./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.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/sqrt1-ll_unwindbound10.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 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:41:41,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:41:41,231 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:41:41,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:41:41,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:41:41,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:41:41,251 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:41:41,251 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:41:41,251 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:41:41,251 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:41:41,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:41:41,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:41:41,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:41:41,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:41:41,252 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:41:41,252 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:41:41,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:41:41,252 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:41:41,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:41:41,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:41:41,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:41:41,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:41:41,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:41:41,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:41:41,253 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:41:41,253 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:41:41,253 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:41:41,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:41:41,253 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:41:41,253 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:41:41,253 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:41:41,253 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:41:41,253 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:41:41,253 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:41:41,253 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:41:41,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:41:41,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:41:41,254 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:41:41,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:41:41,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:41:41,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:41:41,254 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:41:41,254 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:41:41,254 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:41:41,254 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:41:41,254 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 -> 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 [2025-03-17 15:41:41,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:41:41,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:41:41,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:41:41,469 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:41:41,469 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:41:41,470 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2025-03-17 15:41:42,556 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ba1db23/0557d65d893a4327bb665949fbaba20a/FLAGad75a7918 [2025-03-17 15:41:42,773 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:41:42,773 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2025-03-17 15:41:42,783 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ba1db23/0557d65d893a4327bb665949fbaba20a/FLAGad75a7918 [2025-03-17 15:41:42,819 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93ba1db23/0557d65d893a4327bb665949fbaba20a [2025-03-17 15:41:42,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:41:42,826 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:41:42,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:41:42,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:41:42,832 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:41:42,833 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:42,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474ef4e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42, skipping insertion in model container [2025-03-17 15:41:42,835 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:42,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:41:42,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:41:42,961 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:41:42,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:41:42,984 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:41:42,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42 WrapperNode [2025-03-17 15:41:42,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:41:42,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:41:42,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:41:42,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:41:42,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:42,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:43,003 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 99 [2025-03-17 15:41:43,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:41:43,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:41:43,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:41:43,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:41:43,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:43,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:43,016 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:43,024 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 15:41:43,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:43,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:43,026 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:43,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:43,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:43,027 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:43,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:41:43,029 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:41:43,029 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:41:43,029 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:41:43,029 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42" (1/1) ... [2025-03-17 15:41:43,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:41:43,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:43,053 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 15:41:43,058 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 15:41:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:41:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:41:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:41:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:41:43,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:41:43,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:41:43,113 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:41:43,114 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:41:43,385 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2025-03-17 15:41:43,387 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:41:43,394 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:41:43,394 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:41:43,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:41:43 BoogieIcfgContainer [2025-03-17 15:41:43,395 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:41:43,396 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:41:43,396 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:41:43,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:41:43,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:41:42" (1/3) ... [2025-03-17 15:41:43,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eecce28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:41:43, skipping insertion in model container [2025-03-17 15:41:43,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:41:42" (2/3) ... [2025-03-17 15:41:43,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4eecce28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:41:43, skipping insertion in model container [2025-03-17 15:41:43,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:41:43" (3/3) ... [2025-03-17 15:41:43,401 INFO L128 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound10.c [2025-03-17 15:41:43,410 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:41:43,412 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sqrt1-ll_unwindbound10.c that has 2 procedures, 121 locations, 1 initial locations, 1 loop locations, and 52 error locations. [2025-03-17 15:41:43,452 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:41:43,460 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;@7b8f980f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:41:43,460 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2025-03-17 15:41:43,463 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 61 states have (on average 1.9180327868852458) internal successors, (117), 113 states have internal predecessors, (117), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:41:43,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-03-17 15:41:43,465 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:43,466 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-03-17 15:41:43,466 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:43,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:43,469 INFO L85 PathProgramCache]: Analyzing trace with hash 145907, now seen corresponding path program 1 times [2025-03-17 15:41:43,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:43,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357407786] [2025-03-17 15:41:43,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:43,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:43,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-03-17 15:41:43,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-03-17 15:41:43,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:43,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:43,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:41:43,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:43,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357407786] [2025-03-17 15:41:43,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357407786] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:43,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:41:43,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:41:43,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932707103] [2025-03-17 15:41:43,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:43,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:41:43,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:43,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:41:43,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:41:43,632 INFO L87 Difference]: Start difference. First operand has 121 states, 61 states have (on average 1.9180327868852458) internal successors, (117), 113 states have internal predecessors, (117), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:41:43,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:43,698 INFO L93 Difference]: Finished difference Result 241 states and 271 transitions. [2025-03-17 15:41:43,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:41:43,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-03-17 15:41:43,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:43,705 INFO L225 Difference]: With dead ends: 241 [2025-03-17 15:41:43,705 INFO L226 Difference]: Without dead ends: 117 [2025-03-17 15:41:43,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 15:41:43,711 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 4 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:43,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 352 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:41:43,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-03-17 15:41:43,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2025-03-17 15:41:43,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 63 states have (on average 1.7777777777777777) internal successors, (112), 110 states have internal predecessors, (112), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:41:43,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 122 transitions. [2025-03-17 15:41:43,746 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 122 transitions. Word has length 3 [2025-03-17 15:41:43,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:43,746 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 122 transitions. [2025-03-17 15:41:43,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:41:43,747 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2025-03-17 15:41:43,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 15:41:43,748 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:43,748 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 15:41:43,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 15:41:43,748 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:43,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:43,750 INFO L85 PathProgramCache]: Analyzing trace with hash 51828508, now seen corresponding path program 1 times [2025-03-17 15:41:43,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:43,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83797833] [2025-03-17 15:41:43,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:43,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:43,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 15:41:43,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 15:41:43,757 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:43,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:41:43,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:43,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83797833] [2025-03-17 15:41:43,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83797833] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:43,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:41:43,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 15:41:43,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967654695] [2025-03-17 15:41:43,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:43,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:41:43,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:43,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:41:43,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:41:43,795 INFO L87 Difference]: Start difference. First operand 117 states and 122 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:41:43,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:43,872 INFO L93 Difference]: Finished difference Result 117 states and 122 transitions. [2025-03-17 15:41:43,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:41:43,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-17 15:41:43,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:43,873 INFO L225 Difference]: With dead ends: 117 [2025-03-17 15:41:43,875 INFO L226 Difference]: Without dead ends: 108 [2025-03-17 15:41:43,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 15:41:43,876 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 79 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:43,876 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 84 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:43,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2025-03-17 15:41:43,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2025-03-17 15:41:43,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 63 states have (on average 1.6349206349206349) internal successors, (103), 101 states have internal predecessors, (103), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-03-17 15:41:43,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 113 transitions. [2025-03-17 15:41:43,887 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 113 transitions. Word has length 6 [2025-03-17 15:41:43,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:43,887 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 113 transitions. [2025-03-17 15:41:43,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:41:43,888 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 113 transitions. [2025-03-17 15:41:43,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-17 15:41:43,888 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:43,888 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:41:43,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 15:41:43,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:43,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:43,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1606683823, now seen corresponding path program 1 times [2025-03-17 15:41:43,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:43,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505011314] [2025-03-17 15:41:43,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:43,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:43,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-17 15:41:43,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-17 15:41:43,896 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:43,896 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:43,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:41:43,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:43,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505011314] [2025-03-17 15:41:43,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505011314] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:43,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:41:43,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-03-17 15:41:43,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105114970] [2025-03-17 15:41:43,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:43,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:41:43,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:43,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:41:43,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:41:43,913 INFO L87 Difference]: Start difference. First operand 108 states and 113 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:41:43,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:43,989 INFO L93 Difference]: Finished difference Result 191 states and 203 transitions. [2025-03-17 15:41:43,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:41:43,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-03-17 15:41:43,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:43,991 INFO L225 Difference]: With dead ends: 191 [2025-03-17 15:41:43,991 INFO L226 Difference]: Without dead ends: 182 [2025-03-17 15:41:43,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 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 15:41:43,992 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 67 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:43,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 160 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:43,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-03-17 15:41:44,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 145. [2025-03-17 15:41:44,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 96 states have (on average 1.5520833333333333) internal successors, (149), 134 states have internal predecessors, (149), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:41:44,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 167 transitions. [2025-03-17 15:41:44,006 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 167 transitions. Word has length 7 [2025-03-17 15:41:44,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:44,007 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 167 transitions. [2025-03-17 15:41:44,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:41:44,007 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 167 transitions. [2025-03-17 15:41:44,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-03-17 15:41:44,007 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:44,007 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:41:44,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 15:41:44,008 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:44,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:44,008 INFO L85 PathProgramCache]: Analyzing trace with hash 2027551711, now seen corresponding path program 1 times [2025-03-17 15:41:44,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:44,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285871292] [2025-03-17 15:41:44,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:44,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:44,014 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-17 15:41:44,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-17 15:41:44,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:44,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:41:44,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902179079] [2025-03-17 15:41:44,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:44,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:44,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:44,032 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 15:41:44,039 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 15:41:44,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-03-17 15:41:44,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-03-17 15:41:44,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:44,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:44,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:41:44,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:44,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:41:44,109 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:41:44,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:44,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285871292] [2025-03-17 15:41:44,110 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:41:44,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902179079] [2025-03-17 15:41:44,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902179079] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:44,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:41:44,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:41:44,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598003276] [2025-03-17 15:41:44,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:44,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:41:44,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:44,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:41:44,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:41:44,111 INFO L87 Difference]: Start difference. First operand 145 states and 167 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:41:44,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:44,174 INFO L93 Difference]: Finished difference Result 184 states and 194 transitions. [2025-03-17 15:41:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:41:44,175 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2025-03-17 15:41:44,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:44,176 INFO L225 Difference]: With dead ends: 184 [2025-03-17 15:41:44,176 INFO L226 Difference]: Without dead ends: 182 [2025-03-17 15:41:44,176 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 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 15:41:44,176 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 59 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:44,178 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 162 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:44,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-03-17 15:41:44,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 147. [2025-03-17 15:41:44,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 98 states have (on average 1.530612244897959) internal successors, (150), 136 states have internal predecessors, (150), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-03-17 15:41:44,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 168 transitions. [2025-03-17 15:41:44,193 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 168 transitions. Word has length 20 [2025-03-17 15:41:44,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:44,193 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 168 transitions. [2025-03-17 15:41:44,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:41:44,193 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 168 transitions. [2025-03-17 15:41:44,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-03-17 15:41:44,193 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:44,193 INFO L218 NwaCegarLoop]: trace histogram [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 15:41:44,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 15:41:44,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:44,394 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:44,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:44,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1416214445, now seen corresponding path program 1 times [2025-03-17 15:41:44,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:44,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962009944] [2025-03-17 15:41:44,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:44,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:44,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 15:41:44,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 15:41:44,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:44,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:41:44,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2132970718] [2025-03-17 15:41:44,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:44,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:44,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:44,411 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 15:41:44,412 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 15:41:44,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-03-17 15:41:44,441 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-03-17 15:41:44,441 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:44,441 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:44,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:41:44,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:41:44,475 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:41:44,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:44,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962009944] [2025-03-17 15:41:44,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:41:44,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132970718] [2025-03-17 15:41:44,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132970718] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:44,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:41:44,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:41:44,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859649173] [2025-03-17 15:41:44,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:44,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:41:44,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:44,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:41:44,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:41:44,477 INFO L87 Difference]: Start difference. First operand 147 states and 168 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:41:44,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:44,562 INFO L93 Difference]: Finished difference Result 174 states and 196 transitions. [2025-03-17 15:41:44,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:41:44,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2025-03-17 15:41:44,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:44,564 INFO L225 Difference]: With dead ends: 174 [2025-03-17 15:41:44,564 INFO L226 Difference]: Without dead ends: 166 [2025-03-17 15:41:44,565 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 15:41:44,565 INFO L435 NwaCegarLoop]: 104 mSDtfsCounter, 41 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:44,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 168 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:44,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2025-03-17 15:41:44,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 158. [2025-03-17 15:41:44,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 108 states have (on average 1.4907407407407407) internal successors, (161), 146 states have internal predecessors, (161), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:41:44,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 181 transitions. [2025-03-17 15:41:44,574 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 181 transitions. Word has length 27 [2025-03-17 15:41:44,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:44,574 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 181 transitions. [2025-03-17 15:41:44,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:41:44,574 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 181 transitions. [2025-03-17 15:41:44,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-17 15:41:44,575 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:44,575 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-17 15:41:44,581 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 15:41:44,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:44,775 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:44,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:44,776 INFO L85 PathProgramCache]: Analyzing trace with hash 952974886, now seen corresponding path program 1 times [2025-03-17 15:41:44,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:44,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801931812] [2025-03-17 15:41:44,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:44,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:44,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-17 15:41:44,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-17 15:41:44,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:44,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:41:44,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:44,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801931812] [2025-03-17 15:41:44,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801931812] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:44,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:41:44,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:41:44,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472938997] [2025-03-17 15:41:44,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:44,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:41:44,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:44,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:41:44,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:41:44,838 INFO L87 Difference]: Start difference. First operand 158 states and 181 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:41:44,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:44,918 INFO L93 Difference]: Finished difference Result 166 states and 192 transitions. [2025-03-17 15:41:44,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:41:44,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2025-03-17 15:41:44,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:44,920 INFO L225 Difference]: With dead ends: 166 [2025-03-17 15:41:44,920 INFO L226 Difference]: Without dead ends: 164 [2025-03-17 15:41:44,920 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 15:41:44,921 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 38 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:44,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 173 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:44,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2025-03-17 15:41:44,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 158. [2025-03-17 15:41:44,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 108 states have (on average 1.4722222222222223) internal successors, (159), 146 states have internal predecessors, (159), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:41:44,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 179 transitions. [2025-03-17 15:41:44,935 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 179 transitions. Word has length 28 [2025-03-17 15:41:44,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:44,936 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 179 transitions. [2025-03-17 15:41:44,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:41:44,936 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 179 transitions. [2025-03-17 15:41:44,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-03-17 15:41:44,936 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:44,936 INFO L218 NwaCegarLoop]: trace histogram [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 15:41:44,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 15:41:44,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:44,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:44,937 INFO L85 PathProgramCache]: Analyzing trace with hash -522549557, now seen corresponding path program 1 times [2025-03-17 15:41:44,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:44,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197078276] [2025-03-17 15:41:44,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:44,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:44,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-03-17 15:41:44,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-03-17 15:41:44,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:44,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:41:44,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:44,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197078276] [2025-03-17 15:41:44,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197078276] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:44,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:41:44,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:41:44,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110830403] [2025-03-17 15:41:44,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:44,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:41:44,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:44,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:41:44,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:41:44,992 INFO L87 Difference]: Start difference. First operand 158 states and 179 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:41:45,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:45,065 INFO L93 Difference]: Finished difference Result 172 states and 190 transitions. [2025-03-17 15:41:45,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:41:45,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2025-03-17 15:41:45,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:45,066 INFO L225 Difference]: With dead ends: 172 [2025-03-17 15:41:45,066 INFO L226 Difference]: Without dead ends: 164 [2025-03-17 15:41:45,066 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 15:41:45,066 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 37 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:45,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 177 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:45,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2025-03-17 15:41:45,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2025-03-17 15:41:45,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 111 states have (on average 1.4144144144144144) internal successors, (157), 149 states have internal predecessors, (157), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:41:45,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 177 transitions. [2025-03-17 15:41:45,073 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 177 transitions. Word has length 29 [2025-03-17 15:41:45,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:45,073 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 177 transitions. [2025-03-17 15:41:45,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:41:45,073 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 177 transitions. [2025-03-17 15:41:45,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-17 15:41:45,073 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:45,074 INFO L218 NwaCegarLoop]: trace histogram [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 15:41:45,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 15:41:45,074 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:45,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:45,074 INFO L85 PathProgramCache]: Analyzing trace with hash 341050857, now seen corresponding path program 1 times [2025-03-17 15:41:45,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:45,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074942056] [2025-03-17 15:41:45,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:45,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:45,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-03-17 15:41:45,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-03-17 15:41:45,084 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:45,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:41:45,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:45,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074942056] [2025-03-17 15:41:45,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074942056] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:45,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:41:45,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:41:45,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980819129] [2025-03-17 15:41:45,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:45,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:41:45,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:45,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:41:45,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:41:45,147 INFO L87 Difference]: Start difference. First operand 161 states and 177 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:41:45,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:45,288 INFO L93 Difference]: Finished difference Result 166 states and 182 transitions. [2025-03-17 15:41:45,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:41:45,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2025-03-17 15:41:45,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:45,289 INFO L225 Difference]: With dead ends: 166 [2025-03-17 15:41:45,289 INFO L226 Difference]: Without dead ends: 164 [2025-03-17 15:41:45,289 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 15:41:45,289 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 87 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:45,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 198 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:45,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2025-03-17 15:41:45,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2025-03-17 15:41:45,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 111 states have (on average 1.3963963963963963) internal successors, (155), 149 states have internal predecessors, (155), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:41:45,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 175 transitions. [2025-03-17 15:41:45,295 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 175 transitions. Word has length 31 [2025-03-17 15:41:45,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:45,295 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 175 transitions. [2025-03-17 15:41:45,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:41:45,295 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 175 transitions. [2025-03-17 15:41:45,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-17 15:41:45,295 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:45,295 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:41:45,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 15:41:45,296 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:45,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:45,296 INFO L85 PathProgramCache]: Analyzing trace with hash 498144293, now seen corresponding path program 1 times [2025-03-17 15:41:45,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:45,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762645414] [2025-03-17 15:41:45,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:45,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:45,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-17 15:41:45,304 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-17 15:41:45,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:45,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:41:45,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:45,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762645414] [2025-03-17 15:41:45,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762645414] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:45,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:41:45,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:41:45,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889921514] [2025-03-17 15:41:45,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:45,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:41:45,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:45,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:41:45,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:41:45,375 INFO L87 Difference]: Start difference. First operand 161 states and 175 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:41:49,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:41:49,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:49,520 INFO L93 Difference]: Finished difference Result 166 states and 176 transitions. [2025-03-17 15:41:49,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:41:49,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2025-03-17 15:41:49,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:49,521 INFO L225 Difference]: With dead ends: 166 [2025-03-17 15:41:49,521 INFO L226 Difference]: Without dead ends: 138 [2025-03-17 15:41:49,521 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 15:41:49,522 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 81 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:49,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 188 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 136 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2025-03-17 15:41:49,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2025-03-17 15:41:49,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2025-03-17 15:41:49,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 90 states have (on average 1.4444444444444444) internal successors, (130), 128 states have internal predecessors, (130), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:41:49,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 146 transitions. [2025-03-17 15:41:49,528 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 146 transitions. Word has length 35 [2025-03-17 15:41:49,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:49,528 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 146 transitions. [2025-03-17 15:41:49,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-03-17 15:41:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 146 transitions. [2025-03-17 15:41:49,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-03-17 15:41:49,529 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:49,529 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1] [2025-03-17 15:41:49,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 15:41:49,529 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:49,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:49,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1132371136, now seen corresponding path program 1 times [2025-03-17 15:41:49,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:49,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664687449] [2025-03-17 15:41:49,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:49,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:49,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-03-17 15:41:49,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-03-17 15:41:49,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:49,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:49,595 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:41:49,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:49,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664687449] [2025-03-17 15:41:49,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664687449] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:49,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:41:49,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:41:49,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939550089] [2025-03-17 15:41:49,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:49,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:41:49,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:49,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:41:49,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:41:49,596 INFO L87 Difference]: Start difference. First operand 138 states and 146 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:41:49,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:49,669 INFO L93 Difference]: Finished difference Result 141 states and 150 transitions. [2025-03-17 15:41:49,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:41:49,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2025-03-17 15:41:49,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:49,670 INFO L225 Difference]: With dead ends: 141 [2025-03-17 15:41:49,670 INFO L226 Difference]: Without dead ends: 140 [2025-03-17 15:41:49,670 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 15:41:49,671 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 2 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:49,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 160 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:49,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2025-03-17 15:41:49,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2025-03-17 15:41:49,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 91 states have (on average 1.4395604395604396) internal successors, (131), 129 states have internal predecessors, (131), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:41:49,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 147 transitions. [2025-03-17 15:41:49,676 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 147 transitions. Word has length 48 [2025-03-17 15:41:49,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:49,676 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 147 transitions. [2025-03-17 15:41:49,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:41:49,677 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2025-03-17 15:41:49,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-17 15:41:49,677 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:49,677 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1] [2025-03-17 15:41:49,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 15:41:49,677 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:49,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:49,678 INFO L85 PathProgramCache]: Analyzing trace with hash -743766830, now seen corresponding path program 1 times [2025-03-17 15:41:49,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:49,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702341217] [2025-03-17 15:41:49,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:49,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:49,685 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-03-17 15:41:49,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-03-17 15:41:49,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:49,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:49,722 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:41:49,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:49,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702341217] [2025-03-17 15:41:49,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702341217] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:49,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:41:49,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:41:49,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964912595] [2025-03-17 15:41:49,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:49,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:41:49,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:49,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:41:49,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:41:49,723 INFO L87 Difference]: Start difference. First operand 139 states and 147 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:41:49,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:49,816 INFO L93 Difference]: Finished difference Result 141 states and 149 transitions. [2025-03-17 15:41:49,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:41:49,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2025-03-17 15:41:49,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:49,817 INFO L225 Difference]: With dead ends: 141 [2025-03-17 15:41:49,817 INFO L226 Difference]: Without dead ends: 140 [2025-03-17 15:41:49,817 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 15:41:49,818 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:49,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 198 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:49,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2025-03-17 15:41:49,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2025-03-17 15:41:49,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 92 states have (on average 1.434782608695652) internal successors, (132), 130 states have internal predecessors, (132), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:41:49,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 148 transitions. [2025-03-17 15:41:49,823 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 148 transitions. Word has length 49 [2025-03-17 15:41:49,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:49,823 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 148 transitions. [2025-03-17 15:41:49,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:41:49,823 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 148 transitions. [2025-03-17 15:41:49,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-03-17 15:41:49,824 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:49,824 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-17 15:41:49,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 15:41:49,824 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:49,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:49,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1795349776, now seen corresponding path program 1 times [2025-03-17 15:41:49,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:49,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400160607] [2025-03-17 15:41:49,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:49,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:49,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:41:49,831 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:41:49,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:49,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:49,909 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:41:49,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:49,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400160607] [2025-03-17 15:41:49,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400160607] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:41:49,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408394680] [2025-03-17 15:41:49,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:49,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:49,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:49,911 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 15:41:49,912 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 15:41:49,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-03-17 15:41:49,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-03-17 15:41:49,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:49,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:49,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:41:49,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:41:50,025 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:41:50,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408394680] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:50,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:41:50,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-17 15:41:50,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735229502] [2025-03-17 15:41:50,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:50,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:41:50,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:50,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:41:50,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:41:50,026 INFO L87 Difference]: Start difference. First operand 140 states and 148 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:41:50,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:50,048 INFO L93 Difference]: Finished difference Result 140 states and 148 transitions. [2025-03-17 15:41:50,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:41:50,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2025-03-17 15:41:50,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:50,049 INFO L225 Difference]: With dead ends: 140 [2025-03-17 15:41:50,049 INFO L226 Difference]: Without dead ends: 139 [2025-03-17 15:41:50,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:41:50,050 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 69 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:50,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 304 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:41:50,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2025-03-17 15:41:50,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2025-03-17 15:41:50,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 92 states have (on average 1.423913043478261) internal successors, (131), 129 states have internal predecessors, (131), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:41:50,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 147 transitions. [2025-03-17 15:41:50,055 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 147 transitions. Word has length 51 [2025-03-17 15:41:50,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:50,055 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 147 transitions. [2025-03-17 15:41:50,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:41:50,055 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2025-03-17 15:41:50,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2025-03-17 15:41:50,056 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:50,056 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-03-17 15:41:50,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 15:41:50,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:50,260 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:50,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:50,260 INFO L85 PathProgramCache]: Analyzing trace with hash 178731873, now seen corresponding path program 1 times [2025-03-17 15:41:50,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:50,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086386058] [2025-03-17 15:41:50,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:50,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:50,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 15:41:50,268 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 15:41:50,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:50,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:41:50,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:50,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086386058] [2025-03-17 15:41:50,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086386058] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:41:50,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261749671] [2025-03-17 15:41:50,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:50,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:50,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:50,335 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 15:41:50,336 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 15:41:50,353 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-03-17 15:41:50,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-03-17 15:41:50,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:50,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:50,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:41:50,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:41:50,424 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:41:50,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261749671] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:50,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:41:50,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-03-17 15:41:50,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876806395] [2025-03-17 15:41:50,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:50,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:41:50,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:50,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:41:50,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:41:50,425 INFO L87 Difference]: Start difference. First operand 139 states and 147 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:41:50,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:50,485 INFO L93 Difference]: Finished difference Result 183 states and 191 transitions. [2025-03-17 15:41:50,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:41:50,485 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2025-03-17 15:41:50,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:50,486 INFO L225 Difference]: With dead ends: 183 [2025-03-17 15:41:50,486 INFO L226 Difference]: Without dead ends: 182 [2025-03-17 15:41:50,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:41:50,487 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 67 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:50,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 461 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:41:50,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-03-17 15:41:50,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 154. [2025-03-17 15:41:50,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 105 states have (on average 1.4095238095238096) internal successors, (148), 142 states have internal predecessors, (148), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:41:50,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 168 transitions. [2025-03-17 15:41:50,494 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 168 transitions. Word has length 52 [2025-03-17 15:41:50,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:50,495 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 168 transitions. [2025-03-17 15:41:50,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:41:50,495 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 168 transitions. [2025-03-17 15:41:50,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-03-17 15:41:50,496 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:50,496 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:41:50,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 15:41:50,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:50,700 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:50,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:50,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1158140116, now seen corresponding path program 1 times [2025-03-17 15:41:50,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:50,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546242235] [2025-03-17 15:41:50,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:50,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:50,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-17 15:41:50,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-17 15:41:50,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:50,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:50,737 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:41:50,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:50,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546242235] [2025-03-17 15:41:50,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546242235] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:41:50,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404307977] [2025-03-17 15:41:50,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:50,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:50,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:50,739 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 15:41:50,740 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 15:41:50,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-03-17 15:41:50,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-03-17 15:41:50,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:50,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:50,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:41:50,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:41:50,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:41:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:41:50,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404307977] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:41:50,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:41:50,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-03-17 15:41:50,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498235750] [2025-03-17 15:41:50,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:41:50,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:41:50,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:50,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:41:50,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:41:50,896 INFO L87 Difference]: Start difference. First operand 154 states and 168 transitions. Second operand has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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 15:41:51,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:51,007 INFO L93 Difference]: Finished difference Result 278 states and 329 transitions. [2025-03-17 15:41:51,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:41:51,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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 55 [2025-03-17 15:41:51,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:51,010 INFO L225 Difference]: With dead ends: 278 [2025-03-17 15:41:51,010 INFO L226 Difference]: Without dead ends: 269 [2025-03-17 15:41:51,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:41:51,010 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 143 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:51,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 227 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:51,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2025-03-17 15:41:51,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 145. [2025-03-17 15:41:51,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 105 states have (on average 1.2857142857142858) internal successors, (135), 133 states have internal predecessors, (135), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:41:51,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 155 transitions. [2025-03-17 15:41:51,018 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 155 transitions. Word has length 55 [2025-03-17 15:41:51,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:51,018 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 155 transitions. [2025-03-17 15:41:51,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.6) internal successors, (83), 6 states have internal predecessors, (83), 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 15:41:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 155 transitions. [2025-03-17 15:41:51,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-03-17 15:41:51,018 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:51,018 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-17 15:41:51,025 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 15:41:51,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-17 15:41:51,219 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:51,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:51,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1338471294, now seen corresponding path program 1 times [2025-03-17 15:41:51,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:51,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936902112] [2025-03-17 15:41:51,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:51,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:51,223 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 15:41:51,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 15:41:51,231 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:51,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:41:51,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [645625846] [2025-03-17 15:41:51,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:51,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:51,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:51,233 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 15:41:51,235 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 15:41:51,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-03-17 15:41:51,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-03-17 15:41:51,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:51,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:51,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:41:51,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:51,328 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:41:51,329 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:41:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-03-17 15:41:51,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:51,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936902112] [2025-03-17 15:41:51,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:41:51,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645625846] [2025-03-17 15:41:51,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645625846] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:41:51,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:41:51,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-03-17 15:41:51,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779214396] [2025-03-17 15:41:51,445 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:41:51,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:41:51,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:51,446 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:41:51,446 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:41:51,446 INFO L87 Difference]: Start difference. First operand 145 states and 155 transitions. Second operand has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-17 15:41:51,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:51,608 INFO L93 Difference]: Finished difference Result 369 states and 404 transitions. [2025-03-17 15:41:51,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:41:51,609 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 68 [2025-03-17 15:41:51,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:51,610 INFO L225 Difference]: With dead ends: 369 [2025-03-17 15:41:51,610 INFO L226 Difference]: Without dead ends: 367 [2025-03-17 15:41:51,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:41:51,611 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 241 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:51,611 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 327 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:51,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2025-03-17 15:41:51,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 243. [2025-03-17 15:41:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 195 states have (on average 1.3282051282051281) internal successors, (259), 223 states have internal predecessors, (259), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 15:41:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 295 transitions. [2025-03-17 15:41:51,623 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 295 transitions. Word has length 68 [2025-03-17 15:41:51,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:51,623 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 295 transitions. [2025-03-17 15:41:51,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.8) internal successors, (99), 6 states have internal predecessors, (99), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-03-17 15:41:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 295 transitions. [2025-03-17 15:41:51,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-17 15:41:51,625 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:51,625 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-03-17 15:41:51,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 15:41:51,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-17 15:41:51,826 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:51,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:51,826 INFO L85 PathProgramCache]: Analyzing trace with hash -2065122902, now seen corresponding path program 1 times [2025-03-17 15:41:51,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:51,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823636180] [2025-03-17 15:41:51,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:51,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:51,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-17 15:41:51,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-17 15:41:51,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:51,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:41:51,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [259168034] [2025-03-17 15:41:51,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:51,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:51,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:51,843 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 15:41:51,845 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 15:41:51,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-17 15:41:51,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-17 15:41:51,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:51,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:51,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:41:51,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:41:51,944 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:41:52,052 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:41:52,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:52,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823636180] [2025-03-17 15:41:52,053 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:41:52,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259168034] [2025-03-17 15:41:52,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259168034] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:41:52,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:41:52,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-03-17 15:41:52,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894331538] [2025-03-17 15:41:52,053 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:41:52,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:41:52,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:52,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:41:52,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:41:52,054 INFO L87 Difference]: Start difference. First operand 243 states and 295 transitions. Second operand has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-17 15:41:52,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:52,256 INFO L93 Difference]: Finished difference Result 331 states and 405 transitions. [2025-03-17 15:41:52,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:41:52,256 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 75 [2025-03-17 15:41:52,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:52,258 INFO L225 Difference]: With dead ends: 331 [2025-03-17 15:41:52,258 INFO L226 Difference]: Without dead ends: 323 [2025-03-17 15:41:52,259 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:41:52,259 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 224 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:52,259 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 259 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:41:52,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2025-03-17 15:41:52,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 243. [2025-03-17 15:41:52,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 199 states have (on average 1.2412060301507537) internal successors, (247), 221 states have internal predecessors, (247), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:41:52,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 287 transitions. [2025-03-17 15:41:52,286 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 287 transitions. Word has length 75 [2025-03-17 15:41:52,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:52,286 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 287 transitions. [2025-03-17 15:41:52,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.6) internal successors, (103), 6 states have internal predecessors, (103), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-03-17 15:41:52,287 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 287 transitions. [2025-03-17 15:41:52,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-03-17 15:41:52,288 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:52,288 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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 15:41:52,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 15:41:52,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:52,489 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:52,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:52,490 INFO L85 PathProgramCache]: Analyzing trace with hash 405699529, now seen corresponding path program 1 times [2025-03-17 15:41:52,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:52,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110449555] [2025-03-17 15:41:52,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:52,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:52,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-17 15:41:52,501 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-17 15:41:52,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:52,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:52,567 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:41:52,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:52,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110449555] [2025-03-17 15:41:52,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110449555] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:41:52,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906234911] [2025-03-17 15:41:52,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:52,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:52,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:52,570 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 15:41:52,571 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 15:41:52,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-03-17 15:41:52,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-03-17 15:41:52,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:52,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:52,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:41:52,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:52,727 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:41:52,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:41:52,821 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:41:52,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906234911] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:41:52,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:41:52,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-03-17 15:41:52,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114191206] [2025-03-17 15:41:52,822 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:41:52,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:41:52,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:52,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:41:52,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:41:52,823 INFO L87 Difference]: Start difference. First operand 243 states and 287 transitions. Second operand has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-03-17 15:41:52,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:52,970 INFO L93 Difference]: Finished difference Result 243 states and 287 transitions. [2025-03-17 15:41:52,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:41:52,971 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 76 [2025-03-17 15:41:52,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:52,974 INFO L225 Difference]: With dead ends: 243 [2025-03-17 15:41:52,974 INFO L226 Difference]: Without dead ends: 240 [2025-03-17 15:41:52,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:41:52,974 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 123 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:52,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 157 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:52,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2025-03-17 15:41:52,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2025-03-17 15:41:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 199 states have (on average 1.2060301507537687) internal successors, (240), 218 states have internal predecessors, (240), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:41:52,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 280 transitions. [2025-03-17 15:41:52,987 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 280 transitions. Word has length 76 [2025-03-17 15:41:52,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:52,987 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 280 transitions. [2025-03-17 15:41:52,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.444444444444445) internal successors, (139), 10 states have internal predecessors, (139), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-03-17 15:41:52,987 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 280 transitions. [2025-03-17 15:41:52,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-03-17 15:41:52,988 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:52,988 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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 15:41:52,994 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 15:41:53,192 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,SelfDestructingSolverStorable16 [2025-03-17 15:41:53,192 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:53,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:53,192 INFO L85 PathProgramCache]: Analyzing trace with hash -308216440, now seen corresponding path program 1 times [2025-03-17 15:41:53,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:53,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565197473] [2025-03-17 15:41:53,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:53,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:53,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 15:41:53,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 15:41:53,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:53,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:53,260 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:41:53,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:53,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565197473] [2025-03-17 15:41:53,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565197473] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:41:53,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526765919] [2025-03-17 15:41:53,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:53,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:53,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:53,266 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 15:41:53,267 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 15:41:53,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-03-17 15:41:53,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-03-17 15:41:53,297 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:53,297 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:53,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:41:53,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:53,422 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:41:53,422 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:41:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:41:53,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526765919] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:41:53,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:41:53,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-03-17 15:41:53,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000921248] [2025-03-17 15:41:53,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:41:53,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:41:53,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:53,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:41:53,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:41:53,511 INFO L87 Difference]: Start difference. First operand 240 states and 280 transitions. Second operand has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-03-17 15:41:53,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:53,708 INFO L93 Difference]: Finished difference Result 295 states and 345 transitions. [2025-03-17 15:41:53,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:41:53,708 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 77 [2025-03-17 15:41:53,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:53,710 INFO L225 Difference]: With dead ends: 295 [2025-03-17 15:41:53,710 INFO L226 Difference]: Without dead ends: 286 [2025-03-17 15:41:53,710 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:41:53,710 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 122 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:53,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 269 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:41:53,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2025-03-17 15:41:53,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 250. [2025-03-17 15:41:53,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 213 states have (on average 1.1220657276995305) internal successors, (239), 226 states have internal predecessors, (239), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:41:53,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 283 transitions. [2025-03-17 15:41:53,721 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 283 transitions. Word has length 77 [2025-03-17 15:41:53,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:53,721 INFO L471 AbstractCegarLoop]: Abstraction has 250 states and 283 transitions. [2025-03-17 15:41:53,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.666666666666666) internal successors, (141), 10 states have internal predecessors, (141), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-03-17 15:41:53,721 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 283 transitions. [2025-03-17 15:41:53,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-03-17 15:41:53,722 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:53,722 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2025-03-17 15:41:53,728 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 15:41:53,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-17 15:41:53,926 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:53,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:53,926 INFO L85 PathProgramCache]: Analyzing trace with hash 156746086, now seen corresponding path program 1 times [2025-03-17 15:41:53,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:53,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14708686] [2025-03-17 15:41:53,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:53,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:53,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 15:41:53,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 15:41:53,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:53,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:53,989 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:41:53,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:53,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14708686] [2025-03-17 15:41:53,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14708686] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:41:53,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634534400] [2025-03-17 15:41:53,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:53,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:53,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:53,991 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 15:41:53,992 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 15:41:54,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-03-17 15:41:54,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-03-17 15:41:54,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:54,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:54,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:41:54,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:41:54,232 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:41:54,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634534400] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:41:54,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:41:54,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-03-17 15:41:54,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791620718] [2025-03-17 15:41:54,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:41:54,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:41:54,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:54,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:41:54,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:41:54,234 INFO L87 Difference]: Start difference. First operand 250 states and 283 transitions. Second operand has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 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 15:41:54,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:54,326 INFO L93 Difference]: Finished difference Result 252 states and 285 transitions. [2025-03-17 15:41:54,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:41:54,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 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 79 [2025-03-17 15:41:54,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:54,327 INFO L225 Difference]: With dead ends: 252 [2025-03-17 15:41:54,327 INFO L226 Difference]: Without dead ends: 208 [2025-03-17 15:41:54,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:41:54,327 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 93 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:54,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 151 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:41:54,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2025-03-17 15:41:54,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2025-03-17 15:41:54,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 181 states have (on average 1.0497237569060773) internal successors, (190), 187 states have internal predecessors, (190), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-03-17 15:41:54,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 226 transitions. [2025-03-17 15:41:54,336 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 226 transitions. Word has length 79 [2025-03-17 15:41:54,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:54,336 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 226 transitions. [2025-03-17 15:41:54,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.4) internal successors, (57), 6 states have internal predecessors, (57), 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 15:41:54,336 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 226 transitions. [2025-03-17 15:41:54,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2025-03-17 15:41:54,337 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:54,337 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1] [2025-03-17 15:41:54,342 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 15:41:54,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:54,537 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:54,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:54,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1521099596, now seen corresponding path program 1 times [2025-03-17 15:41:54,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:54,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813965551] [2025-03-17 15:41:54,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:54,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:54,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-17 15:41:54,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-17 15:41:54,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:54,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:54,649 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:41:54,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:54,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813965551] [2025-03-17 15:41:54,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813965551] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:41:54,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155636600] [2025-03-17 15:41:54,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:41:54,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:54,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:54,652 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 15:41:54,653 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 15:41:54,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 145 statements into 1 equivalence classes. [2025-03-17 15:41:54,710 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 145 of 145 statements. [2025-03-17 15:41:54,710 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:41:54,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:54,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:41:54,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:54,980 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:41:54,980 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:41:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 15:41:55,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155636600] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:41:55,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:41:55,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2025-03-17 15:41:55,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962113851] [2025-03-17 15:41:55,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:41:55,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 15:41:55,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:55,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 15:41:55,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=258, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:41:55,186 INFO L87 Difference]: Start difference. First operand 208 states and 226 transitions. Second operand has 20 states, 19 states have (on average 15.947368421052632) internal successors, (303), 20 states have internal predecessors, (303), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-03-17 15:41:55,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:55,507 INFO L93 Difference]: Finished difference Result 337 states and 377 transitions. [2025-03-17 15:41:55,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 15:41:55,508 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 15.947368421052632) internal successors, (303), 20 states have internal predecessors, (303), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 145 [2025-03-17 15:41:55,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:55,509 INFO L225 Difference]: With dead ends: 337 [2025-03-17 15:41:55,509 INFO L226 Difference]: Without dead ends: 336 [2025-03-17 15:41:55,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=242, Invalid=460, Unknown=0, NotChecked=0, Total=702 [2025-03-17 15:41:55,510 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 107 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:55,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 436 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:41:55,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2025-03-17 15:41:55,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 298. [2025-03-17 15:41:55,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 298 states, 264 states have (on average 1.0643939393939394) internal successors, (281), 270 states have internal predecessors, (281), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2025-03-17 15:41:55,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 331 transitions. [2025-03-17 15:41:55,520 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 331 transitions. Word has length 145 [2025-03-17 15:41:55,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:55,520 INFO L471 AbstractCegarLoop]: Abstraction has 298 states and 331 transitions. [2025-03-17 15:41:55,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 15.947368421052632) internal successors, (303), 20 states have internal predecessors, (303), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-03-17 15:41:55,520 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 331 transitions. [2025-03-17 15:41:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-03-17 15:41:55,521 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:55,521 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1] [2025-03-17 15:41:55,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-17 15:41:55,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:55,722 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:55,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:55,722 INFO L85 PathProgramCache]: Analyzing trace with hash 486146306, now seen corresponding path program 2 times [2025-03-17 15:41:55,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:55,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827258666] [2025-03-17 15:41:55,723 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:41:55,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:55,728 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 173 statements into 2 equivalence classes. [2025-03-17 15:41:55,736 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 173 of 173 statements. [2025-03-17 15:41:55,736 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:41:55,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 15:41:55,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:55,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827258666] [2025-03-17 15:41:55,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827258666] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:41:55,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582901109] [2025-03-17 15:41:55,887 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:41:55,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:55,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:55,890 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 15:41:55,891 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 15:41:55,914 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 173 statements into 2 equivalence classes. [2025-03-17 15:41:55,938 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 173 of 173 statements. [2025-03-17 15:41:55,938 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:41:55,938 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:55,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:41:55,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:56,252 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 15:41:56,253 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:41:56,473 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 15:41:56,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582901109] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:41:56,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:41:56,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2025-03-17 15:41:56,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912618994] [2025-03-17 15:41:56,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:41:56,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-03-17 15:41:56,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:56,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-03-17 15:41:56,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2025-03-17 15:41:56,475 INFO L87 Difference]: Start difference. First operand 298 states and 331 transitions. Second operand has 22 states, 21 states have (on average 16.142857142857142) internal successors, (339), 22 states have internal predecessors, (339), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2025-03-17 15:41:56,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:56,905 INFO L93 Difference]: Finished difference Result 378 states and 419 transitions. [2025-03-17 15:41:56,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 15:41:56,905 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.142857142857142) internal successors, (339), 22 states have internal predecessors, (339), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 173 [2025-03-17 15:41:56,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:56,907 INFO L225 Difference]: With dead ends: 378 [2025-03-17 15:41:56,907 INFO L226 Difference]: Without dead ends: 354 [2025-03-17 15:41:56,907 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=309, Invalid=621, Unknown=0, NotChecked=0, Total=930 [2025-03-17 15:41:56,908 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 282 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 585 SdHoareTripleChecker+Invalid, 490 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:56,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 585 Invalid, 490 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:41:56,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2025-03-17 15:41:56,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 318. [2025-03-17 15:41:56,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 282 states have (on average 1.0602836879432624) internal successors, (299), 288 states have internal predecessors, (299), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-03-17 15:41:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 353 transitions. [2025-03-17 15:41:56,920 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 353 transitions. Word has length 173 [2025-03-17 15:41:56,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:56,920 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 353 transitions. [2025-03-17 15:41:56,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.142857142857142) internal successors, (339), 22 states have internal predecessors, (339), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2025-03-17 15:41:56,920 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 353 transitions. [2025-03-17 15:41:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2025-03-17 15:41:56,921 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:56,921 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2025-03-17 15:41:56,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-17 15:41:57,125 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,SelfDestructingSolverStorable20 [2025-03-17 15:41:57,125 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:57,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:57,125 INFO L85 PathProgramCache]: Analyzing trace with hash 460493419, now seen corresponding path program 2 times [2025-03-17 15:41:57,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:57,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744799301] [2025-03-17 15:41:57,125 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:41:57,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:57,131 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 212 statements into 2 equivalence classes. [2025-03-17 15:41:57,148 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 212 of 212 statements. [2025-03-17 15:41:57,148 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:41:57,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:41:57,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1560617554] [2025-03-17 15:41:57,149 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:41:57,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:57,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:57,151 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 15:41:57,152 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 15:41:57,174 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 212 statements into 2 equivalence classes. [2025-03-17 15:41:57,202 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 212 of 212 statements. [2025-03-17 15:41:57,202 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:41:57,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:57,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-17 15:41:57,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:57,374 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-17 15:41:57,374 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:41:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-17 15:41:57,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:57,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744799301] [2025-03-17 15:41:57,655 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:41:57,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560617554] [2025-03-17 15:41:57,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560617554] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:41:57,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:41:57,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-17 15:41:57,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145585933] [2025-03-17 15:41:57,655 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:41:57,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:41:57,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:57,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:41:57,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:41:57,656 INFO L87 Difference]: Start difference. First operand 318 states and 353 transitions. Second operand has 12 states, 11 states have (on average 27.0) internal successors, (297), 12 states have internal predecessors, (297), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2025-03-17 15:41:58,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:58,125 INFO L93 Difference]: Finished difference Result 511 states and 564 transitions. [2025-03-17 15:41:58,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:41:58,129 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.0) internal successors, (297), 12 states have internal predecessors, (297), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 212 [2025-03-17 15:41:58,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:58,130 INFO L225 Difference]: With dead ends: 511 [2025-03-17 15:41:58,130 INFO L226 Difference]: Without dead ends: 509 [2025-03-17 15:41:58,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 426 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:41:58,132 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 433 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 572 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 572 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:58,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 826 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 572 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:41:58,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2025-03-17 15:41:58,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 432. [2025-03-17 15:41:58,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 387 states have (on average 1.0594315245478036) internal successors, (410), 393 states have internal predecessors, (410), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-17 15:41:58,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 482 transitions. [2025-03-17 15:41:58,148 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 482 transitions. Word has length 212 [2025-03-17 15:41:58,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:58,150 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 482 transitions. [2025-03-17 15:41:58,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.0) internal successors, (297), 12 states have internal predecessors, (297), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2025-03-17 15:41:58,150 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 482 transitions. [2025-03-17 15:41:58,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2025-03-17 15:41:58,151 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:58,151 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1] [2025-03-17 15:41:58,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-17 15:41:58,352 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,SelfDestructingSolverStorable21 [2025-03-17 15:41:58,352 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:58,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:58,352 INFO L85 PathProgramCache]: Analyzing trace with hash -700388447, now seen corresponding path program 2 times [2025-03-17 15:41:58,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:58,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147881117] [2025-03-17 15:41:58,352 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:41:58,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:58,358 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 219 statements into 2 equivalence classes. [2025-03-17 15:41:58,375 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 219 of 219 statements. [2025-03-17 15:41:58,375 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:41:58,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:41:58,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1140975786] [2025-03-17 15:41:58,376 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:41:58,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:58,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:58,378 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 15:41:58,380 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 15:41:58,402 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 219 statements into 2 equivalence classes. [2025-03-17 15:41:58,437 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 219 of 219 statements. [2025-03-17 15:41:58,438 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:41:58,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:58,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-17 15:41:58,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-03-17 15:41:58,590 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:41:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-03-17 15:41:58,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:58,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147881117] [2025-03-17 15:41:58,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:41:58,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140975786] [2025-03-17 15:41:58,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140975786] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:41:58,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:41:58,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-03-17 15:41:58,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713083596] [2025-03-17 15:41:58,837 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:41:58,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 15:41:58,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:41:58,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 15:41:58,837 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:41:58,838 INFO L87 Difference]: Start difference. First operand 432 states and 482 transitions. Second operand has 12 states, 11 states have (on average 27.363636363636363) internal successors, (301), 12 states have internal predecessors, (301), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2025-03-17 15:41:59,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:41:59,193 INFO L93 Difference]: Finished difference Result 504 states and 562 transitions. [2025-03-17 15:41:59,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:41:59,194 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.363636363636363) internal successors, (301), 12 states have internal predecessors, (301), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 219 [2025-03-17 15:41:59,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:41:59,196 INFO L225 Difference]: With dead ends: 504 [2025-03-17 15:41:59,196 INFO L226 Difference]: Without dead ends: 460 [2025-03-17 15:41:59,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:41:59,196 INFO L435 NwaCegarLoop]: 151 mSDtfsCounter, 383 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 882 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:41:59,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 882 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:41:59,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2025-03-17 15:41:59,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 424. [2025-03-17 15:41:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 379 states have (on average 1.0395778364116095) internal successors, (394), 385 states have internal predecessors, (394), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-17 15:41:59,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 466 transitions. [2025-03-17 15:41:59,221 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 466 transitions. Word has length 219 [2025-03-17 15:41:59,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:41:59,221 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 466 transitions. [2025-03-17 15:41:59,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.363636363636363) internal successors, (301), 12 states have internal predecessors, (301), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2025-03-17 15:41:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 466 transitions. [2025-03-17 15:41:59,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2025-03-17 15:41:59,224 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:41:59,224 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1] [2025-03-17 15:41:59,231 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 15:41:59,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:59,428 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:41:59,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:41:59,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1165801536, now seen corresponding path program 2 times [2025-03-17 15:41:59,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:41:59,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125599290] [2025-03-17 15:41:59,429 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:41:59,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:41:59,436 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 337 statements into 2 equivalence classes. [2025-03-17 15:41:59,447 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 337 of 337 statements. [2025-03-17 15:41:59,447 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:41:59,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:59,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2025-03-17 15:41:59,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:41:59,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125599290] [2025-03-17 15:41:59,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125599290] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:41:59,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125326448] [2025-03-17 15:41:59,577 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:41:59,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:41:59,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:41:59,579 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 15:41:59,581 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 15:41:59,610 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 337 statements into 2 equivalence classes. [2025-03-17 15:41:59,650 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 337 of 337 statements. [2025-03-17 15:41:59,651 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:41:59,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:41:59,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:41:59,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:41:59,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2025-03-17 15:41:59,900 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:42:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2025-03-17 15:42:00,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125326448] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:42:00,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:42:00,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-17 15:42:00,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661003697] [2025-03-17 15:42:00,144 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:42:00,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:42:00,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:42:00,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:42:00,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:42:00,148 INFO L87 Difference]: Start difference. First operand 424 states and 466 transitions. Second operand has 13 states, 12 states have (on average 8.916666666666666) internal successors, (107), 13 states have internal predecessors, (107), 5 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-17 15:42:00,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:42:00,241 INFO L93 Difference]: Finished difference Result 424 states and 466 transitions. [2025-03-17 15:42:00,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:42:00,241 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.916666666666666) internal successors, (107), 13 states have internal predecessors, (107), 5 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) Word has length 337 [2025-03-17 15:42:00,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:42:00,243 INFO L225 Difference]: With dead ends: 424 [2025-03-17 15:42:00,243 INFO L226 Difference]: Without dead ends: 423 [2025-03-17 15:42:00,243 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 681 GetRequests, 666 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:42:00,243 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 251 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:42:00,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 167 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:42:00,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2025-03-17 15:42:00,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2025-03-17 15:42:00,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 379 states have (on average 1.029023746701847) internal successors, (390), 384 states have internal predecessors, (390), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-03-17 15:42:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 462 transitions. [2025-03-17 15:42:00,258 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 462 transitions. Word has length 337 [2025-03-17 15:42:00,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:42:00,258 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 462 transitions. [2025-03-17 15:42:00,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.916666666666666) internal successors, (107), 13 states have internal predecessors, (107), 5 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 5 states have call predecessors, (9), 5 states have call successors, (9) [2025-03-17 15:42:00,258 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 462 transitions. [2025-03-17 15:42:00,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2025-03-17 15:42:00,262 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:42:00,262 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1] [2025-03-17 15:42:00,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-17 15:42:00,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:42:00,463 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:42:00,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:42:00,463 INFO L85 PathProgramCache]: Analyzing trace with hash 151805942, now seen corresponding path program 3 times [2025-03-17 15:42:00,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:42:00,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132520617] [2025-03-17 15:42:00,464 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:42:00,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:42:00,475 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 365 statements into 10 equivalence classes. [2025-03-17 15:42:00,494 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 134 of 365 statements. [2025-03-17 15:42:00,495 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-03-17 15:42:00,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:42:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 51 proven. 466 refuted. 0 times theorem prover too weak. 1391 trivial. 0 not checked. [2025-03-17 15:42:00,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:42:00,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132520617] [2025-03-17 15:42:00,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132520617] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:42:00,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147875908] [2025-03-17 15:42:00,655 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:42:00,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:42:00,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:42:00,657 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 15:42:00,658 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 15:42:00,688 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 365 statements into 10 equivalence classes. [2025-03-17 15:42:00,699 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 49 of 365 statements. [2025-03-17 15:42:00,699 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 15:42:00,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:42:00,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 15:42:00,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:42:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 126 proven. 176 refuted. 0 times theorem prover too weak. 1606 trivial. 0 not checked. [2025-03-17 15:42:01,038 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:42:25,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147875908] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:42:25,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:42:25,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8] total 15 [2025-03-17 15:42:25,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980566792] [2025-03-17 15:42:25,221 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:42:25,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-17 15:42:25,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:42:25,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-17 15:42:25,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=392, Unknown=0, NotChecked=0, Total=462 [2025-03-17 15:42:25,222 INFO L87 Difference]: Start difference. First operand 423 states and 462 transitions. Second operand has 16 states, 15 states have (on average 9.0) internal successors, (135), 16 states have internal predecessors, (135), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2025-03-17 15:42:25,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:42:25,680 INFO L93 Difference]: Finished difference Result 423 states and 462 transitions. [2025-03-17 15:42:25,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:42:25,680 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.0) internal successors, (135), 16 states have internal predecessors, (135), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 365 [2025-03-17 15:42:25,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:42:25,683 INFO L225 Difference]: With dead ends: 423 [2025-03-17 15:42:25,683 INFO L226 Difference]: Without dead ends: 405 [2025-03-17 15:42:25,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=616, Unknown=0, NotChecked=0, Total=812 [2025-03-17 15:42:25,684 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 395 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:42:25,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 145 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:42:25,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-03-17 15:42:25,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2025-03-17 15:42:25,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 365 states have (on average 1.010958904109589) internal successors, (369), 368 states have internal predecessors, (369), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 15:42:25,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 437 transitions. [2025-03-17 15:42:25,720 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 437 transitions. Word has length 365 [2025-03-17 15:42:25,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:42:25,720 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 437 transitions. [2025-03-17 15:42:25,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.0) internal successors, (135), 16 states have internal predecessors, (135), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2025-03-17 15:42:25,720 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 437 transitions. [2025-03-17 15:42:25,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2025-03-17 15:42:25,725 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:42:25,725 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2025-03-17 15:42:25,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-17 15:42:25,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-03-17 15:42:25,926 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:42:25,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:42:25,927 INFO L85 PathProgramCache]: Analyzing trace with hash -353953731, now seen corresponding path program 3 times [2025-03-17 15:42:25,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:42:25,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668804657] [2025-03-17 15:42:25,927 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:42:25,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:42:25,938 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 500 statements into 15 equivalence classes. [2025-03-17 15:42:26,048 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 472 of 500 statements. [2025-03-17 15:42:26,049 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-03-17 15:42:26,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:42:27,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 1706 proven. 64 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2025-03-17 15:42:27,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:42:27,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668804657] [2025-03-17 15:42:27,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668804657] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:42:27,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248007645] [2025-03-17 15:42:27,250 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:42:27,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:42:27,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:42:27,252 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 15:42:27,254 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 15:42:27,291 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 500 statements into 15 equivalence classes. [2025-03-17 15:42:27,307 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 77 of 500 statements. [2025-03-17 15:42:27,307 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-17 15:42:27,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:42:27,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 15:42:27,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:42:27,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2025-03-17 15:42:27,564 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:42:27,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248007645] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:42:27,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:42:27,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [31] total 37 [2025-03-17 15:42:27,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520494540] [2025-03-17 15:42:27,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:42:27,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:42:27,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:42:27,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:42:27,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=232, Invalid=1100, Unknown=0, NotChecked=0, Total=1332 [2025-03-17 15:42:27,566 INFO L87 Difference]: Start difference. First operand 405 states and 437 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:42:28,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:42:28,343 INFO L93 Difference]: Finished difference Result 407 states and 439 transitions. [2025-03-17 15:42:28,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:42:28,343 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 500 [2025-03-17 15:42:28,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:42:28,345 INFO L225 Difference]: With dead ends: 407 [2025-03-17 15:42:28,345 INFO L226 Difference]: Without dead ends: 405 [2025-03-17 15:42:28,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 497 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=246, Invalid=1314, Unknown=0, NotChecked=0, Total=1560 [2025-03-17 15:42:28,346 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 113 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 15:42:28,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 80 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 15:42:28,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2025-03-17 15:42:28,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 403. [2025-03-17 15:42:28,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 365 states have (on average 1.0054794520547945) internal successors, (367), 366 states have internal predecessors, (367), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2025-03-17 15:42:28,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 435 transitions. [2025-03-17 15:42:28,385 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 435 transitions. Word has length 500 [2025-03-17 15:42:28,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:42:28,386 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 435 transitions. [2025-03-17 15:42:28,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2025-03-17 15:42:28,386 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 435 transitions. [2025-03-17 15:42:28,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2025-03-17 15:42:28,388 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:42:28,388 INFO L218 NwaCegarLoop]: trace histogram [32, 32, 32, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1] [2025-03-17 15:42:28,394 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 15:42:28,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-03-17 15:42:28,593 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2025-03-17 15:42:28,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:42:28,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1353476721, now seen corresponding path program 3 times [2025-03-17 15:42:28,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:42:28,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600696005] [2025-03-17 15:42:28,593 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:42:28,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:42:28,605 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 507 statements into 15 equivalence classes. [2025-03-17 15:42:28,722 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 479 of 507 statements. [2025-03-17 15:42:28,722 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-03-17 15:42:28,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:42:29,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 1736 proven. 64 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2025-03-17 15:42:29,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:42:29,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600696005] [2025-03-17 15:42:29,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600696005] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:42:29,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289210791] [2025-03-17 15:42:29,705 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:42:29,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:42:29,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:42:29,707 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 15:42:29,708 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 15:42:29,742 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 507 statements into 15 equivalence classes. [2025-03-17 15:42:29,761 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 47 of 507 statements. [2025-03-17 15:42:29,762 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-03-17 15:42:29,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:42:29,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 15:42:29,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:42:30,197 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 180 proven. 234 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2025-03-17 15:42:30,197 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:42:32,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289210791] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:42:32,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:42:32,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 8] total 38 [2025-03-17 15:42:32,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489306147] [2025-03-17 15:42:32,080 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:42:32,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-03-17 15:42:32,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:42:32,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-03-17 15:42:32,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=1631, Unknown=0, NotChecked=0, Total=1892 [2025-03-17 15:42:32,083 INFO L87 Difference]: Start difference. First operand 403 states and 435 transitions. Second operand has 38 states, 38 states have (on average 10.789473684210526) internal successors, (410), 38 states have internal predecessors, (410), 14 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 14 states have call predecessors, (37), 14 states have call successors, (37) [2025-03-17 15:42:35,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:42:35,805 INFO L93 Difference]: Finished difference Result 485 states and 510 transitions. [2025-03-17 15:42:35,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2025-03-17 15:42:35,806 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 38 states have (on average 10.789473684210526) internal successors, (410), 38 states have internal predecessors, (410), 14 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 14 states have call predecessors, (37), 14 states have call successors, (37) Word has length 507 [2025-03-17 15:42:35,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:42:35,807 INFO L225 Difference]: With dead ends: 485 [2025-03-17 15:42:35,807 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 15:42:35,812 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 673 GetRequests, 529 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6838 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=2945, Invalid=18225, Unknown=0, NotChecked=0, Total=21170 [2025-03-17 15:42:35,812 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 270 mSDsluCounter, 811 mSDsCounter, 0 mSdLazyCounter, 3789 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 903 SdHoareTripleChecker+Invalid, 3863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 3789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:42:35,812 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 903 Invalid, 3863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 3789 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-17 15:42:35,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 15:42:35,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 15:42:35,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-17 15:42:35,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 15:42:35,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 507 [2025-03-17 15:42:35,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:42:35,813 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 15:42:35,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 10.789473684210526) internal successors, (410), 38 states have internal predecessors, (410), 14 states have call successors, (37), 1 states have call predecessors, (37), 2 states have return successors, (37), 14 states have call predecessors, (37), 14 states have call successors, (37) [2025-03-17 15:42:35,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 15:42:35,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 15:42:35,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2025-03-17 15:42:35,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2025-03-17 15:42:35,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2025-03-17 15:42:35,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2025-03-17 15:42:35,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2025-03-17 15:42:35,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2025-03-17 15:42:35,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2025-03-17 15:42:35,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2025-03-17 15:42:35,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2025-03-17 15:42:35,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2025-03-17 15:42:35,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2025-03-17 15:42:35,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2025-03-17 15:42:35,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2025-03-17 15:42:35,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2025-03-17 15:42:35,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2025-03-17 15:42:35,818 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2025-03-17 15:42:35,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2025-03-17 15:42:35,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2025-03-17 15:42:35,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2025-03-17 15:42:35,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2025-03-17 15:42:35,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2025-03-17 15:42:35,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2025-03-17 15:42:35,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2025-03-17 15:42:35,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2025-03-17 15:42:35,819 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2025-03-17 15:42:35,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2025-03-17 15:42:35,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2025-03-17 15:42:35,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2025-03-17 15:42:35,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2025-03-17 15:42:35,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2025-03-17 15:42:35,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2025-03-17 15:42:35,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2025-03-17 15:42:35,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2025-03-17 15:42:35,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2025-03-17 15:42:35,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2025-03-17 15:42:35,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2025-03-17 15:42:35,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2025-03-17 15:42:35,821 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2025-03-17 15:42:35,826 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 15:42:36,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-03-17 15:42:36,023 INFO L422 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:42:36,026 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 15:42:44,040 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 15:42:44,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 03:42:44 BoogieIcfgContainer [2025-03-17 15:42:44,066 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 15:42:44,066 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 15:42:44,066 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 15:42:44,067 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 15:42:44,067 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:41:43" (3/4) ... [2025-03-17 15:42:44,069 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 15:42:44,073 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-03-17 15:42:44,078 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-03-17 15:42:44,079 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-03-17 15:42:44,079 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 15:42:44,079 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 15:42:44,140 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 15:42:44,140 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 15:42:44,140 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 15:42:44,141 INFO L158 Benchmark]: Toolchain (without parser) took 61314.53ms. Allocated memory was 142.6MB in the beginning and 528.5MB in the end (delta: 385.9MB). Free memory was 105.6MB in the beginning and 395.0MB in the end (delta: -289.4MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2025-03-17 15:42:44,141 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:42:44,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 156.64ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 94.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:42:44,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.55ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 93.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 15:42:44,141 INFO L158 Benchmark]: Boogie Preprocessor took 22.74ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 92.1MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:42:44,141 INFO L158 Benchmark]: IcfgBuilder took 366.26ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 73.3MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-03-17 15:42:44,141 INFO L158 Benchmark]: TraceAbstraction took 60669.64ms. Allocated memory was 142.6MB in the beginning and 528.5MB in the end (delta: 385.9MB). Free memory was 73.3MB in the beginning and 403.3MB in the end (delta: -330.0MB). Peak memory consumption was 225.0MB. Max. memory is 16.1GB. [2025-03-17 15:42:44,141 INFO L158 Benchmark]: Witness Printer took 73.80ms. Allocated memory is still 528.5MB. Free memory was 403.3MB in the beginning and 395.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 15:42:44,142 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 201.3MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 156.64ms. Allocated memory is still 142.6MB. Free memory was 105.6MB in the beginning and 94.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.55ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 93.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.74ms. Allocated memory is still 142.6MB. Free memory was 93.2MB in the beginning and 92.1MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 366.26ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 73.3MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 60669.64ms. Allocated memory was 142.6MB in the beginning and 528.5MB in the end (delta: 385.9MB). Free memory was 73.3MB in the beginning and 403.3MB in the end (delta: -330.0MB). Peak memory consumption was 225.0MB. Max. memory is 16.1GB. * Witness Printer took 73.80ms. Allocated memory is still 528.5MB. Free memory was 403.3MB in the beginning and 395.0MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 121 locations, 135 edges, 52 error locations. Started 1 CEGAR loops. OverallTime: 52.6s, OverallIterations: 27, TraceHistogramMax: 32, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 3884 SdHoareTripleChecker+Valid, 9.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3811 mSDsluCounter, 8199 SdHoareTripleChecker+Invalid, 8.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5932 mSDsCounter, 543 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8133 IncrementalHoareTripleChecker+Invalid, 8677 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 543 mSolverCounterUnsat, 2267 mSDtfsCounter, 8133 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4812 GetRequests, 4427 SyntacticMatches, 0 SemanticMatches, 385 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8120 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=432occurred in iteration=22, InterpolantAutomatonStates: 279, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 27 MinimizatonAttempts, 674 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 34.3s InterpolantComputationTime, 6312 NumberOfCodeBlocks, 4826 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 7079 ConstructedInterpolants, 4 QuantifiedInterpolants, 24628 SizeOfPredicates, 16 NumberOfNonLiveVariables, 3172 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 49 InterpolantComputations, 15 PerfectInterpolantSequences, 25295/28663 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 52 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((((((((((((((((n <= 2147483647) && (counter <= 10)) && (3 <= t)) && (7 <= counter)) && ((((__int128) a * a) + ((__int128) 6 * a)) <= 9223372036854775798)) && (0 <= a)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1))) || ((((((n <= 2147483647) && (counter <= 10)) && (16 == s)) && (7 == t)) && (3 == a)) && (3 <= counter))) || ((((((n <= 2147483647) && (2 <= counter)) && (counter <= 10)) && (5 == t)) && (9 == s)) && (2 == a))) || ((((((((n <= 2147483647) && (counter <= 10)) && (6 <= counter)) && (3 <= t)) && ((((__int128) a * 8) + ((__int128) a * a)) <= 9223372036854775791)) && (0 <= a)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1)))) || (((((((n <= 2147483647) && (counter == 10)) && (3 <= t)) && (a <= 4611686018427387903)) && (0 <= a)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1)))) || ((((((n <= 2147483647) && (counter <= 10)) && (s == 25)) && (9 == t)) && (4 <= counter)) && (a == 4))) || ((((((((n <= 2147483647) && (counter <= 10)) && (3 <= t)) && (8 <= counter)) && (0 <= a)) && (s <= ((__int128) 2147483647 + t))) && ((((__int128) a * a) + ((__int128) a * 4)) <= 9223372036854775803)) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1)))) || ((((((n <= 2147483647) && (counter <= 10)) && (3 == t)) && (a == 1)) && (1 <= counter)) && (s == 4))) || (((((n <= 2147483647) && (t == 1)) && (counter == 0)) && (a == 0)) && (s == 1))) || ((((((((n <= 2147483647) && (counter <= 10)) && (9 <= counter)) && (3 <= t)) && ((((__int128) a * a) + ((__int128) 2 * a)) <= 9223372036854775806)) && (0 <= a)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1)))) || ((((((((n <= 2147483647) && (counter <= 10)) && (3 <= t)) && (0 <= a)) && (5 <= counter)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1))) && ((((__int128) a * 10) + ((__int128) a * a)) <= 9223372036854775782))) RESULT: Ultimate proved your program to be correct! [2025-03-17 15:42:44,173 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE