025-03-17 15:16:09,539 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:09,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169161800] [2025-03-17 15:16:09,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169161800] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:09,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:16:09,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-17 15:16:09,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868812556] [2025-03-17 15:16:09,539 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:09,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:16:09,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:09,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:16:09,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:16:09,540 INFO L87 Difference]: Start difference. First operand 604 states and 859 transitions. Second operand has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-03-17 15:16:10,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:10,152 INFO L93 Difference]: Finished difference Result 888 states and 1204 transitions. [2025-03-17 15:16:10,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 15:16:10,152 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 68 [2025-03-17 15:16:10,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:10,155 INFO L225 Difference]: With dead ends: 888 [2025-03-17 15:16:10,155 INFO L226 Difference]: Without dead ends: 885 [2025-03-17 15:16:10,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=416, Unknown=0, NotChecked=0, Total=600 [2025-03-17 15:16:10,155 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 862 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:10,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 667 Invalid, 785 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:16:10,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2025-03-17 15:16:10,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 650. [2025-03-17 15:16:10,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 650 states, 526 states have (on average 1.461977186311787) internal successors, (769), 573 states have internal predecessors, (769), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2025-03-17 15:16:10,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 917 transitions. [2025-03-17 15:16:10,199 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 917 transitions. Word has length 68 [2025-03-17 15:16:10,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:10,199 INFO L471 AbstractCegarLoop]: Abstraction has 650 states and 917 transitions. [2025-03-17 15:16:10,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.545454545454546) internal successors, (72), 12 states have internal predecessors, (72), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2025-03-17 15:16:10,199 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 917 transitions. [2025-03-17 15:16:10,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-03-17 15:16:10,200 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:10,200 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:10,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:10,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-03-17 15:16:10,400 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:10,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:10,401 INFO L85 PathProgramCache]: Analyzing trace with hash -448812465, now seen corresponding path program 1 times [2025-03-17 15:16:10,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:10,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424859105] [2025-03-17 15:16:10,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:10,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:10,403 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 15:16:10,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 15:16:10,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:10,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:10,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2034065691] [2025-03-17 15:16:10,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:10,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:10,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:10,410 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:10,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-03-17 15:16:10,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-03-17 15:16:10,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-03-17 15:16:10,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:10,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:10,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:16:10,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-03-17 15:16:10,517 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:10,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:10,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424859105] [2025-03-17 15:16:10,517 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:10,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034065691] [2025-03-17 15:16:10,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034065691] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:10,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:10,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:16:10,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083226310] [2025-03-17 15:16:10,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:10,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:16:10,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:10,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:16:10,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:10,518 INFO L87 Difference]: Start difference. First operand 650 states and 917 transitions. Second operand has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:16:10,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:10,776 INFO L93 Difference]: Finished difference Result 688 states and 943 transitions. [2025-03-17 15:16:10,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:16:10,776 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 69 [2025-03-17 15:16:10,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:10,778 INFO L225 Difference]: With dead ends: 688 [2025-03-17 15:16:10,778 INFO L226 Difference]: Without dead ends: 685 [2025-03-17 15:16:10,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:16:10,778 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 284 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:10,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 318 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:10,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2025-03-17 15:16:10,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 654. [2025-03-17 15:16:10,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 654 states, 530 states have (on average 1.4471698113207547) internal successors, (767), 577 states have internal predecessors, (767), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2025-03-17 15:16:10,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 915 transitions. [2025-03-17 15:16:10,820 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 915 transitions. Word has length 69 [2025-03-17 15:16:10,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:10,820 INFO L471 AbstractCegarLoop]: Abstraction has 654 states and 915 transitions. [2025-03-17 15:16:10,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-03-17 15:16:10,820 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 915 transitions. [2025-03-17 15:16:10,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-17 15:16:10,820 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:10,820 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:10,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:11,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:11,022 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:11,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:11,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1365652411, now seen corresponding path program 1 times [2025-03-17 15:16:11,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:11,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959105602] [2025-03-17 15:16:11,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:11,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:11,025 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-17 15:16:11,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-17 15:16:11,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:11,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:11,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:11,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959105602] [2025-03-17 15:16:11,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959105602] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:11,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131385217] [2025-03-17 15:16:11,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:11,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:11,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:11,074 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:11,075 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-03-17 15:16:11,094 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-17 15:16:11,107 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-17 15:16:11,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:11,107 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:11,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:16:11,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:11,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:11,223 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:11,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131385217] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:11,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:16:11,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-03-17 15:16:11,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592239777] [2025-03-17 15:16:11,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:11,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:16:11,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:11,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:16:11,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:16:11,225 INFO L87 Difference]: Start difference. First operand 654 states and 915 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-17 15:16:11,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:11,747 INFO L93 Difference]: Finished difference Result 897 states and 1202 transitions. [2025-03-17 15:16:11,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-03-17 15:16:11,747 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 75 [2025-03-17 15:16:11,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:11,750 INFO L225 Difference]: With dead ends: 897 [2025-03-17 15:16:11,750 INFO L226 Difference]: Without dead ends: 895 [2025-03-17 15:16:11,750 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=169, Invalid=383, Unknown=0, NotChecked=0, Total=552 [2025-03-17 15:16:11,750 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 992 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 996 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:11,751 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [996 Valid, 585 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 569 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:16:11,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2025-03-17 15:16:11,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 657. [2025-03-17 15:16:11,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 532 states have (on average 1.4266917293233083) internal successors, (759), 578 states have internal predecessors, (759), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:11,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 911 transitions. [2025-03-17 15:16:11,809 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 911 transitions. Word has length 75 [2025-03-17 15:16:11,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:11,809 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 911 transitions. [2025-03-17 15:16:11,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 12 states have internal predecessors, (76), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-17 15:16:11,809 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 911 transitions. [2025-03-17 15:16:11,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-17 15:16:11,810 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:11,810 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:11,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:12,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-03-17 15:16:12,010 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:12,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:12,011 INFO L85 PathProgramCache]: Analyzing trace with hash 614448254, now seen corresponding path program 1 times [2025-03-17 15:16:12,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:12,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862385135] [2025-03-17 15:16:12,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:12,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:12,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-17 15:16:12,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-17 15:16:12,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:12,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:12,055 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:12,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:12,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862385135] [2025-03-17 15:16:12,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862385135] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:12,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:12,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:16:12,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558244349] [2025-03-17 15:16:12,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:12,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:16:12,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:12,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:16:12,056 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:12,056 INFO L87 Difference]: Start difference. First operand 657 states and 911 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:12,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:12,348 INFO L93 Difference]: Finished difference Result 693 states and 929 transitions. [2025-03-17 15:16:12,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:16:12,348 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 76 [2025-03-17 15:16:12,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:12,350 INFO L225 Difference]: With dead ends: 693 [2025-03-17 15:16:12,350 INFO L226 Difference]: Without dead ends: 691 [2025-03-17 15:16:12,351 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:16:12,351 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 259 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:12,351 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 396 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:12,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2025-03-17 15:16:12,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 665. [2025-03-17 15:16:12,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 540 states have (on average 1.4055555555555554) internal successors, (759), 586 states have internal predecessors, (759), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:12,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 911 transitions. [2025-03-17 15:16:12,394 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 911 transitions. Word has length 76 [2025-03-17 15:16:12,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:12,394 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 911 transitions. [2025-03-17 15:16:12,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:12,395 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 911 transitions. [2025-03-17 15:16:12,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-17 15:16:12,395 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:12,395 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:12,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2025-03-17 15:16:12,395 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:12,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:12,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1713569885, now seen corresponding path program 1 times [2025-03-17 15:16:12,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:12,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907526711] [2025-03-17 15:16:12,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:12,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:12,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 15:16:12,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 15:16:12,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:12,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:12,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [245592655] [2025-03-17 15:16:12,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:12,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:12,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:12,406 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:12,407 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-03-17 15:16:12,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 15:16:12,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 15:16:12,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:12,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:12,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:16:12,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:12,551 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:12,551 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:12,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:12,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907526711] [2025-03-17 15:16:12,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:12,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245592655] [2025-03-17 15:16:12,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [245592655] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:12,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:12,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:16:12,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833035277] [2025-03-17 15:16:12,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:12,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:16:12,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:12,552 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:16:12,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:16:12,552 INFO L87 Difference]: Start difference. First operand 665 states and 911 transitions. Second operand has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:12,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:12,704 INFO L93 Difference]: Finished difference Result 690 states and 918 transitions. [2025-03-17 15:16:12,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:16:12,704 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 77 [2025-03-17 15:16:12,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:12,706 INFO L225 Difference]: With dead ends: 690 [2025-03-17 15:16:12,706 INFO L226 Difference]: Without dead ends: 687 [2025-03-17 15:16:12,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:12,706 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 86 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:12,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 258 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:12,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2025-03-17 15:16:12,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 665. [2025-03-17 15:16:12,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 540 states have (on average 1.3981481481481481) internal successors, (755), 586 states have internal predecessors, (755), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:12,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 907 transitions. [2025-03-17 15:16:12,750 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 907 transitions. Word has length 77 [2025-03-17 15:16:12,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:12,750 INFO L471 AbstractCegarLoop]: Abstraction has 665 states and 907 transitions. [2025-03-17 15:16:12,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.6) internal successors, (43), 6 states have internal predecessors, (43), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:12,750 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 907 transitions. [2025-03-17 15:16:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-03-17 15:16:12,750 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:12,750 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:12,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-03-17 15:16:12,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:12,951 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:12,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:12,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1581058887, now seen corresponding path program 1 times [2025-03-17 15:16:12,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:12,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992480336] [2025-03-17 15:16:12,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:12,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:12,954 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 15:16:12,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 15:16:12,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:12,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:12,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [554216354] [2025-03-17 15:16:12,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:12,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:12,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:12,961 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:12,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-03-17 15:16:12,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-03-17 15:16:12,994 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-03-17 15:16:12,994 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:12,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:12,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:16:12,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:13,124 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:13,124 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:13,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:13,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992480336] [2025-03-17 15:16:13,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:13,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [554216354] [2025-03-17 15:16:13,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [554216354] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:13,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:13,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-17 15:16:13,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833677468] [2025-03-17 15:16:13,249 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:13,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:16:13,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:13,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:16:13,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:16:13,249 INFO L87 Difference]: Start difference. First operand 665 states and 907 transitions. Second operand has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:13,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:13,424 INFO L93 Difference]: Finished difference Result 766 states and 1014 transitions. [2025-03-17 15:16:13,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:16:13,425 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 78 [2025-03-17 15:16:13,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:13,426 INFO L225 Difference]: With dead ends: 766 [2025-03-17 15:16:13,427 INFO L226 Difference]: Without dead ends: 765 [2025-03-17 15:16:13,427 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:16:13,427 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 233 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:13,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 286 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:13,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2025-03-17 15:16:13,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 673. [2025-03-17 15:16:13,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 548 states have (on average 1.3941605839416058) internal successors, (764), 594 states have internal predecessors, (764), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:13,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 916 transitions. [2025-03-17 15:16:13,472 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 916 transitions. Word has length 78 [2025-03-17 15:16:13,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:13,472 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 916 transitions. [2025-03-17 15:16:13,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.8) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:13,473 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 916 transitions. [2025-03-17 15:16:13,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 15:16:13,473 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:13,473 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:13,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:13,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-03-17 15:16:13,673 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:13,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:13,674 INFO L85 PathProgramCache]: Analyzing trace with hash -122648191, now seen corresponding path program 1 times [2025-03-17 15:16:13,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:13,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671979150] [2025-03-17 15:16:13,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:13,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:13,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 15:16:13,680 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 15:16:13,680 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:13,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:13,729 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:13,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:13,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671979150] [2025-03-17 15:16:13,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671979150] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:13,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404457907] [2025-03-17 15:16:13,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:13,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:13,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:13,731 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:13,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-03-17 15:16:13,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 15:16:13,767 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 15:16:13,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:13,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:13,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:16:13,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:13,831 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:13,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:13,948 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:13,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404457907] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:13,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:16:13,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 15 [2025-03-17 15:16:13,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265226169] [2025-03-17 15:16:13,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:13,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-17 15:16:13,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:13,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-17 15:16:13,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:16:13,949 INFO L87 Difference]: Start difference. First operand 673 states and 916 transitions. Second operand has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 16 states have internal predecessors, (121), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-03-17 15:16:14,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:14,397 INFO L93 Difference]: Finished difference Result 693 states and 923 transitions. [2025-03-17 15:16:14,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-03-17 15:16:14,397 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 16 states have internal predecessors, (121), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 79 [2025-03-17 15:16:14,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:14,399 INFO L225 Difference]: With dead ends: 693 [2025-03-17 15:16:14,399 INFO L226 Difference]: Without dead ends: 690 [2025-03-17 15:16:14,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=404, Invalid=1002, Unknown=0, NotChecked=0, Total=1406 [2025-03-17 15:16:14,400 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 829 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 829 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:14,400 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [829 Valid, 285 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:14,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2025-03-17 15:16:14,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 663. [2025-03-17 15:16:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 540 states have (on average 1.374074074074074) internal successors, (742), 584 states have internal predecessors, (742), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 894 transitions. [2025-03-17 15:16:14,446 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 894 transitions. Word has length 79 [2025-03-17 15:16:14,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:14,446 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 894 transitions. [2025-03-17 15:16:14,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.066666666666666) internal successors, (121), 16 states have internal predecessors, (121), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-03-17 15:16:14,446 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 894 transitions. [2025-03-17 15:16:14,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-03-17 15:16:14,447 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:14,447 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:14,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:14,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-03-17 15:16:14,647 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:14,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:14,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1020832315, now seen corresponding path program 1 times [2025-03-17 15:16:14,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:14,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141576567] [2025-03-17 15:16:14,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:14,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:14,650 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 15:16:14,656 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 15:16:14,656 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:14,656 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:14,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [724281592] [2025-03-17 15:16:14,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:14,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:14,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:14,659 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:14,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-03-17 15:16:14,683 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-03-17 15:16:14,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-03-17 15:16:14,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:14,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:14,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:16:14,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:14,860 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:14,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:14,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141576567] [2025-03-17 15:16:14,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:14,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724281592] [2025-03-17 15:16:14,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724281592] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:14,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:14,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-17 15:16:14,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387908563] [2025-03-17 15:16:14,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:14,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:16:14,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:14,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:16:14,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:16:14,861 INFO L87 Difference]: Start difference. First operand 663 states and 894 transitions. Second operand has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:15,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:15,118 INFO L93 Difference]: Finished difference Result 685 states and 900 transitions. [2025-03-17 15:16:15,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:16:15,118 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 80 [2025-03-17 15:16:15,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:15,120 INFO L225 Difference]: With dead ends: 685 [2025-03-17 15:16:15,120 INFO L226 Difference]: Without dead ends: 684 [2025-03-17 15:16:15,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:16:15,120 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 65 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:15,120 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 392 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:16:15,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2025-03-17 15:16:15,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 663. [2025-03-17 15:16:15,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 540 states have (on average 1.3722222222222222) internal successors, (741), 584 states have internal predecessors, (741), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 893 transitions. [2025-03-17 15:16:15,171 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 893 transitions. Word has length 80 [2025-03-17 15:16:15,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:15,171 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 893 transitions. [2025-03-17 15:16:15,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:15,171 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 893 transitions. [2025-03-17 15:16:15,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-17 15:16:15,172 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:15,172 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:15,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:15,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2025-03-17 15:16:15,372 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:15,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:15,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1703745008, now seen corresponding path program 1 times [2025-03-17 15:16:15,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:15,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127841158] [2025-03-17 15:16:15,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:15,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:15,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-17 15:16:15,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-17 15:16:15,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:15,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:15,462 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:16:15,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:15,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127841158] [2025-03-17 15:16:15,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127841158] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:15,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64925390] [2025-03-17 15:16:15,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:15,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:15,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:15,465 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:15,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-03-17 15:16:15,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-17 15:16:15,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-17 15:16:15,502 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:15,502 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:15,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:16:15,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:15,634 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:16:15,635 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:15,743 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:16:15,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64925390] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:15,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:16:15,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2025-03-17 15:16:15,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666965959] [2025-03-17 15:16:15,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:15,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-17 15:16:15,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:15,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-17 15:16:15,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:16:15,744 INFO L87 Difference]: Start difference. First operand 663 states and 893 transitions. Second operand has 16 states, 16 states have (on average 5.5625) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-03-17 15:16:16,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:16,336 INFO L93 Difference]: Finished difference Result 1044 states and 1382 transitions. [2025-03-17 15:16:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-03-17 15:16:16,336 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 5.5625) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 84 [2025-03-17 15:16:16,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:16,338 INFO L225 Difference]: With dead ends: 1044 [2025-03-17 15:16:16,338 INFO L226 Difference]: Without dead ends: 691 [2025-03-17 15:16:16,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 157 SyntacticMatches, 5 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=595, Unknown=0, NotChecked=0, Total=756 [2025-03-17 15:16:16,339 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 494 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:16,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 773 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:16:16,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2025-03-17 15:16:16,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 651. [2025-03-17 15:16:16,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 528 states have (on average 1.375) internal successors, (726), 572 states have internal predecessors, (726), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:16,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 878 transitions. [2025-03-17 15:16:16,385 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 878 transitions. Word has length 84 [2025-03-17 15:16:16,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:16,385 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 878 transitions. [2025-03-17 15:16:16,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 5.5625) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-03-17 15:16:16,385 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 878 transitions. [2025-03-17 15:16:16,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-17 15:16:16,385 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:16,385 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:16,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2025-03-17 15:16:16,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2025-03-17 15:16:16,586 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:16,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:16,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1130486633, now seen corresponding path program 1 times [2025-03-17 15:16:16,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:16,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361586422] [2025-03-17 15:16:16,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:16,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:16,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 15:16:16,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 15:16:16,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:16,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:16,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1823959844] [2025-03-17 15:16:16,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:16,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:16,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:16,596 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:16,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-03-17 15:16:16,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 15:16:16,630 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 15:16:16,630 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:16,630 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:16,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-03-17 15:16:16,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:16,913 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:16:16,913 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:17,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:17,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361586422] [2025-03-17 15:16:17,084 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:17,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823959844] [2025-03-17 15:16:17,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1823959844] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:17,084 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:17,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:16:17,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329341618] [2025-03-17 15:16:17,084 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:17,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:16:17,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:17,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:16:17,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:16:17,085 INFO L87 Difference]: Start difference. First operand 651 states and 878 transitions. Second operand has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:17,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:17,848 INFO L93 Difference]: Finished difference Result 879 states and 1166 transitions. [2025-03-17 15:16:17,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 15:16:17,848 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 86 [2025-03-17 15:16:17,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:17,851 INFO L225 Difference]: With dead ends: 879 [2025-03-17 15:16:17,851 INFO L226 Difference]: Without dead ends: 877 [2025-03-17 15:16:17,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2025-03-17 15:16:17,851 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 598 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 989 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 989 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:17,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 484 Invalid, 1038 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 989 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:16:17,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2025-03-17 15:16:17,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 660. [2025-03-17 15:16:17,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 537 states have (on average 1.3705772811918064) internal successors, (736), 581 states have internal predecessors, (736), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:17,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 888 transitions. [2025-03-17 15:16:17,902 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 888 transitions. Word has length 86 [2025-03-17 15:16:17,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:17,902 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 888 transitions. [2025-03-17 15:16:17,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:17,902 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 888 transitions. [2025-03-17 15:16:17,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-03-17 15:16:17,903 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:17,903 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:17,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:18,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-03-17 15:16:18,103 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:18,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:18,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1094822939, now seen corresponding path program 1 times [2025-03-17 15:16:18,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:18,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301040668] [2025-03-17 15:16:18,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:18,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:18,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-17 15:16:18,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-17 15:16:18,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:18,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:18,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1550208757] [2025-03-17 15:16:18,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:18,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:18,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:18,113 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:18,115 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2025-03-17 15:16:18,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-03-17 15:16:18,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-03-17 15:16:18,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:18,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:18,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-17 15:16:18,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:18,447 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:18,447 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:18,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:18,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301040668] [2025-03-17 15:16:18,594 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:18,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550208757] [2025-03-17 15:16:18,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550208757] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:18,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:18,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:16:18,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588556892] [2025-03-17 15:16:18,594 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:18,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:16:18,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:18,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:16:18,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:16:18,594 INFO L87 Difference]: Start difference. First operand 660 states and 888 transitions. Second operand has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:19,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:19,303 INFO L93 Difference]: Finished difference Result 875 states and 1164 transitions. [2025-03-17 15:16:19,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:16:19,304 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 90 [2025-03-17 15:16:19,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:19,306 INFO L225 Difference]: With dead ends: 875 [2025-03-17 15:16:19,306 INFO L226 Difference]: Without dead ends: 873 [2025-03-17 15:16:19,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:16:19,306 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 279 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 1244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:19,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 546 Invalid, 1244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:16:19,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2025-03-17 15:16:19,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 664. [2025-03-17 15:16:19,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 664 states, 541 states have (on average 1.3678373382624769) internal successors, (740), 585 states have internal predecessors, (740), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:19,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 892 transitions. [2025-03-17 15:16:19,357 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 892 transitions. Word has length 90 [2025-03-17 15:16:19,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:19,357 INFO L471 AbstractCegarLoop]: Abstraction has 664 states and 892 transitions. [2025-03-17 15:16:19,357 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:16:19,357 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 892 transitions. [2025-03-17 15:16:19,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-17 15:16:19,358 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:19,358 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:19,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:19,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:19,562 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:19,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:19,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1705948722, now seen corresponding path program 1 times [2025-03-17 15:16:19,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:19,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108541400] [2025-03-17 15:16:19,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:19,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:19,565 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 15:16:19,567 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 15:16:19,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:19,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:19,596 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-17 15:16:19,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:19,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108541400] [2025-03-17 15:16:19,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108541400] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:19,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:19,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:16:19,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461155522] [2025-03-17 15:16:19,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:19,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:16:19,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:19,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:16:19,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:16:19,598 INFO L87 Difference]: Start difference. First operand 664 states and 892 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-17 15:16:19,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:19,762 INFO L93 Difference]: Finished difference Result 1182 states and 1596 transitions. [2025-03-17 15:16:19,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:16:19,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 94 [2025-03-17 15:16:19,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:19,764 INFO L225 Difference]: With dead ends: 1182 [2025-03-17 15:16:19,767 INFO L226 Difference]: Without dead ends: 704 [2025-03-17 15:16:19,768 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:16:19,768 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 19 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:19,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 389 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:19,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2025-03-17 15:16:19,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 670. [2025-03-17 15:16:19,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 547 states have (on average 1.3674588665447898) internal successors, (748), 591 states have internal predecessors, (748), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:19,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 900 transitions. [2025-03-17 15:16:19,820 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 900 transitions. Word has length 94 [2025-03-17 15:16:19,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:19,820 INFO L471 AbstractCegarLoop]: Abstraction has 670 states and 900 transitions. [2025-03-17 15:16:19,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-03-17 15:16:19,820 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 900 transitions. [2025-03-17 15:16:19,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-03-17 15:16:19,821 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:19,822 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:19,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2025-03-17 15:16:19,822 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:19,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:19,822 INFO L85 PathProgramCache]: Analyzing trace with hash 142142499, now seen corresponding path program 1 times [2025-03-17 15:16:19,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:19,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276030780] [2025-03-17 15:16:19,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:19,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:19,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-17 15:16:19,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-17 15:16:19,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:19,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:19,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [914882133] [2025-03-17 15:16:19,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:19,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:19,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:19,835 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:19,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2025-03-17 15:16:19,857 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-03-17 15:16:19,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-03-17 15:16:19,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:19,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:19,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-17 15:16:19,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:16:20,283 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:24,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:24,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276030780] [2025-03-17 15:16:24,523 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:24,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914882133] [2025-03-17 15:16:24,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914882133] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:24,523 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:24,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:16:24,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762276815] [2025-03-17 15:16:24,523 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:24,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:16:24,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:24,524 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:16:24,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=211, Unknown=1, NotChecked=0, Total=272 [2025-03-17 15:16:24,524 INFO L87 Difference]: Start difference. First operand 670 states and 900 transitions. Second operand has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:25,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:25,165 INFO L93 Difference]: Finished difference Result 838 states and 1110 transitions. [2025-03-17 15:16:25,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 15:16:25,166 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 92 [2025-03-17 15:16:25,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:25,168 INFO L225 Difference]: With dead ends: 838 [2025-03-17 15:16:25,168 INFO L226 Difference]: Without dead ends: 836 [2025-03-17 15:16:25,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=116, Invalid=345, Unknown=1, NotChecked=0, Total=462 [2025-03-17 15:16:25,168 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 345 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:25,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 611 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:16:25,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2025-03-17 15:16:25,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 682. [2025-03-17 15:16:25,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 682 states, 558 states have (on average 1.3602150537634408) internal successors, (759), 602 states have internal predecessors, (759), 77 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-03-17 15:16:25,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 913 transitions. [2025-03-17 15:16:25,233 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 913 transitions. Word has length 92 [2025-03-17 15:16:25,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:25,233 INFO L471 AbstractCegarLoop]: Abstraction has 682 states and 913 transitions. [2025-03-17 15:16:25,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:25,233 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 913 transitions. [2025-03-17 15:16:25,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-17 15:16:25,233 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:25,233 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:25,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:25,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2025-03-17 15:16:25,434 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:25,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:25,435 INFO L85 PathProgramCache]: Analyzing trace with hash 111450149, now seen corresponding path program 1 times [2025-03-17 15:16:25,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:25,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249718333] [2025-03-17 15:16:25,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:25,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:25,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 15:16:25,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 15:16:25,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:25,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:25,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [173428730] [2025-03-17 15:16:25,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:25,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:25,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:25,445 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:25,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2025-03-17 15:16:25,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-03-17 15:16:25,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-03-17 15:16:25,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:25,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:25,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-17 15:16:25,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:16:25,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:30,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:30,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249718333] [2025-03-17 15:16:30,624 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:30,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [173428730] [2025-03-17 15:16:30,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [173428730] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:30,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:30,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-03-17 15:16:30,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921605967] [2025-03-17 15:16:30,624 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:30,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:16:30,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:30,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:16:30,625 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=214, Unknown=2, NotChecked=0, Total=272 [2025-03-17 15:16:30,625 INFO L87 Difference]: Start difference. First operand 682 states and 913 transitions. Second operand has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:31,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:31,347 INFO L93 Difference]: Finished difference Result 840 states and 1110 transitions. [2025-03-17 15:16:31,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 15:16:31,348 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 93 [2025-03-17 15:16:31,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:31,350 INFO L225 Difference]: With dead ends: 840 [2025-03-17 15:16:31,350 INFO L226 Difference]: Without dead ends: 838 [2025-03-17 15:16:31,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=97, Invalid=321, Unknown=2, NotChecked=0, Total=420 [2025-03-17 15:16:31,350 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 271 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:31,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 727 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1155 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:16:31,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2025-03-17 15:16:31,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 684. [2025-03-17 15:16:31,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 560 states have (on average 1.3589285714285715) internal successors, (761), 604 states have internal predecessors, (761), 77 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-03-17 15:16:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 915 transitions. [2025-03-17 15:16:31,404 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 915 transitions. Word has length 93 [2025-03-17 15:16:31,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:31,404 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 915 transitions. [2025-03-17 15:16:31,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.636363636363637) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-03-17 15:16:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 915 transitions. [2025-03-17 15:16:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2025-03-17 15:16:31,405 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:31,405 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:31,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:31,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:31,605 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:31,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:31,605 INFO L85 PathProgramCache]: Analyzing trace with hash -840012703, now seen corresponding path program 1 times [2025-03-17 15:16:31,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:31,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936719642] [2025-03-17 15:16:31,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:31,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:31,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 15:16:31,613 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 15:16:31,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:31,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:31,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1466758802] [2025-03-17 15:16:31,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:31,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:31,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:31,616 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:31,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2025-03-17 15:16:31,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-03-17 15:16:31,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-03-17 15:16:31,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:31,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:31,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 43 conjuncts are in the unsatisfiable core [2025-03-17 15:16:31,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:32,399 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:32,399 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:32,964 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:32,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:32,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936719642] [2025-03-17 15:16:32,964 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:32,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466758802] [2025-03-17 15:16:32,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466758802] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:32,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:16:32,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-03-17 15:16:32,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557610589] [2025-03-17 15:16:32,964 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:32,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-17 15:16:32,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:32,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-17 15:16:32,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2025-03-17 15:16:32,965 INFO L87 Difference]: Start difference. First operand 684 states and 915 transitions. Second operand has 22 states, 21 states have (on average 5.333333333333333) internal successors, (112), 22 states have internal predecessors, (112), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:16:40,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:40,071 INFO L93 Difference]: Finished difference Result 857 states and 1125 transitions. [2025-03-17 15:16:40,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-03-17 15:16:40,072 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 5.333333333333333) internal successors, (112), 22 states have internal predecessors, (112), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 94 [2025-03-17 15:16:40,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:40,073 INFO L225 Difference]: With dead ends: 857 [2025-03-17 15:16:40,073 INFO L226 Difference]: Without dead ends: 856 [2025-03-17 15:16:40,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 416 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=489, Invalid=1863, Unknown=0, NotChecked=0, Total=2352 [2025-03-17 15:16:40,074 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 861 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 2693 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 2825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 2693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:40,074 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 533 Invalid, 2825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 2693 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2025-03-17 15:16:40,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2025-03-17 15:16:40,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 685. [2025-03-17 15:16:40,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 561 states have (on average 1.358288770053476) internal successors, (762), 605 states have internal predecessors, (762), 77 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-03-17 15:16:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 916 transitions. [2025-03-17 15:16:40,145 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 916 transitions. Word has length 94 [2025-03-17 15:16:40,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:40,145 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 916 transitions. [2025-03-17 15:16:40,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 5.333333333333333) internal successors, (112), 22 states have internal predecessors, (112), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:16:40,145 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 916 transitions. [2025-03-17 15:16:40,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-03-17 15:16:40,146 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:40,146 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:40,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:40,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2025-03-17 15:16:40,346 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:40,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:40,347 INFO L85 PathProgramCache]: Analyzing trace with hash -270590045, now seen corresponding path program 1 times [2025-03-17 15:16:40,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:40,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625709992] [2025-03-17 15:16:40,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:40,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:40,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-17 15:16:40,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-17 15:16:40,356 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:40,356 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:40,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1713742751] [2025-03-17 15:16:40,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:40,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:40,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:40,358 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:40,360 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2025-03-17 15:16:40,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-03-17 15:16:40,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-03-17 15:16:40,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:40,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:40,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-03-17 15:16:40,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:41,101 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:41,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:42,458 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-03-17 15:16:42,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:42,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625709992] [2025-03-17 15:16:42,458 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:42,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713742751] [2025-03-17 15:16:42,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713742751] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:42,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:16:42,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-03-17 15:16:42,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476575653] [2025-03-17 15:16:42,459 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:42,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-17 15:16:42,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:42,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-17 15:16:42,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2025-03-17 15:16:42,459 INFO L87 Difference]: Start difference. First operand 685 states and 916 transitions. Second operand has 22 states, 21 states have (on average 5.428571428571429) internal successors, (114), 22 states have internal predecessors, (114), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:16:51,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:51,359 INFO L93 Difference]: Finished difference Result 851 states and 1124 transitions. [2025-03-17 15:16:51,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-03-17 15:16:51,360 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 5.428571428571429) internal successors, (114), 22 states have internal predecessors, (114), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 95 [2025-03-17 15:16:51,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:51,361 INFO L225 Difference]: With dead ends: 851 [2025-03-17 15:16:51,361 INFO L226 Difference]: Without dead ends: 836 [2025-03-17 15:16:51,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 275 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=346, Invalid=1376, Unknown=0, NotChecked=0, Total=1722 [2025-03-17 15:16:51,362 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 702 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 2650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:51,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 612 Invalid, 2650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 2530 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2025-03-17 15:16:51,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2025-03-17 15:16:51,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 672. [2025-03-17 15:16:51,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 672 states, 548 states have (on average 1.364963503649635) internal successors, (748), 592 states have internal predecessors, (748), 77 states have call successors, (77), 2 states have call predecessors, (77), 2 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-03-17 15:16:51,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 902 transitions. [2025-03-17 15:16:51,441 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 902 transitions. Word has length 95 [2025-03-17 15:16:51,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:51,441 INFO L471 AbstractCegarLoop]: Abstraction has 672 states and 902 transitions. [2025-03-17 15:16:51,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 5.428571428571429) internal successors, (114), 22 states have internal predecessors, (114), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:16:51,441 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 902 transitions. [2025-03-17 15:16:51,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-17 15:16:51,441 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:51,441 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:51,447 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2025-03-17 15:16:51,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:51,642 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:51,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:51,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1535095035, now seen corresponding path program 1 times [2025-03-17 15:16:51,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:51,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507536489] [2025-03-17 15:16:51,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:51,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:51,646 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 15:16:51,653 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 15:16:51,653 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:51,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 15:16:51,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:51,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507536489] [2025-03-17 15:16:51,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507536489] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:51,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998210498] [2025-03-17 15:16:51,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:51,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:51,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:51,823 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:51,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2025-03-17 15:16:51,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 15:16:51,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 15:16:51,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:51,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:51,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 15:16:51,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:51,969 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 32 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-03-17 15:16:51,969 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:52,117 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 15:16:52,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998210498] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:52,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:16:52,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 15 [2025-03-17 15:16:52,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140123062] [2025-03-17 15:16:52,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:52,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-17 15:16:52,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:52,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-17 15:16:52,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:16:52,118 INFO L87 Difference]: Start difference. First operand 672 states and 902 transitions. Second operand has 15 states, 15 states have (on average 6.333333333333333) internal successors, (95), 15 states have internal predecessors, (95), 6 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (18), 5 states have call predecessors, (18), 6 states have call successors, (18) [2025-03-17 15:16:52,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:52,668 INFO L93 Difference]: Finished difference Result 994 states and 1328 transitions. [2025-03-17 15:16:52,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 15:16:52,668 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.333333333333333) internal successors, (95), 15 states have internal predecessors, (95), 6 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (18), 5 states have call predecessors, (18), 6 states have call successors, (18) Word has length 99 [2025-03-17 15:16:52,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:52,669 INFO L225 Difference]: With dead ends: 994 [2025-03-17 15:16:52,670 INFO L226 Difference]: Without dead ends: 665 [2025-03-17 15:16:52,670 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 192 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2025-03-17 15:16:52,670 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 430 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 699 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 773 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 699 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:52,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 773 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 699 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:16:52,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2025-03-17 15:16:52,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 645. [2025-03-17 15:16:52,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 522 states have (on average 1.3812260536398469) internal successors, (721), 566 states have internal predecessors, (721), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:52,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 873 transitions. [2025-03-17 15:16:52,751 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 873 transitions. Word has length 99 [2025-03-17 15:16:52,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:52,751 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 873 transitions. [2025-03-17 15:16:52,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.333333333333333) internal successors, (95), 15 states have internal predecessors, (95), 6 states have call successors, (17), 2 states have call predecessors, (17), 3 states have return successors, (18), 5 states have call predecessors, (18), 6 states have call successors, (18) [2025-03-17 15:16:52,751 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 873 transitions. [2025-03-17 15:16:52,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-17 15:16:52,752 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:52,752 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:52,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:52,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:52,952 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:52,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:52,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1137000862, now seen corresponding path program 1 times [2025-03-17 15:16:52,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:52,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388999539] [2025-03-17 15:16:52,953 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:52,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:52,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 15:16:52,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 15:16:52,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:52,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:52,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1543173564] [2025-03-17 15:16:52,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:52,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:52,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:52,963 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:52,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2025-03-17 15:16:52,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 15:16:52,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 15:16:52,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:52,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:52,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:16:52,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2025-03-17 15:16:53,095 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:16:53,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:53,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388999539] [2025-03-17 15:16:53,095 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:53,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543173564] [2025-03-17 15:16:53,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543173564] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:53,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:53,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-17 15:16:53,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542845720] [2025-03-17 15:16:53,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:53,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:16:53,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:53,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:16:53,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:16:53,096 INFO L87 Difference]: Start difference. First operand 645 states and 873 transitions. Second operand has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-17 15:16:53,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:53,312 INFO L93 Difference]: Finished difference Result 651 states and 873 transitions. [2025-03-17 15:16:53,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:16:53,313 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 102 [2025-03-17 15:16:53,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:53,314 INFO L225 Difference]: With dead ends: 651 [2025-03-17 15:16:53,314 INFO L226 Difference]: Without dead ends: 650 [2025-03-17 15:16:53,314 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:16:53,314 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 172 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 176 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:53,314 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [176 Valid, 351 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:53,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2025-03-17 15:16:53,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 645. [2025-03-17 15:16:53,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 645 states, 522 states have (on average 1.3773946360153257) internal successors, (719), 566 states have internal predecessors, (719), 76 states have call successors, (76), 2 states have call predecessors, (76), 2 states have return successors, (76), 76 states have call predecessors, (76), 76 states have call successors, (76) [2025-03-17 15:16:53,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 871 transitions. [2025-03-17 15:16:53,390 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 871 transitions. Word has length 102 [2025-03-17 15:16:53,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:53,390 INFO L471 AbstractCegarLoop]: Abstraction has 645 states and 871 transitions. [2025-03-17 15:16:53,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 3 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-17 15:16:53,390 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 871 transitions. [2025-03-17 15:16:53,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-03-17 15:16:53,391 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:53,391 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:53,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:53,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2025-03-17 15:16:53,595 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:53,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:53,595 INFO L85 PathProgramCache]: Analyzing trace with hash 887288394, now seen corresponding path program 1 times [2025-03-17 15:16:53,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:53,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106479910] [2025-03-17 15:16:53,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:53,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:53,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 15:16:53,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 15:16:53,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:53,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:53,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [662010824] [2025-03-17 15:16:53,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:53,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:53,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:53,606 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:53,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2025-03-17 15:16:53,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-03-17 15:16:53,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-03-17 15:16:53,640 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:53,640 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:53,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-17 15:16:53,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:53,925 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-03-17 15:16:53,925 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:54,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:54,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106479910] [2025-03-17 15:16:54,167 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:54,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662010824] [2025-03-17 15:16:54,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662010824] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:54,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:54,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-17 15:16:54,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306849336] [2025-03-17 15:16:54,168 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:54,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:16:54,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:54,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:16:54,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:16:54,168 INFO L87 Difference]: Start difference. First operand 645 states and 871 transitions. Second operand has 11 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-03-17 15:16:54,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:54,725 INFO L93 Difference]: Finished difference Result 693 states and 918 transitions. [2025-03-17 15:16:54,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:16:54,726 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 103 [2025-03-17 15:16:54,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:54,727 INFO L225 Difference]: With dead ends: 693 [2025-03-17 15:16:54,727 INFO L226 Difference]: Without dead ends: 691 [2025-03-17 15:16:54,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:16:54,727 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 330 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 882 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 882 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:54,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 432 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 882 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:16:54,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2025-03-17 15:16:54,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 674. [2025-03-17 15:16:54,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 547 states have (on average 1.3656307129798904) internal successors, (747), 591 states have internal predecessors, (747), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-03-17 15:16:54,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 907 transitions. [2025-03-17 15:16:54,808 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 907 transitions. Word has length 103 [2025-03-17 15:16:54,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:54,808 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 907 transitions. [2025-03-17 15:16:54,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.7) internal successors, (57), 10 states have internal predecessors, (57), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2025-03-17 15:16:54,809 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 907 transitions. [2025-03-17 15:16:54,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-17 15:16:54,809 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:54,809 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 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, 1, 1, 1, 1] [2025-03-17 15:16:54,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2025-03-17 15:16:55,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2025-03-17 15:16:55,010 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:55,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:55,010 INFO L85 PathProgramCache]: Analyzing trace with hash 807922688, now seen corresponding path program 1 times [2025-03-17 15:16:55,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:55,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913869824] [2025-03-17 15:16:55,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:55,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:55,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-17 15:16:55,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:16:55,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:55,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:55,060 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-17 15:16:55,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:55,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913869824] [2025-03-17 15:16:55,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913869824] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:55,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033612386] [2025-03-17 15:16:55,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:55,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:55,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:55,062 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:55,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2025-03-17 15:16:55,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-03-17 15:16:55,102 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:16:55,102 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:55,102 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:55,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:16:55,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:55,161 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-17 15:16:55,161 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:55,248 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-17 15:16:55,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033612386] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:55,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:16:55,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2025-03-17 15:16:55,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849078336] [2025-03-17 15:16:55,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:55,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:16:55,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:55,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:16:55,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:16:55,249 INFO L87 Difference]: Start difference. First operand 674 states and 907 transitions. Second operand has 10 states, 9 states have (on average 11.444444444444445) internal successors, (103), 10 states have internal predecessors, (103), 7 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2025-03-17 15:16:55,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:55,700 INFO L93 Difference]: Finished difference Result 842 states and 1101 transitions. [2025-03-17 15:16:55,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:16:55,701 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.444444444444445) internal successors, (103), 10 states have internal predecessors, (103), 7 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) Word has length 109 [2025-03-17 15:16:55,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:55,702 INFO L225 Difference]: With dead ends: 842 [2025-03-17 15:16:55,702 INFO L226 Difference]: Without dead ends: 841 [2025-03-17 15:16:55,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2025-03-17 15:16:55,703 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 327 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:55,703 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 426 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:16:55,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2025-03-17 15:16:55,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 811. [2025-03-17 15:16:55,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 664 states have (on average 1.338855421686747) internal successors, (889), 708 states have internal predecessors, (889), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2025-03-17 15:16:55,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1089 transitions. [2025-03-17 15:16:55,807 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1089 transitions. Word has length 109 [2025-03-17 15:16:55,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:55,807 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1089 transitions. [2025-03-17 15:16:55,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.444444444444445) internal successors, (103), 10 states have internal predecessors, (103), 7 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 7 states have call predecessors, (23), 7 states have call successors, (23) [2025-03-17 15:16:55,807 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1089 transitions. [2025-03-17 15:16:55,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-03-17 15:16:55,808 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:55,808 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 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, 1, 1, 1] [2025-03-17 15:16:55,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:56,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2025-03-17 15:16:56,009 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:56,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:56,009 INFO L85 PathProgramCache]: Analyzing trace with hash -724200413, now seen corresponding path program 1 times [2025-03-17 15:16:56,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:56,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494484536] [2025-03-17 15:16:56,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:56,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:56,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-17 15:16:56,015 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-17 15:16:56,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:56,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:56,063 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-17 15:16:56,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:56,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494484536] [2025-03-17 15:16:56,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494484536] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:56,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5213037] [2025-03-17 15:16:56,063 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:56,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:56,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:56,065 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:56,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2025-03-17 15:16:56,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-03-17 15:16:56,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-03-17 15:16:56,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:56,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:56,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:16:56,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:56,179 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-17 15:16:56,179 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:56,292 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-17 15:16:56,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5213037] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:56,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:16:56,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2025-03-17 15:16:56,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3507505] [2025-03-17 15:16:56,293 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:56,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:16:56,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:56,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:16:56,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:16:56,294 INFO L87 Difference]: Start difference. First operand 811 states and 1089 transitions. Second operand has 14 states, 13 states have (on average 10.461538461538462) internal successors, (136), 14 states have internal predecessors, (136), 9 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2025-03-17 15:16:57,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:57,036 INFO L93 Difference]: Finished difference Result 1146 states and 1502 transitions. [2025-03-17 15:16:57,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-03-17 15:16:57,037 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 10.461538461538462) internal successors, (136), 14 states have internal predecessors, (136), 9 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) Word has length 110 [2025-03-17 15:16:57,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:57,039 INFO L225 Difference]: With dead ends: 1146 [2025-03-17 15:16:57,039 INFO L226 Difference]: Without dead ends: 1145 [2025-03-17 15:16:57,039 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 648 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=633, Invalid=1719, Unknown=0, NotChecked=0, Total=2352 [2025-03-17 15:16:57,039 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 1830 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1830 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:57,040 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1830 Valid, 335 Invalid, 741 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:16:57,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2025-03-17 15:16:57,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 1039. [2025-03-17 15:16:57,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1039 states, 860 states have (on average 1.3767441860465117) internal successors, (1184), 904 states have internal predecessors, (1184), 132 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2025-03-17 15:16:57,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1448 transitions. [2025-03-17 15:16:57,167 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1448 transitions. Word has length 110 [2025-03-17 15:16:57,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:57,167 INFO L471 AbstractCegarLoop]: Abstraction has 1039 states and 1448 transitions. [2025-03-17 15:16:57,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 10.461538461538462) internal successors, (136), 14 states have internal predecessors, (136), 9 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 9 states have call predecessors, (31), 9 states have call successors, (31) [2025-03-17 15:16:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1448 transitions. [2025-03-17 15:16:57,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-03-17 15:16:57,168 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:57,168 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:57,173 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:57,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:57,368 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:57,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:57,369 INFO L85 PathProgramCache]: Analyzing trace with hash -171893895, now seen corresponding path program 1 times [2025-03-17 15:16:57,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:57,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998883297] [2025-03-17 15:16:57,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:57,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:57,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-03-17 15:16:57,374 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-03-17 15:16:57,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:57,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:57,397 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-17 15:16:57,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:57,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998883297] [2025-03-17 15:16:57,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998883297] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:16:57,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:16:57,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:16:57,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445595696] [2025-03-17 15:16:57,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:16:57,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:16:57,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:57,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:16:57,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:16:57,398 INFO L87 Difference]: Start difference. First operand 1039 states and 1448 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-17 15:16:57,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:57,565 INFO L93 Difference]: Finished difference Result 1039 states and 1448 transitions. [2025-03-17 15:16:57,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:16:57,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 112 [2025-03-17 15:16:57,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:57,567 INFO L225 Difference]: With dead ends: 1039 [2025-03-17 15:16:57,567 INFO L226 Difference]: Without dead ends: 1038 [2025-03-17 15:16:57,567 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 15:16:57,567 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 24 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:57,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 272 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:16:57,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2025-03-17 15:16:57,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 1038. [2025-03-17 15:16:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1038 states, 860 states have (on average 1.372093023255814) internal successors, (1180), 903 states have internal predecessors, (1180), 132 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2025-03-17 15:16:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1444 transitions. [2025-03-17 15:16:57,691 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1444 transitions. Word has length 112 [2025-03-17 15:16:57,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:57,691 INFO L471 AbstractCegarLoop]: Abstraction has 1038 states and 1444 transitions. [2025-03-17 15:16:57,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2025-03-17 15:16:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1444 transitions. [2025-03-17 15:16:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-03-17 15:16:57,692 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:57,692 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:57,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2025-03-17 15:16:57,692 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:57,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:57,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1289988326, now seen corresponding path program 1 times [2025-03-17 15:16:57,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:57,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389526569] [2025-03-17 15:16:57,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:57,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:57,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-03-17 15:16:57,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-03-17 15:16:57,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:57,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:57,735 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-17 15:16:57,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:57,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389526569] [2025-03-17 15:16:57,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389526569] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:57,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814735431] [2025-03-17 15:16:57,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:57,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:57,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:57,738 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:57,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2025-03-17 15:16:57,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 115 statements into 1 equivalence classes. [2025-03-17 15:16:57,773 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-03-17 15:16:57,774 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:57,774 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:57,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:16:57,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:57,897 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-17 15:16:57,897 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:57,998 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-03-17 15:16:57,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814735431] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:16:57,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:16:57,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2025-03-17 15:16:57,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865131993] [2025-03-17 15:16:57,998 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:57,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:16:57,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:57,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:16:57,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:16:57,999 INFO L87 Difference]: Start difference. First operand 1038 states and 1444 transitions. Second operand has 11 states, 10 states have (on average 16.5) internal successors, (165), 11 states have internal predecessors, (165), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2025-03-17 15:16:58,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:16:58,366 INFO L93 Difference]: Finished difference Result 1945 states and 2692 transitions. [2025-03-17 15:16:58,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:16:58,366 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.5) internal successors, (165), 11 states have internal predecessors, (165), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) Word has length 115 [2025-03-17 15:16:58,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:16:58,369 INFO L225 Difference]: With dead ends: 1945 [2025-03-17 15:16:58,369 INFO L226 Difference]: Without dead ends: 1943 [2025-03-17 15:16:58,369 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:16:58,369 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 463 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:16:58,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 518 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:16:58,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1943 states. [2025-03-17 15:16:58,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1943 to 1447. [2025-03-17 15:16:58,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1447 states, 1217 states have (on average 1.3755135579293345) internal successors, (1674), 1260 states have internal predecessors, (1674), 184 states have call successors, (184), 2 states have call predecessors, (184), 2 states have return successors, (184), 184 states have call predecessors, (184), 184 states have call successors, (184) [2025-03-17 15:16:58,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1447 states to 1447 states and 2042 transitions. [2025-03-17 15:16:58,550 INFO L78 Accepts]: Start accepts. Automaton has 1447 states and 2042 transitions. Word has length 115 [2025-03-17 15:16:58,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:16:58,550 INFO L471 AbstractCegarLoop]: Abstraction has 1447 states and 2042 transitions. [2025-03-17 15:16:58,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.5) internal successors, (165), 11 states have internal predecessors, (165), 7 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 7 states have call predecessors, (28), 7 states have call successors, (28) [2025-03-17 15:16:58,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1447 states and 2042 transitions. [2025-03-17 15:16:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-03-17 15:16:58,550 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:16:58,550 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:16:58,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2025-03-17 15:16:58,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2025-03-17 15:16:58,751 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-03-17 15:16:58,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:16:58,751 INFO L85 PathProgramCache]: Analyzing trace with hash 305947193, now seen corresponding path program 1 times [2025-03-17 15:16:58,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:16:58,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290856709] [2025-03-17 15:16:58,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:58,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:16:58,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-17 15:16:58,758 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-17 15:16:58,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:58,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:16:58,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [550819031] [2025-03-17 15:16:58,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:16:58,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:16:58,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:16:58,761 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:16:58,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2025-03-17 15:16:58,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-03-17 15:16:58,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-03-17 15:16:58,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:16:58,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:16:58,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-17 15:16:58,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:16:59,029 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2025-03-17 15:16:59,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:16:59,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:16:59,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290856709] [2025-03-17 15:16:59,310 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:16:59,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [550819031] [2025-03-17 15:16:59,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [550819031] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:16:59,310 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:16:59,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-03-17 15:16:59,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391141412] [2025-03-17 15:16:59,310 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:16:59,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:16:59,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:16:59,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:16:59,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:16:59,311 INFO L87 Difference]: Start difference. First operand 1447 states and 2042 transitions. Second operand has 13 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 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)