./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loop-zilu/benchmark38_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e2fb8bed 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/loop-zilu/benchmark38_conjunctive.i -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 366d45071e2a444aa552f231e24508af3eb704e415c6b738128a0398e54b53a7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-09 01:59:47,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-09 01:59:47,183 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-09 01:59:47,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-09 01:59:47,190 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-09 01:59:47,210 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-09 01:59:47,211 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-09 01:59:47,211 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-09 01:59:47,211 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-09 01:59:47,211 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-09 01:59:47,212 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-09 01:59:47,212 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-09 01:59:47,213 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-09 01:59:47,213 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-09 01:59:47,213 INFO L153 SettingsManager]: * Use SBE=true [2025-03-09 01:59:47,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-09 01:59:47,213 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-09 01:59:47,213 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-09 01:59:47,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-09 01:59:47,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-09 01:59:47,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-09 01:59:47,214 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-09 01:59:47,214 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-09 01:59:47,214 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-09 01:59:47,214 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-09 01:59:47,214 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-09 01:59:47,214 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-09 01:59:47,214 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-09 01:59:47,214 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-09 01:59:47,214 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-09 01:59:47,214 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-09 01:59:47,214 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-09 01:59:47,215 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-09 01:59:47,215 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-09 01:59:47,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:59:47,215 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-09 01:59:47,215 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-09 01:59:47,215 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-09 01:59:47,216 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-09 01:59:47,216 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-09 01:59:47,216 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-09 01:59:47,216 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-09 01:59:47,216 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-09 01:59:47,216 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-09 01:59:47,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-09 01:59:47,216 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 -> 366d45071e2a444aa552f231e24508af3eb704e415c6b738128a0398e54b53a7 [2025-03-09 01:59:47,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-09 01:59:47,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-09 01:59:47,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-09 01:59:47,411 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-09 01:59:47,411 INFO L274 PluginConnector]: CDTParser initialized [2025-03-09 01:59:47,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-zilu/benchmark38_conjunctive.i [2025-03-09 01:59:48,501 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09b2f85e0/73f5b94d4c5b42bf99c2230347073564/FLAG695bd8fab [2025-03-09 01:59:48,689 INFO L384 CDTParser]: Found 1 translation units. [2025-03-09 01:59:48,690 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-zilu/benchmark38_conjunctive.i [2025-03-09 01:59:48,699 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09b2f85e0/73f5b94d4c5b42bf99c2230347073564/FLAG695bd8fab [2025-03-09 01:59:49,070 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09b2f85e0/73f5b94d4c5b42bf99c2230347073564 [2025-03-09 01:59:49,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-09 01:59:49,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-09 01:59:49,073 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-09 01:59:49,074 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-09 01:59:49,077 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-09 01:59:49,077 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b0e1fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49, skipping insertion in model container [2025-03-09 01:59:49,078 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-09 01:59:49,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:59:49,198 INFO L200 MainTranslator]: Completed pre-run [2025-03-09 01:59:49,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-09 01:59:49,220 INFO L204 MainTranslator]: Completed translation [2025-03-09 01:59:49,221 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49 WrapperNode [2025-03-09 01:59:49,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-09 01:59:49,222 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-09 01:59:49,222 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-09 01:59:49,222 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-09 01:59:49,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,242 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2025-03-09 01:59:49,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-09 01:59:49,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-09 01:59:49,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-09 01:59:49,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-09 01:59:49,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,266 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]. [2025-03-09 01:59:49,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,268 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-09 01:59:49,273 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-09 01:59:49,274 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-09 01:59:49,274 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-09 01:59:49,274 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49" (1/1) ... [2025-03-09 01:59:49,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-09 01:59:49,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:59:49,301 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) [2025-03-09 01:59:49,307 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 [2025-03-09 01:59:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-09 01:59:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-09 01:59:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-09 01:59:49,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-09 01:59:49,365 INFO L256 CfgBuilder]: Building ICFG [2025-03-09 01:59:49,367 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-09 01:59:49,484 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2025-03-09 01:59:49,484 INFO L307 CfgBuilder]: Performing block encoding [2025-03-09 01:59:49,489 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-09 01:59:49,490 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-09 01:59:49,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:59:49 BoogieIcfgContainer [2025-03-09 01:59:49,490 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-09 01:59:49,492 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-09 01:59:49,492 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-09 01:59:49,495 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-09 01:59:49,495 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.03 01:59:49" (1/3) ... [2025-03-09 01:59:49,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148d9c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:59:49, skipping insertion in model container [2025-03-09 01:59:49,497 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.03 01:59:49" (2/3) ... [2025-03-09 01:59:49,497 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148d9c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.03 01:59:49, skipping insertion in model container [2025-03-09 01:59:49,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.03 01:59:49" (3/3) ... [2025-03-09 01:59:49,499 INFO L128 eAbstractionObserver]: Analyzing ICFG benchmark38_conjunctive.i [2025-03-09 01:59:49,510 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-09 01:59:49,511 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG benchmark38_conjunctive.i that has 1 procedures, 24 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2025-03-09 01:59:49,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-09 01:59:49,559 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;@2157a6b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-09 01:59:49,560 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-03-09 01:59:49,563 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 23 states have internal predecessors, (28), 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) [2025-03-09 01:59:49,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-03-09 01:59:49,567 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:49,567 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-03-09 01:59:49,569 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:49,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:49,574 INFO L85 PathProgramCache]: Analyzing trace with hash 55317806, now seen corresponding path program 1 times [2025-03-09 01:59:49,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:49,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000371943] [2025-03-09 01:59:49,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:59:49,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:49,620 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-03-09 01:59:49,628 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-03-09 01:59:49,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:59:49,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:49,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:49,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:49,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000371943] [2025-03-09 01:59:49,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000371943] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:59:49,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:59:49,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:59:49,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988999284] [2025-03-09 01:59:49,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:59:49,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-09 01:59:49,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:49,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-09 01:59:49,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 01:59:49,672 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 23 states have internal predecessors, (28), 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) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2025-03-09 01:59:49,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:49,678 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2025-03-09 01:59:49,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-09 01:59:49,680 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2025-03-09 01:59:49,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:49,683 INFO L225 Difference]: With dead ends: 34 [2025-03-09 01:59:49,683 INFO L226 Difference]: Without dead ends: 17 [2025-03-09 01:59:49,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-09 01:59:49,686 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:49,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:59:49,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-03-09 01:59:49,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-03-09 01:59:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 16 states have internal predecessors, (17), 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) [2025-03-09 01:59:49,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2025-03-09 01:59:49,705 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 5 [2025-03-09 01:59:49,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:49,705 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2025-03-09 01:59:49,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2025-03-09 01:59:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2025-03-09 01:59:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-09 01:59:49,706 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:49,706 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 01:59:49,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-09 01:59:49,706 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:49,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:49,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1714851323, now seen corresponding path program 1 times [2025-03-09 01:59:49,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:49,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506601979] [2025-03-09 01:59:49,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:59:49,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:49,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 01:59:49,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 01:59:49,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:59:49,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:49,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:49,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:49,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506601979] [2025-03-09 01:59:49,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506601979] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:59:49,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:59:49,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:59:49,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668840101] [2025-03-09 01:59:49,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:59:49,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:59:49,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:49,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:59:49,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:59:49,760 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:59:49,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:49,775 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2025-03-09 01:59:49,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:59:49,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-09 01:59:49,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:49,776 INFO L225 Difference]: With dead ends: 17 [2025-03-09 01:59:49,776 INFO L226 Difference]: Without dead ends: 16 [2025-03-09 01:59:49,777 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 [2025-03-09 01:59:49,777 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:49,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:59:49,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2025-03-09 01:59:49,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2025-03-09 01:59:49,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 15 states have internal predecessors, (16), 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) [2025-03-09 01:59:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2025-03-09 01:59:49,779 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 6 [2025-03-09 01:59:49,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:49,780 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2025-03-09 01:59:49,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:59:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2025-03-09 01:59:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-09 01:59:49,780 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:49,780 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-09 01:59:49,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-09 01:59:49,780 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:49,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:49,781 INFO L85 PathProgramCache]: Analyzing trace with hash 1714851346, now seen corresponding path program 1 times [2025-03-09 01:59:49,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:49,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502926599] [2025-03-09 01:59:49,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:59:49,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:49,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-09 01:59:49,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-09 01:59:49,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:59:49,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:49,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:49,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:49,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502926599] [2025-03-09 01:59:49,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502926599] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:59:49,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:59:49,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:59:49,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107552644] [2025-03-09 01:59:49,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:59:49,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:59:49,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:49,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:59:49,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:59:49,818 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:59:49,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:49,833 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2025-03-09 01:59:49,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:59:49,833 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-03-09 01:59:49,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:49,834 INFO L225 Difference]: With dead ends: 24 [2025-03-09 01:59:49,834 INFO L226 Difference]: Without dead ends: 23 [2025-03-09 01:59:49,834 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 [2025-03-09 01:59:49,834 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:49,835 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 22 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:59:49,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-03-09 01:59:49,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 19. [2025-03-09 01:59:49,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 18 states have internal predecessors, (20), 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) [2025-03-09 01:59:49,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2025-03-09 01:59:49,837 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 6 [2025-03-09 01:59:49,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:49,837 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2025-03-09 01:59:49,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-09 01:59:49,838 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2025-03-09 01:59:49,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 01:59:49,840 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:49,840 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:59:49,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-09 01:59:49,840 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:49,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:49,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1620783447, now seen corresponding path program 1 times [2025-03-09 01:59:49,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:49,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428774631] [2025-03-09 01:59:49,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:59:49,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:49,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:59:49,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:59:49,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:59:49,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:49,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:49,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:49,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428774631] [2025-03-09 01:59:49,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428774631] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:59:49,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:59:49,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:59:49,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746944792] [2025-03-09 01:59:49,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:59:49,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:59:49,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:49,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:59:49,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:59:49,873 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2025-03-09 01:59:49,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:49,887 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2025-03-09 01:59:49,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:59:49,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2025-03-09 01:59:49,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:49,888 INFO L225 Difference]: With dead ends: 24 [2025-03-09 01:59:49,888 INFO L226 Difference]: Without dead ends: 23 [2025-03-09 01:59:49,888 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 [2025-03-09 01:59:49,889 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 3 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:49,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 25 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:59:49,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-03-09 01:59:49,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2025-03-09 01:59:49,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 16 states have (on average 1.375) internal successors, (22), 20 states have internal predecessors, (22), 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) [2025-03-09 01:59:49,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2025-03-09 01:59:49,891 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 7 [2025-03-09 01:59:49,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:49,892 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2025-03-09 01:59:49,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2025-03-09 01:59:49,892 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2025-03-09 01:59:49,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-03-09 01:59:49,892 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:49,892 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:59:49,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-09 01:59:49,893 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:49,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:49,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1620784152, now seen corresponding path program 1 times [2025-03-09 01:59:49,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:49,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451613960] [2025-03-09 01:59:49,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:59:49,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:49,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-03-09 01:59:49,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-03-09 01:59:49,905 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:59:49,905 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:49,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:49,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451613960] [2025-03-09 01:59:49,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451613960] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:59:49,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:59:49,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-09 01:59:49,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043855171] [2025-03-09 01:59:49,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:59:49,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-09 01:59:49,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:49,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-09 01:59:49,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-09 01:59:49,928 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2025-03-09 01:59:49,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:49,946 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2025-03-09 01:59:49,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-09 01:59:49,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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 [2025-03-09 01:59:49,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:49,947 INFO L225 Difference]: With dead ends: 23 [2025-03-09 01:59:49,947 INFO L226 Difference]: Without dead ends: 20 [2025-03-09 01:59:49,947 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 [2025-03-09 01:59:49,948 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:49,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 23 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:59:49,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2025-03-09 01:59:49,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2025-03-09 01:59:49,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 19 states have internal predecessors, (20), 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) [2025-03-09 01:59:49,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2025-03-09 01:59:49,950 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 7 [2025-03-09 01:59:49,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:49,950 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2025-03-09 01:59:49,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2025-03-09 01:59:49,953 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2025-03-09 01:59:49,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-03-09 01:59:49,953 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:49,953 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:59:49,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-09 01:59:49,953 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:49,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:49,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1295320711, now seen corresponding path program 1 times [2025-03-09 01:59:49,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:49,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354787809] [2025-03-09 01:59:49,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:59:49,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:49,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-03-09 01:59:49,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-03-09 01:59:49,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:59:49,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:49,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:49,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:49,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354787809] [2025-03-09 01:59:49,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354787809] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:59:49,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:59:49,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:59:49,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923029911] [2025-03-09 01:59:49,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:59:49,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:59:49,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:49,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:59:49,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:59:49,999 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2025-03-09 01:59:50,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:50,021 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2025-03-09 01:59:50,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:59:50,022 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2025-03-09 01:59:50,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:50,022 INFO L225 Difference]: With dead ends: 20 [2025-03-09 01:59:50,023 INFO L226 Difference]: Without dead ends: 18 [2025-03-09 01:59:50,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:59:50,023 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 16 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 [2025-03-09 01:59:50,023 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 16 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:59:50,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2025-03-09 01:59:50,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2025-03-09 01:59:50,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2) internal successors, (18), 17 states have internal predecessors, (18), 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) [2025-03-09 01:59:50,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2025-03-09 01:59:50,028 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 8 [2025-03-09 01:59:50,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:50,028 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2025-03-09 01:59:50,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2025-03-09 01:59:50,028 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2025-03-09 01:59:50,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-03-09 01:59:50,028 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:50,028 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:59:50,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-09 01:59:50,028 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:50,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:50,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1500236395, now seen corresponding path program 1 times [2025-03-09 01:59:50,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:50,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181649358] [2025-03-09 01:59:50,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:59:50,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:50,033 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-03-09 01:59:50,041 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-03-09 01:59:50,041 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:59:50,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:50,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:50,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181649358] [2025-03-09 01:59:50,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181649358] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-09 01:59:50,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-09 01:59:50,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-09 01:59:50,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314737130] [2025-03-09 01:59:50,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-09 01:59:50,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-09 01:59:50,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:50,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-09 01:59:50,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:59:50,064 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-03-09 01:59:50,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:50,088 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2025-03-09 01:59:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-09 01:59:50,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2025-03-09 01:59:50,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:50,089 INFO L225 Difference]: With dead ends: 21 [2025-03-09 01:59:50,089 INFO L226 Difference]: Without dead ends: 20 [2025-03-09 01:59:50,089 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-09 01:59:50,090 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:50,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:59:50,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2025-03-09 01:59:50,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2025-03-09 01:59:50,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 19 states have internal predecessors, (20), 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) [2025-03-09 01:59:50,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2025-03-09 01:59:50,092 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 9 [2025-03-09 01:59:50,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:50,092 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2025-03-09 01:59:50,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2025-03-09 01:59:50,095 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2025-03-09 01:59:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-09 01:59:50,095 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:50,095 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:59:50,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-09 01:59:50,095 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:50,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:50,096 INFO L85 PathProgramCache]: Analyzing trace with hash 799119633, now seen corresponding path program 1 times [2025-03-09 01:59:50,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:50,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507169900] [2025-03-09 01:59:50,096 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:59:50,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:50,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 01:59:50,110 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 01:59:50,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:59:50,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:50,154 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:50,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:50,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507169900] [2025-03-09 01:59:50,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507169900] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:59:50,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1448466128] [2025-03-09 01:59:50,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:59:50,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:50,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:59:50,157 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) [2025-03-09 01:59:50,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-09 01:59:50,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 01:59:50,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 01:59:50,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:59:50,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:50,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 01:59:50,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:59:50,236 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:50,236 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:59:50,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:50,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1448466128] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:59:50,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:59:50,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-03-09 01:59:50,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127166955] [2025-03-09 01:59:50,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:59:50,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-09 01:59:50,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:50,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-09 01:59:50,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-09 01:59:50,271 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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) [2025-03-09 01:59:50,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:50,291 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2025-03-09 01:59:50,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-09 01:59:50,291 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-03-09 01:59:50,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:50,292 INFO L225 Difference]: With dead ends: 48 [2025-03-09 01:59:50,292 INFO L226 Difference]: Without dead ends: 47 [2025-03-09 01:59:50,292 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-09 01:59:50,292 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 13 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:50,293 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 46 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:59:50,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2025-03-09 01:59:50,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 36. [2025-03-09 01:59:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 35 states have internal predecessors, (41), 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) [2025-03-09 01:59:50,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2025-03-09 01:59:50,296 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 13 [2025-03-09 01:59:50,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:50,296 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2025-03-09 01:59:50,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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) [2025-03-09 01:59:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2025-03-09 01:59:50,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-09 01:59:50,297 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:50,297 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-09 01:59:50,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-09 01:59:50,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:50,497 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:50,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:50,498 INFO L85 PathProgramCache]: Analyzing trace with hash 799120338, now seen corresponding path program 1 times [2025-03-09 01:59:50,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:50,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660041908] [2025-03-09 01:59:50,498 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:59:50,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:50,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 01:59:50,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 01:59:50,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:59:50,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:50,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:50,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:50,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660041908] [2025-03-09 01:59:50,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660041908] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:59:50,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970186044] [2025-03-09 01:59:50,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:59:50,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:50,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:59:50,553 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) [2025-03-09 01:59:50,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-09 01:59:50,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-09 01:59:50,581 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-09 01:59:50,581 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:59:50,581 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:50,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-09 01:59:50,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:59:50,598 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:50,598 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:59:50,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:50,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970186044] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:59:50,628 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:59:50,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-03-09 01:59:50,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479947153] [2025-03-09 01:59:50,629 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:59:50,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-09 01:59:50,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:50,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-09 01:59:50,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-09 01:59:50,630 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 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) [2025-03-09 01:59:50,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:50,656 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2025-03-09 01:59:50,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-09 01:59:50,656 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-03-09 01:59:50,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:50,657 INFO L225 Difference]: With dead ends: 42 [2025-03-09 01:59:50,657 INFO L226 Difference]: Without dead ends: 36 [2025-03-09 01:59:50,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-09 01:59:50,657 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 4 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:50,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 51 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:59:50,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2025-03-09 01:59:50,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2025-03-09 01:59:50,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 35 states have internal predecessors, (38), 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) [2025-03-09 01:59:50,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2025-03-09 01:59:50,661 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 13 [2025-03-09 01:59:50,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:50,661 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2025-03-09 01:59:50,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 8 states have internal predecessors, (24), 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) [2025-03-09 01:59:50,661 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2025-03-09 01:59:50,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-03-09 01:59:50,661 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:50,661 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2025-03-09 01:59:50,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-09 01:59:50,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-03-09 01:59:50,862 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:50,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:50,863 INFO L85 PathProgramCache]: Analyzing trace with hash 2030544009, now seen corresponding path program 1 times [2025-03-09 01:59:50,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:50,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023122929] [2025-03-09 01:59:50,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:59:50,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:50,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-09 01:59:50,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-09 01:59:50,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:59:50,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:50,960 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:50,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:50,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023122929] [2025-03-09 01:59:50,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023122929] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:59:50,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083403475] [2025-03-09 01:59:50,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-09 01:59:50,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:50,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:59:50,962 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) [2025-03-09 01:59:50,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-09 01:59:50,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-03-09 01:59:50,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-03-09 01:59:50,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-09 01:59:50,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:50,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 01:59:50,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:59:51,027 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:51,027 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:59:51,099 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:51,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083403475] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:59:51,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:59:51,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-03-09 01:59:51,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156785680] [2025-03-09 01:59:51,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:59:51,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-09 01:59:51,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:51,100 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-09 01:59:51,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2025-03-09 01:59:51,101 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 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) [2025-03-09 01:59:51,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:51,141 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2025-03-09 01:59:51,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-09 01:59:51,141 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 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 21 [2025-03-09 01:59:51,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:51,142 INFO L225 Difference]: With dead ends: 59 [2025-03-09 01:59:51,142 INFO L226 Difference]: Without dead ends: 58 [2025-03-09 01:59:51,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2025-03-09 01:59:51,143 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:51,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 54 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:59:51,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-03-09 01:59:51,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 50. [2025-03-09 01:59:51,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 49 states have internal predecessors, (55), 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) [2025-03-09 01:59:51,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2025-03-09 01:59:51,147 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 21 [2025-03-09 01:59:51,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:51,147 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2025-03-09 01:59:51,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 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) [2025-03-09 01:59:51,147 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2025-03-09 01:59:51,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-03-09 01:59:51,147 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:51,147 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2025-03-09 01:59:51,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-09 01:59:51,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:51,351 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:51,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:51,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1407422266, now seen corresponding path program 2 times [2025-03-09 01:59:51,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:51,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702334411] [2025-03-09 01:59:51,352 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:59:51,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:51,356 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 25 statements into 2 equivalence classes. [2025-03-09 01:59:51,364 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 01:59:51,364 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:59:51,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:51,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:51,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702334411] [2025-03-09 01:59:51,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702334411] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:59:51,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356330100] [2025-03-09 01:59:51,435 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:59:51,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:51,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:59:51,437 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) [2025-03-09 01:59:51,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-09 01:59:51,457 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 25 statements into 2 equivalence classes. [2025-03-09 01:59:51,465 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 25 of 25 statements. [2025-03-09 01:59:51,465 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:59:51,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:51,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-09 01:59:51,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:59:51,494 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:51,495 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:59:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:51,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356330100] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:59:51,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:59:51,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2025-03-09 01:59:51,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339246982] [2025-03-09 01:59:51,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:59:51,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-09 01:59:51,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:51,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-09 01:59:51,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2025-03-09 01:59:51,596 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand has 16 states, 15 states have (on average 3.2) internal successors, (48), 16 states have internal predecessors, (48), 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) [2025-03-09 01:59:51,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:51,637 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2025-03-09 01:59:51,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-09 01:59:51,638 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.2) internal successors, (48), 16 states have internal predecessors, (48), 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 25 [2025-03-09 01:59:51,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:51,638 INFO L225 Difference]: With dead ends: 66 [2025-03-09 01:59:51,638 INFO L226 Difference]: Without dead ends: 57 [2025-03-09 01:59:51,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2025-03-09 01:59:51,639 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 13 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:51,639 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 66 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:59:51,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2025-03-09 01:59:51,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 52. [2025-03-09 01:59:51,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 49 states have (on average 1.1020408163265305) internal successors, (54), 51 states have internal predecessors, (54), 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) [2025-03-09 01:59:51,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2025-03-09 01:59:51,643 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 25 [2025-03-09 01:59:51,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:51,643 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2025-03-09 01:59:51,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.2) internal successors, (48), 16 states have internal predecessors, (48), 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) [2025-03-09 01:59:51,643 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2025-03-09 01:59:51,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-03-09 01:59:51,643 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:51,643 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2025-03-09 01:59:51,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-09 01:59:51,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:51,844 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:51,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:51,844 INFO L85 PathProgramCache]: Analyzing trace with hash 12720959, now seen corresponding path program 2 times [2025-03-09 01:59:51,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:51,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165274127] [2025-03-09 01:59:51,844 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:59:51,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:51,848 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 31 statements into 2 equivalence classes. [2025-03-09 01:59:51,852 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 31 of 31 statements. [2025-03-09 01:59:51,853 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:59:51,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:51,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:51,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165274127] [2025-03-09 01:59:51,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165274127] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:59:51,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265109160] [2025-03-09 01:59:51,905 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:59:51,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:51,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:59:51,908 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) [2025-03-09 01:59:51,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-09 01:59:51,931 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 31 statements into 2 equivalence classes. [2025-03-09 01:59:51,940 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 31 of 31 statements. [2025-03-09 01:59:51,940 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:59:51,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:51,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-09 01:59:51,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:59:51,973 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:51,973 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:59:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:52,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265109160] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:59:52,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:59:52,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2025-03-09 01:59:52,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71143819] [2025-03-09 01:59:52,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:59:52,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-09 01:59:52,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:52,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-09 01:59:52,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-03-09 01:59:52,041 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2025-03-09 01:59:52,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:52,071 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2025-03-09 01:59:52,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-09 01:59:52,071 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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 31 [2025-03-09 01:59:52,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:52,072 INFO L225 Difference]: With dead ends: 85 [2025-03-09 01:59:52,072 INFO L226 Difference]: Without dead ends: 84 [2025-03-09 01:59:52,072 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2025-03-09 01:59:52,072 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 26 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:52,072 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 77 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:59:52,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-03-09 01:59:52,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 72. [2025-03-09 01:59:52,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 69 states have (on average 1.1304347826086956) internal successors, (78), 71 states have internal predecessors, (78), 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) [2025-03-09 01:59:52,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 78 transitions. [2025-03-09 01:59:52,076 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 78 transitions. Word has length 31 [2025-03-09 01:59:52,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:52,076 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 78 transitions. [2025-03-09 01:59:52,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.454545454545454) internal successors, (60), 12 states have internal predecessors, (60), 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) [2025-03-09 01:59:52,076 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 78 transitions. [2025-03-09 01:59:52,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-09 01:59:52,077 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:52,077 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2025-03-09 01:59:52,083 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-09 01:59:52,281 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,SelfDestructingSolverStorable11 [2025-03-09 01:59:52,281 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:52,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:52,281 INFO L85 PathProgramCache]: Analyzing trace with hash 20650097, now seen corresponding path program 2 times [2025-03-09 01:59:52,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:52,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418780569] [2025-03-09 01:59:52,281 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:59:52,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:52,286 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-03-09 01:59:52,293 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-03-09 01:59:52,293 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:59:52,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:52,502 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:52,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:52,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418780569] [2025-03-09 01:59:52,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418780569] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:59:52,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079570947] [2025-03-09 01:59:52,503 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-09 01:59:52,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:52,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:59:52,505 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) [2025-03-09 01:59:52,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-09 01:59:52,526 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 45 statements into 2 equivalence classes. [2025-03-09 01:59:52,537 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 45 of 45 statements. [2025-03-09 01:59:52,537 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-09 01:59:52,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:52,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-09 01:59:52,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:59:52,591 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:52,591 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:59:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:52,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079570947] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:59:52,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:59:52,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29 [2025-03-09 01:59:52,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034890377] [2025-03-09 01:59:52,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:59:52,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-03-09 01:59:52,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:52,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-03-09 01:59:52,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2025-03-09 01:59:52,834 INFO L87 Difference]: Start difference. First operand 72 states and 78 transitions. Second operand has 30 states, 29 states have (on average 3.0344827586206895) internal successors, (88), 30 states have internal predecessors, (88), 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) [2025-03-09 01:59:52,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:52,919 INFO L93 Difference]: Finished difference Result 117 states and 131 transitions. [2025-03-09 01:59:52,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-03-09 01:59:52,920 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.0344827586206895) internal successors, (88), 30 states have internal predecessors, (88), 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 45 [2025-03-09 01:59:52,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:52,921 INFO L225 Difference]: With dead ends: 117 [2025-03-09 01:59:52,921 INFO L226 Difference]: Without dead ends: 116 [2025-03-09 01:59:52,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=239, Invalid=631, Unknown=0, NotChecked=0, Total=870 [2025-03-09 01:59:52,921 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 33 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:52,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 79 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:59:52,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-03-09 01:59:52,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 98. [2025-03-09 01:59:52,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 95 states have (on average 1.1473684210526316) internal successors, (109), 97 states have internal predecessors, (109), 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) [2025-03-09 01:59:52,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 109 transitions. [2025-03-09 01:59:52,932 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 109 transitions. Word has length 45 [2025-03-09 01:59:52,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:52,933 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 109 transitions. [2025-03-09 01:59:52,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.0344827586206895) internal successors, (88), 30 states have internal predecessors, (88), 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) [2025-03-09 01:59:52,933 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 109 transitions. [2025-03-09 01:59:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-03-09 01:59:52,934 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:52,934 INFO L218 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1] [2025-03-09 01:59:52,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-09 01:59:53,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:53,135 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:53,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:53,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1143189678, now seen corresponding path program 3 times [2025-03-09 01:59:53,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:53,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863346944] [2025-03-09 01:59:53,135 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 01:59:53,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:53,140 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 49 statements into 8 equivalence classes. [2025-03-09 01:59:53,156 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 49 of 49 statements. [2025-03-09 01:59:53,156 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-09 01:59:53,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:53,377 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:53,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:53,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863346944] [2025-03-09 01:59:53,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863346944] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:59:53,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051234960] [2025-03-09 01:59:53,378 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 01:59:53,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:53,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:59:53,380 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) [2025-03-09 01:59:53,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-09 01:59:53,402 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 49 statements into 8 equivalence classes. [2025-03-09 01:59:53,416 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 49 of 49 statements. [2025-03-09 01:59:53,416 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-09 01:59:53,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:53,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-09 01:59:53,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:59:53,472 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:53,472 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:59:53,713 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:53,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051234960] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:59:53,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:59:53,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 31 [2025-03-09 01:59:53,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004287463] [2025-03-09 01:59:53,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:59:53,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2025-03-09 01:59:53,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:53,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2025-03-09 01:59:53,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2025-03-09 01:59:53,715 INFO L87 Difference]: Start difference. First operand 98 states and 109 transitions. Second operand has 32 states, 31 states have (on average 3.096774193548387) internal successors, (96), 32 states have internal predecessors, (96), 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) [2025-03-09 01:59:53,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:53,789 INFO L93 Difference]: Finished difference Result 124 states and 131 transitions. [2025-03-09 01:59:53,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-03-09 01:59:53,790 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.096774193548387) internal successors, (96), 32 states have internal predecessors, (96), 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 49 [2025-03-09 01:59:53,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:53,790 INFO L225 Difference]: With dead ends: 124 [2025-03-09 01:59:53,790 INFO L226 Difference]: Without dead ends: 107 [2025-03-09 01:59:53,791 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992 [2025-03-09 01:59:53,791 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 31 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:53,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 110 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:59:53,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-03-09 01:59:53,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 100. [2025-03-09 01:59:53,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 97 states have (on average 1.0721649484536082) internal successors, (104), 99 states have internal predecessors, (104), 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) [2025-03-09 01:59:53,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 104 transitions. [2025-03-09 01:59:53,800 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 104 transitions. Word has length 49 [2025-03-09 01:59:53,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:53,804 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 104 transitions. [2025-03-09 01:59:53,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.096774193548387) internal successors, (96), 32 states have internal predecessors, (96), 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) [2025-03-09 01:59:53,804 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 104 transitions. [2025-03-09 01:59:53,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-03-09 01:59:53,805 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:53,805 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 1, 1, 1, 1] [2025-03-09 01:59:53,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-09 01:59:54,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:54,005 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:54,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:54,006 INFO L85 PathProgramCache]: Analyzing trace with hash -959237861, now seen corresponding path program 3 times [2025-03-09 01:59:54,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:54,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923784711] [2025-03-09 01:59:54,006 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 01:59:54,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:54,010 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 11 equivalence classes. [2025-03-09 01:59:54,021 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 67 of 67 statements. [2025-03-09 01:59:54,022 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-09 01:59:54,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:54,173 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:54,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:54,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923784711] [2025-03-09 01:59:54,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923784711] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:59:54,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934468177] [2025-03-09 01:59:54,174 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 01:59:54,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:54,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:59:54,176 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) [2025-03-09 01:59:54,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-09 01:59:54,201 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 11 equivalence classes. [2025-03-09 01:59:54,223 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 67 of 67 statements. [2025-03-09 01:59:54,224 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-03-09 01:59:54,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:54,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-09 01:59:54,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:59:54,293 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:54,293 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:59:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:54,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934468177] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:59:54,494 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:59:54,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2025-03-09 01:59:54,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566069895] [2025-03-09 01:59:54,494 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:59:54,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-03-09 01:59:54,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:54,495 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-03-09 01:59:54,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-03-09 01:59:54,495 INFO L87 Difference]: Start difference. First operand 100 states and 104 transitions. Second operand has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 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) [2025-03-09 01:59:54,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:54,551 INFO L93 Difference]: Finished difference Result 173 states and 184 transitions. [2025-03-09 01:59:54,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-09 01:59:54,551 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 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 67 [2025-03-09 01:59:54,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:54,552 INFO L225 Difference]: With dead ends: 173 [2025-03-09 01:59:54,552 INFO L226 Difference]: Without dead ends: 172 [2025-03-09 01:59:54,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2025-03-09 01:59:54,554 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 58 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:54,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 143 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-09 01:59:54,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2025-03-09 01:59:54,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 144. [2025-03-09 01:59:54,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 141 states have (on average 1.1205673758865249) internal successors, (158), 143 states have internal predecessors, (158), 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) [2025-03-09 01:59:54,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 158 transitions. [2025-03-09 01:59:54,564 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 158 transitions. Word has length 67 [2025-03-09 01:59:54,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:54,564 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 158 transitions. [2025-03-09 01:59:54,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.739130434782608) internal successors, (132), 24 states have internal predecessors, (132), 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) [2025-03-09 01:59:54,565 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 158 transitions. [2025-03-09 01:59:54,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-03-09 01:59:54,565 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:54,565 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 14, 1, 1, 1, 1] [2025-03-09 01:59:54,571 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-09 01:59:54,770 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,SelfDestructingSolverStorable14 [2025-03-09 01:59:54,770 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:54,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:54,770 INFO L85 PathProgramCache]: Analyzing trace with hash -102737855, now seen corresponding path program 3 times [2025-03-09 01:59:54,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:54,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589467455] [2025-03-09 01:59:54,770 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 01:59:54,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:54,775 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 93 statements into 15 equivalence classes. [2025-03-09 01:59:54,802 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 93 of 93 statements. [2025-03-09 01:59:54,803 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-03-09 01:59:54,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:55,395 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:55,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:55,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589467455] [2025-03-09 01:59:55,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589467455] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:59:55,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950753808] [2025-03-09 01:59:55,396 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-09 01:59:55,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:55,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:59:55,398 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) [2025-03-09 01:59:55,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-09 01:59:55,423 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 93 statements into 15 equivalence classes. [2025-03-09 01:59:55,450 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 93 of 93 statements. [2025-03-09 01:59:55,450 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-03-09 01:59:55,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:55,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-03-09 01:59:55,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:59:55,542 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:55,542 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:59:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:56,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950753808] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:59:56,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:59:56,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 61 [2025-03-09 01:59:56,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212311967] [2025-03-09 01:59:56,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:59:56,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-03-09 01:59:56,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:56,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-03-09 01:59:56,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=991, Invalid=2791, Unknown=0, NotChecked=0, Total=3782 [2025-03-09 01:59:56,334 INFO L87 Difference]: Start difference. First operand 144 states and 158 transitions. Second operand has 62 states, 61 states have (on average 3.0163934426229506) internal successors, (184), 62 states have internal predecessors, (184), 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) [2025-03-09 01:59:56,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:56,476 INFO L93 Difference]: Finished difference Result 233 states and 263 transitions. [2025-03-09 01:59:56,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2025-03-09 01:59:56,477 INFO L78 Accepts]: Start accepts. Automaton has has 62 states, 61 states have (on average 3.0163934426229506) internal successors, (184), 62 states have internal predecessors, (184), 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 93 [2025-03-09 01:59:56,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:56,478 INFO L225 Difference]: With dead ends: 233 [2025-03-09 01:59:56,478 INFO L226 Difference]: Without dead ends: 232 [2025-03-09 01:59:56,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1037 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=991, Invalid=2791, Unknown=0, NotChecked=0, Total=3782 [2025-03-09 01:59:56,479 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 93 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:56,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 171 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:59:56,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-03-09 01:59:56,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 194. [2025-03-09 01:59:56,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 191 states have (on average 1.1361256544502618) internal successors, (217), 193 states have internal predecessors, (217), 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) [2025-03-09 01:59:56,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 217 transitions. [2025-03-09 01:59:56,494 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 217 transitions. Word has length 93 [2025-03-09 01:59:56,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:56,496 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 217 transitions. [2025-03-09 01:59:56,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 61 states have (on average 3.0163934426229506) internal successors, (184), 62 states have internal predecessors, (184), 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) [2025-03-09 01:59:56,496 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 217 transitions. [2025-03-09 01:59:56,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-09 01:59:56,498 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:56,498 INFO L218 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1] [2025-03-09 01:59:56,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-09 01:59:56,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-09 01:59:56,699 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:56,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:56,699 INFO L85 PathProgramCache]: Analyzing trace with hash -444299138, now seen corresponding path program 4 times [2025-03-09 01:59:56,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:56,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421053523] [2025-03-09 01:59:56,699 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 01:59:56,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:56,709 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 97 statements into 2 equivalence classes. [2025-03-09 01:59:56,726 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-03-09 01:59:56,727 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 01:59:56,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:57,289 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:57,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:57,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421053523] [2025-03-09 01:59:57,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421053523] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:59:57,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953020009] [2025-03-09 01:59:57,289 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 01:59:57,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:57,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:59:57,291 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) [2025-03-09 01:59:57,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-09 01:59:57,315 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 97 statements into 2 equivalence classes. [2025-03-09 01:59:57,333 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 97 of 97 statements. [2025-03-09 01:59:57,333 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 01:59:57,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:57,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 32 conjuncts are in the unsatisfiable core [2025-03-09 01:59:57,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:59:57,445 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:57,445 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:59:58,160 INFO L134 CoverageAnalysis]: Checked inductivity of 660 backedges. 0 proven. 660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:58,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953020009] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:59:58,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:59:58,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32, 32] total 64 [2025-03-09 01:59:58,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668538699] [2025-03-09 01:59:58,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:59:58,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2025-03-09 01:59:58,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:58,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2025-03-09 01:59:58,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1090, Invalid=3070, Unknown=0, NotChecked=0, Total=4160 [2025-03-09 01:59:58,163 INFO L87 Difference]: Start difference. First operand 194 states and 217 transitions. Second operand has 65 states, 64 states have (on average 3.078125) internal successors, (197), 65 states have internal predecessors, (197), 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) [2025-03-09 01:59:58,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:58,294 INFO L93 Difference]: Finished difference Result 240 states and 255 transitions. [2025-03-09 01:59:58,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-03-09 01:59:58,294 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 3.078125) internal successors, (197), 65 states have internal predecessors, (197), 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 97 [2025-03-09 01:59:58,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:58,295 INFO L225 Difference]: With dead ends: 240 [2025-03-09 01:59:58,295 INFO L226 Difference]: Without dead ends: 207 [2025-03-09 01:59:58,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1213 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1090, Invalid=3070, Unknown=0, NotChecked=0, Total=4160 [2025-03-09 01:59:58,297 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 119 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:58,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 184 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:59:58,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2025-03-09 01:59:58,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 196. [2025-03-09 01:59:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 193 states have (on average 1.0569948186528497) internal successors, (204), 195 states have internal predecessors, (204), 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) [2025-03-09 01:59:58,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 204 transitions. [2025-03-09 01:59:58,304 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 204 transitions. Word has length 97 [2025-03-09 01:59:58,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:58,304 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 204 transitions. [2025-03-09 01:59:58,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 3.078125) internal successors, (197), 65 states have internal predecessors, (197), 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) [2025-03-09 01:59:58,305 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2025-03-09 01:59:58,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2025-03-09 01:59:58,306 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:58,307 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 1, 1, 1, 1] [2025-03-09 01:59:58,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-09 01:59:58,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-09 01:59:58,512 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 01:59:58,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 01:59:58,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1714823891, now seen corresponding path program 4 times [2025-03-09 01:59:58,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 01:59:58,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433623953] [2025-03-09 01:59:58,512 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 01:59:58,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 01:59:58,518 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 139 statements into 2 equivalence classes. [2025-03-09 01:59:58,528 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 139 of 139 statements. [2025-03-09 01:59:58,529 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 01:59:58,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:58,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:58,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 01:59:58,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433623953] [2025-03-09 01:59:58,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433623953] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 01:59:58,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567611758] [2025-03-09 01:59:58,939 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 01:59:58,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 01:59:58,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 01:59:58,941 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) [2025-03-09 01:59:58,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-09 01:59:58,973 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 139 statements into 2 equivalence classes. [2025-03-09 01:59:58,999 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 139 of 139 statements. [2025-03-09 01:59:58,999 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 01:59:58,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 01:59:59,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-03-09 01:59:59,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 01:59:59,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:59,130 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 01:59:59,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1474 backedges. 0 proven. 1474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 01:59:59,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567611758] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 01:59:59,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 01:59:59,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2025-03-09 01:59:59,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649128790] [2025-03-09 01:59:59,751 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 01:59:59,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2025-03-09 01:59:59,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 01:59:59,752 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2025-03-09 01:59:59,752 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2025-03-09 01:59:59,752 INFO L87 Difference]: Start difference. First operand 196 states and 204 transitions. Second operand has 49 states, 48 states have (on average 5.854166666666667) internal successors, (281), 49 states have internal predecessors, (281), 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) [2025-03-09 01:59:59,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 01:59:59,855 INFO L93 Difference]: Finished difference Result 349 states and 372 transitions. [2025-03-09 01:59:59,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-03-09 01:59:59,856 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 5.854166666666667) internal successors, (281), 49 states have internal predecessors, (281), 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 139 [2025-03-09 01:59:59,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 01:59:59,857 INFO L225 Difference]: With dead ends: 349 [2025-03-09 01:59:59,857 INFO L226 Difference]: Without dead ends: 348 [2025-03-09 01:59:59,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2025-03-09 01:59:59,858 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 174 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-09 01:59:59,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 282 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-09 01:59:59,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2025-03-09 01:59:59,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 288. [2025-03-09 01:59:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 285 states have (on average 1.1157894736842104) internal successors, (318), 287 states have internal predecessors, (318), 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) [2025-03-09 01:59:59,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 318 transitions. [2025-03-09 01:59:59,864 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 318 transitions. Word has length 139 [2025-03-09 01:59:59,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 01:59:59,864 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 318 transitions. [2025-03-09 01:59:59,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 5.854166666666667) internal successors, (281), 49 states have internal predecessors, (281), 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) [2025-03-09 01:59:59,865 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 318 transitions. [2025-03-09 01:59:59,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-03-09 01:59:59,866 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 01:59:59,867 INFO L218 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 31, 30, 1, 1, 1, 1] [2025-03-09 01:59:59,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-09 02:00:00,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-09 02:00:00,071 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 02:00:00,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:00,071 INFO L85 PathProgramCache]: Analyzing trace with hash 142882785, now seen corresponding path program 4 times [2025-03-09 02:00:00,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:00,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63012886] [2025-03-09 02:00:00,071 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 02:00:00,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:00,077 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 189 statements into 2 equivalence classes. [2025-03-09 02:00:00,104 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 189 of 189 statements. [2025-03-09 02:00:00,104 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 02:00:00,104 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:01,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:01,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63012886] [2025-03-09 02:00:01,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63012886] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:01,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956249907] [2025-03-09 02:00:01,681 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-03-09 02:00:01,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:01,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:01,683 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) [2025-03-09 02:00:01,685 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-09 02:00:01,715 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 189 statements into 2 equivalence classes. [2025-03-09 02:00:01,748 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 189 of 189 statements. [2025-03-09 02:00:01,748 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-03-09 02:00:01,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:01,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 63 conjuncts are in the unsatisfiable core [2025-03-09 02:00:01,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:01,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:01,966 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:04,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2790 backedges. 0 proven. 2790 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:04,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956249907] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:00:04,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:00:04,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 126 [2025-03-09 02:00:04,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42272013] [2025-03-09 02:00:04,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:04,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 127 states [2025-03-09 02:00:04,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:04,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2025-03-09 02:00:04,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4095, Invalid=11907, Unknown=0, NotChecked=0, Total=16002 [2025-03-09 02:00:04,338 INFO L87 Difference]: Start difference. First operand 288 states and 318 transitions. Second operand has 127 states, 126 states have (on average 3.0238095238095237) internal successors, (381), 127 states have internal predecessors, (381), 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) [2025-03-09 02:00:04,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:04,626 INFO L93 Difference]: Finished difference Result 465 states and 527 transitions. [2025-03-09 02:00:04,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2025-03-09 02:00:04,626 INFO L78 Accepts]: Start accepts. Automaton has has 127 states, 126 states have (on average 3.0238095238095237) internal successors, (381), 127 states have internal predecessors, (381), 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 189 [2025-03-09 02:00:04,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:04,628 INFO L225 Difference]: With dead ends: 465 [2025-03-09 02:00:04,628 INFO L226 Difference]: Without dead ends: 464 [2025-03-09 02:00:04,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4833 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=4095, Invalid=11907, Unknown=0, NotChecked=0, Total=16002 [2025-03-09 02:00:04,632 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 209 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 286 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:04,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 297 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:04,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2025-03-09 02:00:04,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 386. [2025-03-09 02:00:04,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 383 states have (on average 1.1305483028720626) internal successors, (433), 385 states have internal predecessors, (433), 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) [2025-03-09 02:00:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 433 transitions. [2025-03-09 02:00:04,642 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 433 transitions. Word has length 189 [2025-03-09 02:00:04,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:04,642 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 433 transitions. [2025-03-09 02:00:04,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 127 states, 126 states have (on average 3.0238095238095237) internal successors, (381), 127 states have internal predecessors, (381), 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) [2025-03-09 02:00:04,642 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 433 transitions. [2025-03-09 02:00:04,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2025-03-09 02:00:04,643 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:04,643 INFO L218 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:04,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-09 02:00:04,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:04,844 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 02:00:04,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:04,845 INFO L85 PathProgramCache]: Analyzing trace with hash 972003358, now seen corresponding path program 5 times [2025-03-09 02:00:04,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:04,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865900951] [2025-03-09 02:00:04,845 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 02:00:04,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:04,852 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 193 statements into 32 equivalence classes. [2025-03-09 02:00:04,903 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) and asserted 193 of 193 statements. [2025-03-09 02:00:04,904 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2025-03-09 02:00:04,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:06,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:06,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:06,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865900951] [2025-03-09 02:00:06,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865900951] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:06,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954506920] [2025-03-09 02:00:06,403 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 02:00:06,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:06,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:06,405 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) [2025-03-09 02:00:06,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-09 02:00:06,432 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 193 statements into 32 equivalence classes. [2025-03-09 02:00:06,492 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) and asserted 193 of 193 statements. [2025-03-09 02:00:06,492 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 32 check-sat command(s) [2025-03-09 02:00:06,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:06,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 64 conjuncts are in the unsatisfiable core [2025-03-09 02:00:06,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:06,638 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2852 backedges. 0 proven. 2852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:08,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954506920] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:00:08,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:00:08,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 64, 64] total 127 [2025-03-09 02:00:08,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539691163] [2025-03-09 02:00:08,982 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:08,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2025-03-09 02:00:08,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:08,984 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2025-03-09 02:00:08,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4160, Invalid=12096, Unknown=0, NotChecked=0, Total=16256 [2025-03-09 02:00:08,987 INFO L87 Difference]: Start difference. First operand 386 states and 433 transitions. Second operand has 128 states, 127 states have (on average 3.0236220472440944) internal successors, (384), 128 states have internal predecessors, (384), 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) [2025-03-09 02:00:09,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:09,276 INFO L93 Difference]: Finished difference Result 472 states and 503 transitions. [2025-03-09 02:00:09,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-03-09 02:00:09,277 INFO L78 Accepts]: Start accepts. Automaton has has 128 states, 127 states have (on average 3.0236220472440944) internal successors, (384), 128 states have internal predecessors, (384), 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 193 [2025-03-09 02:00:09,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:09,279 INFO L225 Difference]: With dead ends: 472 [2025-03-09 02:00:09,279 INFO L226 Difference]: Without dead ends: 407 [2025-03-09 02:00:09,281 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4773 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=4160, Invalid=12096, Unknown=0, NotChecked=0, Total=16256 [2025-03-09 02:00:09,281 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 275 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:09,282 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 314 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:09,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-03-09 02:00:09,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 388. [2025-03-09 02:00:09,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 385 states have (on average 1.0493506493506493) internal successors, (404), 387 states have internal predecessors, (404), 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) [2025-03-09 02:00:09,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 404 transitions. [2025-03-09 02:00:09,294 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 404 transitions. Word has length 193 [2025-03-09 02:00:09,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:09,294 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 404 transitions. [2025-03-09 02:00:09,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 127 states have (on average 3.0236220472440944) internal successors, (384), 128 states have internal predecessors, (384), 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) [2025-03-09 02:00:09,294 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 404 transitions. [2025-03-09 02:00:09,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2025-03-09 02:00:09,296 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:09,296 INFO L218 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 1, 1, 1, 1] [2025-03-09 02:00:09,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-09 02:00:09,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2025-03-09 02:00:09,497 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 02:00:09,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:09,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1606214077, now seen corresponding path program 5 times [2025-03-09 02:00:09,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:09,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547143992] [2025-03-09 02:00:09,498 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 02:00:09,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:09,520 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 283 statements into 47 equivalence classes. [2025-03-09 02:00:09,601 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 283 of 283 statements. [2025-03-09 02:00:09,602 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-03-09 02:00:09,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:10,766 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:10,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:10,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547143992] [2025-03-09 02:00:10,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547143992] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:10,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029944563] [2025-03-09 02:00:10,766 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 02:00:10,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:10,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:10,769 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) [2025-03-09 02:00:10,769 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-09 02:00:10,800 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 283 statements into 47 equivalence classes. [2025-03-09 02:00:10,924 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 283 of 283 statements. [2025-03-09 02:00:10,924 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-03-09 02:00:10,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:10,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-03-09 02:00:10,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:11,137 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:11,137 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:12,955 INFO L134 CoverageAnalysis]: Checked inductivity of 6394 backedges. 0 proven. 6394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:12,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029944563] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:00:12,955 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:00:12,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2025-03-09 02:00:12,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534023648] [2025-03-09 02:00:12,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:12,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-03-09 02:00:12,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:12,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-03-09 02:00:12,957 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-03-09 02:00:12,958 INFO L87 Difference]: Start difference. First operand 388 states and 404 transitions. Second operand has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 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) [2025-03-09 02:00:13,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:13,233 INFO L93 Difference]: Finished difference Result 701 states and 748 transitions. [2025-03-09 02:00:13,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-03-09 02:00:13,234 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 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 283 [2025-03-09 02:00:13,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:13,236 INFO L225 Difference]: With dead ends: 701 [2025-03-09 02:00:13,236 INFO L226 Difference]: Without dead ends: 700 [2025-03-09 02:00:13,237 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2025-03-09 02:00:13,237 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 362 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:13,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 541 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:13,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2025-03-09 02:00:13,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 576. [2025-03-09 02:00:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 576 states, 573 states have (on average 1.1134380453752182) internal successors, (638), 575 states have internal predecessors, (638), 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) [2025-03-09 02:00:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 638 transitions. [2025-03-09 02:00:13,253 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 638 transitions. Word has length 283 [2025-03-09 02:00:13,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:13,254 INFO L471 AbstractCegarLoop]: Abstraction has 576 states and 638 transitions. [2025-03-09 02:00:13,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 5.936842105263158) internal successors, (564), 96 states have internal predecessors, (564), 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) [2025-03-09 02:00:13,254 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 638 transitions. [2025-03-09 02:00:13,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2025-03-09 02:00:13,257 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:13,257 INFO L218 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 63, 62, 1, 1, 1, 1] [2025-03-09 02:00:13,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-09 02:00:13,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:13,458 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 02:00:13,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:13,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1104054495, now seen corresponding path program 5 times [2025-03-09 02:00:13,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:13,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308007657] [2025-03-09 02:00:13,458 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 02:00:13,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:13,467 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 381 statements into 63 equivalence classes. [2025-03-09 02:00:13,558 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) and asserted 381 of 381 statements. [2025-03-09 02:00:13,559 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2025-03-09 02:00:13,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:18,757 INFO L134 CoverageAnalysis]: Checked inductivity of 11718 backedges. 0 proven. 11718 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:18,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:18,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308007657] [2025-03-09 02:00:18,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308007657] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:18,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529117622] [2025-03-09 02:00:18,758 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-03-09 02:00:18,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:18,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:18,760 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) [2025-03-09 02:00:18,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-09 02:00:18,796 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 381 statements into 63 equivalence classes. [2025-03-09 02:00:19,008 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) and asserted 381 of 381 statements. [2025-03-09 02:00:19,008 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 63 check-sat command(s) [2025-03-09 02:00:19,008 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:19,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 127 conjuncts are in the unsatisfiable core [2025-03-09 02:00:19,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:19,267 INFO L134 CoverageAnalysis]: Checked inductivity of 11718 backedges. 0 proven. 11718 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:19,267 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:27,362 INFO L134 CoverageAnalysis]: Checked inductivity of 11718 backedges. 0 proven. 11718 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:27,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1529117622] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:00:27,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:00:27,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [127, 127, 127] total 253 [2025-03-09 02:00:27,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131517137] [2025-03-09 02:00:27,362 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:27,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 254 states [2025-03-09 02:00:27,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:27,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 254 interpolants. [2025-03-09 02:00:27,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16255, Invalid=48007, Unknown=0, NotChecked=0, Total=64262 [2025-03-09 02:00:27,370 INFO L87 Difference]: Start difference. First operand 576 states and 638 transitions. Second operand has 254 states, 253 states have (on average 3.0039525691699605) internal successors, (760), 254 states have internal predecessors, (760), 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) [2025-03-09 02:00:28,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:28,350 INFO L93 Difference]: Finished difference Result 929 states and 1055 transitions. [2025-03-09 02:00:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 254 states. [2025-03-09 02:00:28,353 INFO L78 Accepts]: Start accepts. Automaton has has 254 states, 253 states have (on average 3.0039525691699605) internal successors, (760), 254 states have internal predecessors, (760), 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 381 [2025-03-09 02:00:28,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:28,355 INFO L225 Difference]: With dead ends: 929 [2025-03-09 02:00:28,356 INFO L226 Difference]: Without dead ends: 928 [2025-03-09 02:00:28,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 887 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 252 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19469 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=16255, Invalid=48007, Unknown=0, NotChecked=0, Total=64262 [2025-03-09 02:00:28,358 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 791 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:28,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 550 Invalid, 504 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:00:28,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 928 states. [2025-03-09 02:00:28,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 928 to 770. [2025-03-09 02:00:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 767 states have (on average 1.1277705345501956) internal successors, (865), 769 states have internal predecessors, (865), 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) [2025-03-09 02:00:28,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 865 transitions. [2025-03-09 02:00:28,370 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 865 transitions. Word has length 381 [2025-03-09 02:00:28,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:28,371 INFO L471 AbstractCegarLoop]: Abstraction has 770 states and 865 transitions. [2025-03-09 02:00:28,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 254 states, 253 states have (on average 3.0039525691699605) internal successors, (760), 254 states have internal predecessors, (760), 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) [2025-03-09 02:00:28,371 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 865 transitions. [2025-03-09 02:00:28,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2025-03-09 02:00:28,372 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:28,372 INFO L218 NwaCegarLoop]: trace histogram [64, 63, 63, 63, 63, 63, 1, 1, 1, 1, 1, 1] [2025-03-09 02:00:28,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-09 02:00:28,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:28,573 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 02:00:28,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:28,574 INFO L85 PathProgramCache]: Analyzing trace with hash -865388706, now seen corresponding path program 6 times [2025-03-09 02:00:28,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:28,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942368068] [2025-03-09 02:00:28,574 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 02:00:28,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:28,582 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 385 statements into 64 equivalence classes. [2025-03-09 02:00:28,647 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) and asserted 385 of 385 statements. [2025-03-09 02:00:28,647 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) [2025-03-09 02:00:28,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:33,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:33,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942368068] [2025-03-09 02:00:33,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942368068] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:33,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626336336] [2025-03-09 02:00:33,799 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 02:00:33,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:33,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:33,802 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) [2025-03-09 02:00:33,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-09 02:00:33,840 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 385 statements into 64 equivalence classes. [2025-03-09 02:00:34,062 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) and asserted 385 of 385 statements. [2025-03-09 02:00:34,062 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 64 check-sat command(s) [2025-03-09 02:00:34,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:34,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 128 conjuncts are in the unsatisfiable core [2025-03-09 02:00:34,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:34,417 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:42,897 INFO L134 CoverageAnalysis]: Checked inductivity of 11844 backedges. 0 proven. 11844 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:42,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626336336] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:00:42,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:00:42,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [128, 128, 128] total 255 [2025-03-09 02:00:42,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615331961] [2025-03-09 02:00:42,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:42,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 256 states [2025-03-09 02:00:42,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:42,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 256 interpolants. [2025-03-09 02:00:42,903 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16512, Invalid=48768, Unknown=0, NotChecked=0, Total=65280 [2025-03-09 02:00:42,903 INFO L87 Difference]: Start difference. First operand 770 states and 865 transitions. Second operand has 256 states, 255 states have (on average 3.011764705882353) internal successors, (768), 256 states have internal predecessors, (768), 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) [2025-03-09 02:00:43,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:43,731 INFO L93 Difference]: Finished difference Result 936 states and 999 transitions. [2025-03-09 02:00:43,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 255 states. [2025-03-09 02:00:43,732 INFO L78 Accepts]: Start accepts. Automaton has has 256 states, 255 states have (on average 3.011764705882353) internal successors, (768), 256 states have internal predecessors, (768), 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 385 [2025-03-09 02:00:43,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:43,735 INFO L225 Difference]: With dead ends: 936 [2025-03-09 02:00:43,735 INFO L226 Difference]: Without dead ends: 807 [2025-03-09 02:00:43,737 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 896 GetRequests, 642 SyntacticMatches, 0 SemanticMatches, 254 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19781 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=16512, Invalid=48768, Unknown=0, NotChecked=0, Total=65280 [2025-03-09 02:00:43,737 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 485 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:43,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 564 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-09 02:00:43,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2025-03-09 02:00:43,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 772. [2025-03-09 02:00:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 772 states, 769 states have (on average 1.0455136540962289) internal successors, (804), 771 states have internal predecessors, (804), 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) [2025-03-09 02:00:43,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 772 states and 804 transitions. [2025-03-09 02:00:43,749 INFO L78 Accepts]: Start accepts. Automaton has 772 states and 804 transitions. Word has length 385 [2025-03-09 02:00:43,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:43,749 INFO L471 AbstractCegarLoop]: Abstraction has 772 states and 804 transitions. [2025-03-09 02:00:43,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 256 states, 255 states have (on average 3.011764705882353) internal successors, (768), 256 states have internal predecessors, (768), 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) [2025-03-09 02:00:43,750 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 804 transitions. [2025-03-09 02:00:43,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2025-03-09 02:00:43,752 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:43,752 INFO L218 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 1, 1, 1, 1] [2025-03-09 02:00:43,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-09 02:00:43,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-03-09 02:00:43,953 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 02:00:43,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:43,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1469674787, now seen corresponding path program 6 times [2025-03-09 02:00:43,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:43,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656616096] [2025-03-09 02:00:43,953 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 02:00:43,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:43,964 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 571 statements into 95 equivalence classes. [2025-03-09 02:00:44,110 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 571 of 571 statements. [2025-03-09 02:00:44,112 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-03-09 02:00:44,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:48,302 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:48,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-09 02:00:48,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656616096] [2025-03-09 02:00:48,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656616096] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-09 02:00:48,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379526545] [2025-03-09 02:00:48,302 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 02:00:48,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:48,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-09 02:00:48,305 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) [2025-03-09 02:00:48,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-09 02:00:48,360 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 571 statements into 95 equivalence classes. [2025-03-09 02:00:48,841 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) and asserted 571 of 571 statements. [2025-03-09 02:00:48,841 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2025-03-09 02:00:48,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-09 02:00:48,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-03-09 02:00:48,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-09 02:00:49,235 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:49,235 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-09 02:00:56,347 INFO L134 CoverageAnalysis]: Checked inductivity of 26602 backedges. 0 proven. 26602 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-09 02:00:56,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379526545] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-09 02:00:56,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-09 02:00:56,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2025-03-09 02:00:56,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779625031] [2025-03-09 02:00:56,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-09 02:00:56,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2025-03-09 02:00:56,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-09 02:00:56,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2025-03-09 02:00:56,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2025-03-09 02:00:56,353 INFO L87 Difference]: Start difference. First operand 772 states and 804 transitions. Second operand has 192 states, 191 states have (on average 5.968586387434555) internal successors, (1140), 192 states have internal predecessors, (1140), 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) [2025-03-09 02:00:57,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-09 02:00:57,336 INFO L93 Difference]: Finished difference Result 1405 states and 1500 transitions. [2025-03-09 02:00:57,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2025-03-09 02:00:57,337 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 191 states have (on average 5.968586387434555) internal successors, (1140), 192 states have internal predecessors, (1140), 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 571 [2025-03-09 02:00:57,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-09 02:00:57,340 INFO L225 Difference]: With dead ends: 1405 [2025-03-09 02:00:57,341 INFO L226 Difference]: Without dead ends: 1404 [2025-03-09 02:00:57,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1236 GetRequests, 1046 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2025-03-09 02:00:57,342 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 934 mSDsluCounter, 1051 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 1063 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-09 02:00:57,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 1063 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-09 02:00:57,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2025-03-09 02:00:57,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1152. [2025-03-09 02:00:57,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1149 states have (on average 1.112271540469974) internal successors, (1278), 1151 states have internal predecessors, (1278), 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) [2025-03-09 02:00:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1278 transitions. [2025-03-09 02:00:57,360 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1278 transitions. Word has length 571 [2025-03-09 02:00:57,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-09 02:00:57,360 INFO L471 AbstractCegarLoop]: Abstraction has 1152 states and 1278 transitions. [2025-03-09 02:00:57,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 191 states have (on average 5.968586387434555) internal successors, (1140), 192 states have internal predecessors, (1140), 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) [2025-03-09 02:00:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1278 transitions. [2025-03-09 02:00:57,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2025-03-09 02:00:57,364 INFO L210 NwaCegarLoop]: Found error trace [2025-03-09 02:00:57,364 INFO L218 NwaCegarLoop]: trace histogram [127, 127, 127, 127, 127, 126, 1, 1, 1, 1] [2025-03-09 02:00:57,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-09 02:00:57,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-09 02:00:57,564 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-03-09 02:00:57,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-09 02:00:57,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1558055519, now seen corresponding path program 6 times [2025-03-09 02:00:57,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-09 02:00:57,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992663408] [2025-03-09 02:00:57,565 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-03-09 02:00:57,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-09 02:00:57,580 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 765 statements into 127 equivalence classes. [2025-03-09 02:00:57,805 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 127 check-sat command(s) and asserted 765 of 765 statements. [2025-03-09 02:00:57,805 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 127 check-sat command(s) [2025-03-09 02:00:57,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat