./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:57:40,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:57:40,434 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:57:40,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:57:40,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:57:40,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:57:40,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:57:40,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:57:40,456 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:57:40,457 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:57:40,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:57:40,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:57:40,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:57:40,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:57:40,457 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:57:40,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:57:40,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:57:40,457 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:57:40,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:57:40,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:57:40,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:57:40,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:57:40,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:57:40,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:57:40,458 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:57:40,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:57:40,458 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:57:40,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:57:40,458 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:57:40,458 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:57:40,459 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:57:40,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:57:40,459 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:57:40,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:57:40,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:57:40,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:57:40,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:57:40,459 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:57:40,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:57:40,459 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:57:40,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:57:40,459 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:57:40,460 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:57:40,460 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:57:40,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:57:40,460 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-jdk21/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 -> 623f8e570c67201db9fc7be447d74d083955ca752401303f9fce588b7571c3af [2025-02-08 09:57:40,674 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:57:40,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:57:40,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:57:40,683 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:57:40,683 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:57:40,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2025-02-08 09:57:41,827 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2cb327e8e/e7ad8db37345442a9c36da95f5d32bb5/FLAG1223fdeb3 [2025-02-08 09:57:42,056 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:57:42,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_valuebound5.c [2025-02-08 09:57:42,061 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2cb327e8e/e7ad8db37345442a9c36da95f5d32bb5/FLAG1223fdeb3 [2025-02-08 09:57:42,072 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2cb327e8e/e7ad8db37345442a9c36da95f5d32bb5 [2025-02-08 09:57:42,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:57:42,075 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:57:42,076 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:57:42,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:57:42,079 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:57:42,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74611737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42, skipping insertion in model container [2025-02-08 09:57:42,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,092 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:57:42,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:57:42,205 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:57:42,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:57:42,231 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:57:42,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42 WrapperNode [2025-02-08 09:57:42,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:57:42,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:57:42,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:57:42,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:57:42,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,241 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,255 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2025-02-08 09:57:42,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:57:42,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:57:42,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:57:42,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:57:42,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,269 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,278 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]. [2025-02-08 09:57:42,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,282 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,286 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,287 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:57:42,288 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:57:42,288 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:57:42,288 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:57:42,292 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42" (1/1) ... [2025-02-08 09:57:42,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:57:42,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:57:42,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:57:42,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:57:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:57:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:57:42,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:57:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:57:42,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:57:42,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:57:42,382 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:57:42,384 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:57:42,618 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2025-02-08 09:57:42,618 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:57:42,627 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:57:42,627 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:57:42,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:57:42 BoogieIcfgContainer [2025-02-08 09:57:42,627 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:57:42,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:57:42,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:57:42,635 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:57:42,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:57:42" (1/3) ... [2025-02-08 09:57:42,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ec2c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:57:42, skipping insertion in model container [2025-02-08 09:57:42,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:57:42" (2/3) ... [2025-02-08 09:57:42,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27ec2c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:57:42, skipping insertion in model container [2025-02-08 09:57:42,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:57:42" (3/3) ... [2025-02-08 09:57:42,637 INFO L128 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_valuebound5.c [2025-02-08 09:57:42,647 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:57:42,648 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG sqrt1-ll_valuebound5.c that has 2 procedures, 118 locations, 1 initial locations, 1 loop locations, and 50 error locations. [2025-02-08 09:57:42,680 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:57:42,688 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;@373c3610, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:57:42,688 INFO L334 AbstractCegarLoop]: Starting to check reachability of 50 error locations. [2025-02-08 09:57:42,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 60 states have (on average 1.9) internal successors, (114), 110 states have internal predecessors, (114), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:57:42,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:57:42,696 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:42,696 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:57:42,696 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:42,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:42,701 INFO L85 PathProgramCache]: Analyzing trace with hash 137357295, now seen corresponding path program 1 times [2025-02-08 09:57:42,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:42,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702491423] [2025-02-08 09:57:42,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:42,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:42,748 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:57:42,756 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:57:42,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:42,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:42,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:57:42,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:42,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702491423] [2025-02-08 09:57:42,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702491423] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:57:42,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:57:42,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:57:42,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537396849] [2025-02-08 09:57:42,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:57:42,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:57:42,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:42,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:57:42,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:57:42,796 INFO L87 Difference]: Start difference. First operand has 118 states, 60 states have (on average 1.9) internal successors, (114), 110 states have internal predecessors, (114), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 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) [2025-02-08 09:57:42,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:42,811 INFO L93 Difference]: Finished difference Result 230 states and 255 transitions. [2025-02-08 09:57:42,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:57:42,812 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 [2025-02-08 09:57:42,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:42,816 INFO L225 Difference]: With dead ends: 230 [2025-02-08 09:57:42,816 INFO L226 Difference]: Without dead ends: 110 [2025-02-08 09:57:42,818 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 [2025-02-08 09:57:42,820 INFO L435 NwaCegarLoop]: 119 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, 119 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 [2025-02-08 09:57:42,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:57:42,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-02-08 09:57:42,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2025-02-08 09:57:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 58 states have (on average 1.793103448275862) internal successors, (104), 103 states have internal predecessors, (104), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:57:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 114 transitions. [2025-02-08 09:57:42,845 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 114 transitions. Word has length 5 [2025-02-08 09:57:42,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:42,845 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 114 transitions. [2025-02-08 09:57:42,845 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) [2025-02-08 09:57:42,846 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2025-02-08 09:57:42,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:57:42,846 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:42,846 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:57:42,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:57:42,846 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:42,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:42,847 INFO L85 PathProgramCache]: Analyzing trace with hash 137387086, now seen corresponding path program 1 times [2025-02-08 09:57:42,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:42,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724373313] [2025-02-08 09:57:42,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:42,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:42,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:57:42,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:57:42,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:42,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:57:42,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:42,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724373313] [2025-02-08 09:57:42,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724373313] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:57:42,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:57:42,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:57:42,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502861973] [2025-02-08 09:57:42,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:57:42,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:57:42,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:42,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:57:42,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:57:42,892 INFO L87 Difference]: Start difference. First operand 110 states and 114 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2025-02-08 09:57:43,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:43,008 INFO L93 Difference]: Finished difference Result 205 states and 214 transitions. [2025-02-08 09:57:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:57:43,008 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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 [2025-02-08 09:57:43,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:43,009 INFO L225 Difference]: With dead ends: 205 [2025-02-08 09:57:43,010 INFO L226 Difference]: Without dead ends: 185 [2025-02-08 09:57:43,010 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 [2025-02-08 09:57:43,010 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 68 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:43,011 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 162 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:57:43,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2025-02-08 09:57:43,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 150. [2025-02-08 09:57:43,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 94 states have (on average 1.6170212765957446) internal successors, (152), 139 states have internal predecessors, (152), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-08 09:57:43,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 170 transitions. [2025-02-08 09:57:43,020 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 170 transitions. Word has length 5 [2025-02-08 09:57:43,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:43,020 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 170 transitions. [2025-02-08 09:57:43,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 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) [2025-02-08 09:57:43,020 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 170 transitions. [2025-02-08 09:57:43,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-08 09:57:43,020 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:43,020 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:43,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:57:43,020 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:43,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:43,021 INFO L85 PathProgramCache]: Analyzing trace with hash 762471835, now seen corresponding path program 1 times [2025-02-08 09:57:43,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:43,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031323422] [2025-02-08 09:57:43,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:43,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:43,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 09:57:43,038 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 09:57:43,038 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:43,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:57:43,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [511761951] [2025-02-08 09:57:43,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:43,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:43,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:57:43,042 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:57:43,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:57:43,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 09:57:43,078 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 09:57:43,078 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:43,078 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:43,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:57:43,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:57:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:57:43,130 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:57:43,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:43,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031323422] [2025-02-08 09:57:43,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:57:43,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [511761951] [2025-02-08 09:57:43,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [511761951] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:57:43,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:57:43,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:57:43,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099067071] [2025-02-08 09:57:43,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:57:43,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:57:43,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:43,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:57:43,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:57:43,132 INFO L87 Difference]: Start difference. First operand 150 states and 170 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:57:43,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:43,211 INFO L93 Difference]: Finished difference Result 177 states and 198 transitions. [2025-02-08 09:57:43,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:57:43,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2025-02-08 09:57:43,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:43,213 INFO L225 Difference]: With dead ends: 177 [2025-02-08 09:57:43,213 INFO L226 Difference]: Without dead ends: 169 [2025-02-08 09:57:43,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:57:43,214 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 41 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:43,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 148 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:57:43,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2025-02-08 09:57:43,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 161. [2025-02-08 09:57:43,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 104 states have (on average 1.5673076923076923) internal successors, (163), 149 states have internal predecessors, (163), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:57:43,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 183 transitions. [2025-02-08 09:57:43,222 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 183 transitions. Word has length 26 [2025-02-08 09:57:43,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:43,222 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 183 transitions. [2025-02-08 09:57:43,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:57:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 183 transitions. [2025-02-08 09:57:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:57:43,223 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:43,223 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:43,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 09:57:43,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:43,429 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:43,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:43,429 INFO L85 PathProgramCache]: Analyzing trace with hash -2133176840, now seen corresponding path program 1 times [2025-02-08 09:57:43,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:43,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033364631] [2025-02-08 09:57:43,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:43,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:43,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:57:43,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:57:43,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:43,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:43,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:57:43,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:43,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033364631] [2025-02-08 09:57:43,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033364631] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:57:43,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:57:43,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:57:43,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261260649] [2025-02-08 09:57:43,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:57:43,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:57:43,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:43,516 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:57:43,516 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:57:43,516 INFO L87 Difference]: Start difference. First operand 161 states and 183 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:57:43,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:43,592 INFO L93 Difference]: Finished difference Result 177 states and 194 transitions. [2025-02-08 09:57:43,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:57:43,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2025-02-08 09:57:43,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:43,594 INFO L225 Difference]: With dead ends: 177 [2025-02-08 09:57:43,594 INFO L226 Difference]: Without dead ends: 167 [2025-02-08 09:57:43,594 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 [2025-02-08 09:57:43,595 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 38 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:43,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 162 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:57:43,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-02-08 09:57:43,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2025-02-08 09:57:43,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 107 states have (on average 1.485981308411215) internal successors, (159), 152 states have internal predecessors, (159), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:57:43,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 179 transitions. [2025-02-08 09:57:43,602 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 179 transitions. Word has length 27 [2025-02-08 09:57:43,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:43,602 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 179 transitions. [2025-02-08 09:57:43,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:57:43,602 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 179 transitions. [2025-02-08 09:57:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-08 09:57:43,603 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:43,603 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:43,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:57:43,603 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:43,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:43,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1135080233, now seen corresponding path program 1 times [2025-02-08 09:57:43,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:43,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628988092] [2025-02-08 09:57:43,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:43,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:43,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-08 09:57:43,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-08 09:57:43,612 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:43,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:43,687 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:57:43,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:43,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628988092] [2025-02-08 09:57:43,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628988092] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:57:43,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:57:43,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:57:43,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641189120] [2025-02-08 09:57:43,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:57:43,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:57:43,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:43,688 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:57:43,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:57:43,689 INFO L87 Difference]: Start difference. First operand 164 states and 179 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:57:43,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:43,781 INFO L93 Difference]: Finished difference Result 169 states and 184 transitions. [2025-02-08 09:57:43,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:57:43,781 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2025-02-08 09:57:43,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:43,782 INFO L225 Difference]: With dead ends: 169 [2025-02-08 09:57:43,782 INFO L226 Difference]: Without dead ends: 167 [2025-02-08 09:57:43,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:57:43,783 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 80 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:43,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 154 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:57:43,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-02-08 09:57:43,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2025-02-08 09:57:43,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 107 states have (on average 1.4672897196261683) internal successors, (157), 152 states have internal predecessors, (157), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:57:43,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 177 transitions. [2025-02-08 09:57:43,790 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 177 transitions. Word has length 30 [2025-02-08 09:57:43,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:43,791 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 177 transitions. [2025-02-08 09:57:43,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:57:43,791 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 177 transitions. [2025-02-08 09:57:43,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:57:43,791 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:43,792 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:43,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:57:43,792 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:43,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:43,792 INFO L85 PathProgramCache]: Analyzing trace with hash -2057571309, now seen corresponding path program 1 times [2025-02-08 09:57:43,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:43,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176177009] [2025-02-08 09:57:43,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:43,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:43,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:57:43,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:57:43,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:43,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:57:43,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:43,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176177009] [2025-02-08 09:57:43,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176177009] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:57:43,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:57:43,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:57:43,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635408885] [2025-02-08 09:57:43,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:57:43,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:57:43,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:43,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:57:43,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:57:43,884 INFO L87 Difference]: Start difference. First operand 164 states and 177 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:57:43,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:43,966 INFO L93 Difference]: Finished difference Result 169 states and 178 transitions. [2025-02-08 09:57:43,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:57:43,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2025-02-08 09:57:43,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:43,967 INFO L225 Difference]: With dead ends: 169 [2025-02-08 09:57:43,967 INFO L226 Difference]: Without dead ends: 141 [2025-02-08 09:57:43,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:57:43,968 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 29 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:43,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 144 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:57:43,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2025-02-08 09:57:43,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2025-02-08 09:57:43,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 86 states have (on average 1.5348837209302326) internal successors, (132), 131 states have internal predecessors, (132), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:57:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 148 transitions. [2025-02-08 09:57:43,974 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 148 transitions. Word has length 34 [2025-02-08 09:57:43,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:43,974 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 148 transitions. [2025-02-08 09:57:43,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:57:43,974 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 148 transitions. [2025-02-08 09:57:43,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:57:43,975 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:43,975 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:43,975 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:57:43,975 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:43,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:43,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1724095217, now seen corresponding path program 1 times [2025-02-08 09:57:43,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:43,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184776750] [2025-02-08 09:57:43,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:43,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:43,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:57:43,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:57:43,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:43,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:44,112 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:57:44,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:44,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184776750] [2025-02-08 09:57:44,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184776750] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:57:44,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:57:44,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:57:44,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277598649] [2025-02-08 09:57:44,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:57:44,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:57:44,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:44,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:57:44,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:57:44,114 INFO L87 Difference]: Start difference. First operand 141 states and 148 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:57:44,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:44,223 INFO L93 Difference]: Finished difference Result 144 states and 152 transitions. [2025-02-08 09:57:44,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:57:44,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2025-02-08 09:57:44,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:44,224 INFO L225 Difference]: With dead ends: 144 [2025-02-08 09:57:44,224 INFO L226 Difference]: Without dead ends: 143 [2025-02-08 09:57:44,225 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 [2025-02-08 09:57:44,225 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 1 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:44,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 207 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:57:44,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-02-08 09:57:44,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 142. [2025-02-08 09:57:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 87 states have (on average 1.528735632183908) internal successors, (133), 132 states have internal predecessors, (133), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:57:44,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 149 transitions. [2025-02-08 09:57:44,231 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 149 transitions. Word has length 47 [2025-02-08 09:57:44,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:44,231 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 149 transitions. [2025-02-08 09:57:44,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:57:44,232 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 149 transitions. [2025-02-08 09:57:44,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-08 09:57:44,232 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:44,232 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:44,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 09:57:44,233 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:44,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:44,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1907344157, now seen corresponding path program 1 times [2025-02-08 09:57:44,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:44,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401794579] [2025-02-08 09:57:44,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:44,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:44,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-08 09:57:44,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-08 09:57:44,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:44,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:44,305 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:57:44,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:44,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401794579] [2025-02-08 09:57:44,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401794579] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:57:44,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:57:44,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:57:44,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641825625] [2025-02-08 09:57:44,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:57:44,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:57:44,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:44,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:57:44,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:57:44,306 INFO L87 Difference]: Start difference. First operand 142 states and 149 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:57:44,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:44,383 INFO L93 Difference]: Finished difference Result 144 states and 151 transitions. [2025-02-08 09:57:44,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:57:44,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2025-02-08 09:57:44,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:44,387 INFO L225 Difference]: With dead ends: 144 [2025-02-08 09:57:44,387 INFO L226 Difference]: Without dead ends: 143 [2025-02-08 09:57:44,387 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:57:44,387 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:44,387 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:57:44,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-02-08 09:57:44,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2025-02-08 09:57:44,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 88 states have (on average 1.5227272727272727) internal successors, (134), 133 states have internal predecessors, (134), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:57:44,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 150 transitions. [2025-02-08 09:57:44,392 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 150 transitions. Word has length 48 [2025-02-08 09:57:44,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:44,392 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 150 transitions. [2025-02-08 09:57:44,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:57:44,393 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 150 transitions. [2025-02-08 09:57:44,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-08 09:57:44,393 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:44,393 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:44,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:57:44,394 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:44,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:44,394 INFO L85 PathProgramCache]: Analyzing trace with hash 993303041, now seen corresponding path program 1 times [2025-02-08 09:57:44,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:44,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456027040] [2025-02-08 09:57:44,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:44,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:44,400 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:57:44,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:57:44,404 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:44,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:44,444 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:57:44,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:44,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456027040] [2025-02-08 09:57:44,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456027040] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:57:44,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243081721] [2025-02-08 09:57:44,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:44,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:44,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:57:44,447 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:57:44,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:57:44,485 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:57:44,496 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:57:44,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:44,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:44,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:57:44,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:57:44,578 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:57:44,578 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:57:44,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243081721] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:57:44,578 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:57:44,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-08 09:57:44,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120029592] [2025-02-08 09:57:44,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:57:44,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:57:44,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:44,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:57:44,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:57:44,579 INFO L87 Difference]: Start difference. First operand 143 states and 150 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:57:44,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:44,684 INFO L93 Difference]: Finished difference Result 143 states and 150 transitions. [2025-02-08 09:57:44,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:57:44,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2025-02-08 09:57:44,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:44,685 INFO L225 Difference]: With dead ends: 143 [2025-02-08 09:57:44,685 INFO L226 Difference]: Without dead ends: 134 [2025-02-08 09:57:44,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:57:44,685 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 72 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:44,685 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 130 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:57:44,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2025-02-08 09:57:44,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2025-02-08 09:57:44,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 88 states have (on average 1.4204545454545454) internal successors, (125), 124 states have internal predecessors, (125), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:57:44,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 141 transitions. [2025-02-08 09:57:44,691 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 141 transitions. Word has length 50 [2025-02-08 09:57:44,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:44,691 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 141 transitions. [2025-02-08 09:57:44,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:57:44,691 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 141 transitions. [2025-02-08 09:57:44,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:57:44,692 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:44,692 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:44,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 09:57:44,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:44,893 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:44,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:44,893 INFO L85 PathProgramCache]: Analyzing trace with hash 727623274, now seen corresponding path program 1 times [2025-02-08 09:57:44,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:44,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560964435] [2025-02-08 09:57:44,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:44,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:44,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:57:44,909 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:57:44,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:44,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:44,945 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:57:44,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:44,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560964435] [2025-02-08 09:57:44,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560964435] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:57:44,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424126750] [2025-02-08 09:57:44,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:44,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:44,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:57:44,952 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:57:44,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:57:44,983 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:57:44,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:57:44,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:44,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:44,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:57:44,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:57:45,053 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:57:45,053 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:57:45,125 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:57:45,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424126750] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:57:45,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:57:45,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:57:45,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614631431] [2025-02-08 09:57:45,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:57:45,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:57:45,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:45,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:57:45,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:57:45,127 INFO L87 Difference]: Start difference. First operand 134 states and 141 transitions. Second operand has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:57:45,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:45,246 INFO L93 Difference]: Finished difference Result 229 states and 258 transitions. [2025-02-08 09:57:45,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:57:45,247 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 51 [2025-02-08 09:57:45,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:45,248 INFO L225 Difference]: With dead ends: 229 [2025-02-08 09:57:45,248 INFO L226 Difference]: Without dead ends: 220 [2025-02-08 09:57:45,248 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:57:45,249 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 180 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:45,249 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 220 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:57:45,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2025-02-08 09:57:45,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 125. [2025-02-08 09:57:45,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 115 states have internal predecessors, (116), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:57:45,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 132 transitions. [2025-02-08 09:57:45,254 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 132 transitions. Word has length 51 [2025-02-08 09:57:45,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:45,255 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 132 transitions. [2025-02-08 09:57:45,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2025-02-08 09:57:45,255 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 132 transitions. [2025-02-08 09:57:45,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 09:57:45,256 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:45,256 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:45,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:57:45,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:45,460 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:45,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:45,461 INFO L85 PathProgramCache]: Analyzing trace with hash 861165825, now seen corresponding path program 1 times [2025-02-08 09:57:45,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:45,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302928131] [2025-02-08 09:57:45,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:45,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:45,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:57:45,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:57:45,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:45,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:57:45,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1171429107] [2025-02-08 09:57:45,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:45,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:45,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:57:45,489 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:57:45,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:57:45,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:57:45,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:57:45,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:45,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:45,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:57:45,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:57:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:57:45,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:57:45,693 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:57:45,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:45,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302928131] [2025-02-08 09:57:45,693 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:57:45,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171429107] [2025-02-08 09:57:45,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171429107] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:57:45,693 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:57:45,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-02-08 09:57:45,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651889579] [2025-02-08 09:57:45,693 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:57:45,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:57:45,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:45,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:57:45,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:57:45,694 INFO L87 Difference]: Start difference. First operand 125 states and 132 transitions. Second operand has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-08 09:57:45,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:45,871 INFO L93 Difference]: Finished difference Result 304 states and 326 transitions. [2025-02-08 09:57:45,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:57:45,872 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 64 [2025-02-08 09:57:45,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:45,873 INFO L225 Difference]: With dead ends: 304 [2025-02-08 09:57:45,874 INFO L226 Difference]: Without dead ends: 302 [2025-02-08 09:57:45,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:57:45,875 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 296 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:45,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 295 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:57:45,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2025-02-08 09:57:45,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 202. [2025-02-08 09:57:45,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 159 states have (on average 1.371069182389937) internal successors, (218), 185 states have internal predecessors, (218), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:57:45,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 248 transitions. [2025-02-08 09:57:45,887 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 248 transitions. Word has length 64 [2025-02-08 09:57:45,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:45,888 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 248 transitions. [2025-02-08 09:57:45,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.8) internal successors, (89), 6 states have internal predecessors, (89), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2025-02-08 09:57:45,888 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 248 transitions. [2025-02-08 09:57:45,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-08 09:57:45,889 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:45,889 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:45,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:57:46,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-08 09:57:46,091 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:46,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:46,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1310210616, now seen corresponding path program 1 times [2025-02-08 09:57:46,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:46,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666427953] [2025-02-08 09:57:46,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:46,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:46,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 09:57:46,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:57:46,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:46,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:57:46,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [529632476] [2025-02-08 09:57:46,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:46,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:46,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:57:46,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:57:46,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:57:46,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 09:57:46,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:57:46,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:46,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:46,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:57:46,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:57:46,214 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:57:46,215 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:57:46,325 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:57:46,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:46,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666427953] [2025-02-08 09:57:46,326 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:57:46,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529632476] [2025-02-08 09:57:46,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529632476] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:57:46,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:57:46,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-02-08 09:57:46,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854188196] [2025-02-08 09:57:46,328 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:57:46,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:57:46,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:46,328 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:57:46,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:57:46,329 INFO L87 Difference]: Start difference. First operand 202 states and 248 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:57:46,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:46,515 INFO L93 Difference]: Finished difference Result 262 states and 325 transitions. [2025-02-08 09:57:46,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:57:46,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 71 [2025-02-08 09:57:46,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:46,516 INFO L225 Difference]: With dead ends: 262 [2025-02-08 09:57:46,516 INFO L226 Difference]: Without dead ends: 254 [2025-02-08 09:57:46,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:57:46,517 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 218 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:46,517 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 211 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:57:46,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2025-02-08 09:57:46,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 198. [2025-02-08 09:57:46,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 161 states have (on average 1.2608695652173914) internal successors, (203), 180 states have internal predecessors, (203), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 09:57:46,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 235 transitions. [2025-02-08 09:57:46,530 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 235 transitions. Word has length 71 [2025-02-08 09:57:46,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:46,531 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 235 transitions. [2025-02-08 09:57:46,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-08 09:57:46,531 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 235 transitions. [2025-02-08 09:57:46,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-08 09:57:46,532 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:46,532 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:46,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:57:46,733 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-02-08 09:57:46,734 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:46,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:46,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1961823381, now seen corresponding path program 1 times [2025-02-08 09:57:46,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:46,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239974805] [2025-02-08 09:57:46,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:46,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:46,739 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 09:57:46,743 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 09:57:46,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:46,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:46,807 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:57:46,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:46,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239974805] [2025-02-08 09:57:46,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239974805] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:57:46,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293004336] [2025-02-08 09:57:46,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:46,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:46,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:57:46,809 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:57:46,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:57:46,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 09:57:46,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 09:57:46,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:46,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:46,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:57:46,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:57:46,959 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:57:46,959 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:57:47,047 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:57:47,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293004336] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:57:47,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:57:47,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-02-08 09:57:47,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820763165] [2025-02-08 09:57:47,047 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:57:47,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:57:47,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:47,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:57:47,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:57:47,048 INFO L87 Difference]: Start difference. First operand 198 states and 235 transitions. Second operand has 10 states, 9 states have (on average 14.0) internal successors, (126), 10 states have internal predecessors, (126), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-02-08 09:57:47,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:47,190 INFO L93 Difference]: Finished difference Result 198 states and 235 transitions. [2025-02-08 09:57:47,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:57:47,190 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.0) internal successors, (126), 10 states have internal predecessors, (126), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 72 [2025-02-08 09:57:47,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:47,191 INFO L225 Difference]: With dead ends: 198 [2025-02-08 09:57:47,191 INFO L226 Difference]: Without dead ends: 195 [2025-02-08 09:57:47,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:57:47,192 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 160 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:47,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 170 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:57:47,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2025-02-08 09:57:47,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2025-02-08 09:57:47,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 161 states have (on average 1.2173913043478262) internal successors, (196), 177 states have internal predecessors, (196), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 09:57:47,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 228 transitions. [2025-02-08 09:57:47,200 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 228 transitions. Word has length 72 [2025-02-08 09:57:47,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:47,200 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 228 transitions. [2025-02-08 09:57:47,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.0) internal successors, (126), 10 states have internal predecessors, (126), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-02-08 09:57:47,201 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 228 transitions. [2025-02-08 09:57:47,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-02-08 09:57:47,201 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:47,201 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:47,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:57:47,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-08 09:57:47,402 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:47,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:47,403 INFO L85 PathProgramCache]: Analyzing trace with hash -686982618, now seen corresponding path program 1 times [2025-02-08 09:57:47,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:47,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974169687] [2025-02-08 09:57:47,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:47,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:47,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-08 09:57:47,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 09:57:47,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:47,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:57:47,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:47,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974169687] [2025-02-08 09:57:47,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974169687] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:57:47,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2142655180] [2025-02-08 09:57:47,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:47,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:47,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:57:47,515 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:57:47,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:57:47,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-02-08 09:57:47,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-02-08 09:57:47,545 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:47,545 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:47,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:57:47,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:57:47,672 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:57:47,672 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:57:47,760 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:57:47,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2142655180] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:57:47,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:57:47,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-02-08 09:57:47,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438431389] [2025-02-08 09:57:47,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:57:47,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:57:47,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:47,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:57:47,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:57:47,762 INFO L87 Difference]: Start difference. First operand 195 states and 228 transitions. Second operand has 10 states, 9 states have (on average 14.222222222222221) internal successors, (128), 10 states have internal predecessors, (128), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-02-08 09:57:47,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:47,947 INFO L93 Difference]: Finished difference Result 221 states and 260 transitions. [2025-02-08 09:57:47,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:57:47,948 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.222222222222221) internal successors, (128), 10 states have internal predecessors, (128), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 73 [2025-02-08 09:57:47,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:47,949 INFO L225 Difference]: With dead ends: 221 [2025-02-08 09:57:47,949 INFO L226 Difference]: Without dead ends: 212 [2025-02-08 09:57:47,949 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:57:47,950 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 133 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:47,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 256 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:57:47,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2025-02-08 09:57:47,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 188. [2025-02-08 09:57:47,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 161 states have (on average 1.1180124223602483) internal successors, (180), 170 states have internal predecessors, (180), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2025-02-08 09:57:47,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 212 transitions. [2025-02-08 09:57:47,960 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 212 transitions. Word has length 73 [2025-02-08 09:57:47,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:47,960 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 212 transitions. [2025-02-08 09:57:47,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.222222222222221) internal successors, (128), 10 states have internal predecessors, (128), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-02-08 09:57:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 212 transitions. [2025-02-08 09:57:47,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-08 09:57:47,963 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:47,963 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:47,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 09:57:48,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:48,164 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:48,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:48,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1234669188, now seen corresponding path program 1 times [2025-02-08 09:57:48,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:48,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302173892] [2025-02-08 09:57:48,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:48,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:48,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-08 09:57:48,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-08 09:57:48,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:48,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:48,269 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:57:48,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:48,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302173892] [2025-02-08 09:57:48,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302173892] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:57:48,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254235109] [2025-02-08 09:57:48,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:48,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:48,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:57:48,272 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:57:48,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:57:48,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-08 09:57:48,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-08 09:57:48,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:48,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:48,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:57:48,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:57:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:57:48,501 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:57:48,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254235109] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:57:48,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:57:48,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-02-08 09:57:48,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313381859] [2025-02-08 09:57:48,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:57:48,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:57:48,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:48,502 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:57:48,502 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:57:48,502 INFO L87 Difference]: Start difference. First operand 188 states and 212 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:57:48,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:48,607 INFO L93 Difference]: Finished difference Result 188 states and 212 transitions. [2025-02-08 09:57:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:57:48,607 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 75 [2025-02-08 09:57:48,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:48,608 INFO L225 Difference]: With dead ends: 188 [2025-02-08 09:57:48,608 INFO L226 Difference]: Without dead ends: 158 [2025-02-08 09:57:48,608 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:57:48,609 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 36 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:48,609 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 121 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:57:48,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-02-08 09:57:48,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2025-02-08 09:57:48,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 139 states have (on average 1.0359712230215827) internal successors, (144), 142 states have internal predecessors, (144), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:57:48,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 172 transitions. [2025-02-08 09:57:48,618 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 172 transitions. Word has length 75 [2025-02-08 09:57:48,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:48,618 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 172 transitions. [2025-02-08 09:57:48,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:57:48,619 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 172 transitions. [2025-02-08 09:57:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-02-08 09:57:48,620 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:48,621 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2025-02-08 09:57:48,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 09:57:48,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-08 09:57:48,822 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:48,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:48,822 INFO L85 PathProgramCache]: Analyzing trace with hash -761689597, now seen corresponding path program 1 times [2025-02-08 09:57:48,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:48,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86118251] [2025-02-08 09:57:48,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:48,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:48,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-08 09:57:48,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 09:57:48,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:48,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:48,997 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:57:48,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:48,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86118251] [2025-02-08 09:57:48,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86118251] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:57:48,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769162664] [2025-02-08 09:57:48,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:57:48,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:48,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:57:49,000 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:57:49,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:57:49,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-08 09:57:49,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 09:57:49,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:57:49,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:49,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:57:49,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:57:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:57:49,353 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:57:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-08 09:57:49,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769162664] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:57:49,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:57:49,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2025-02-08 09:57:49,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092677565] [2025-02-08 09:57:49,545 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:57:49,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-08 09:57:49,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:49,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-08 09:57:49,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:57:49,547 INFO L87 Difference]: Start difference. First operand 158 states and 172 transitions. Second operand has 20 states, 19 states have (on average 14.631578947368421) internal successors, (278), 20 states have internal predecessors, (278), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-08 09:57:49,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:49,843 INFO L93 Difference]: Finished difference Result 245 states and 273 transitions. [2025-02-08 09:57:49,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:57:49,844 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 14.631578947368421) internal successors, (278), 20 states have internal predecessors, (278), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 138 [2025-02-08 09:57:49,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:49,845 INFO L225 Difference]: With dead ends: 245 [2025-02-08 09:57:49,845 INFO L226 Difference]: Without dead ends: 244 [2025-02-08 09:57:49,846 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:57:49,846 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 8 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:49,846 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 292 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:57:49,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-02-08 09:57:49,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 242. [2025-02-08 09:57:49,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 216 states have (on average 1.0509259259259258) internal successors, (227), 219 states have internal predecessors, (227), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:57:49,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 269 transitions. [2025-02-08 09:57:49,855 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 269 transitions. Word has length 138 [2025-02-08 09:57:49,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:49,855 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 269 transitions. [2025-02-08 09:57:49,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 14.631578947368421) internal successors, (278), 20 states have internal predecessors, (278), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-08 09:57:49,855 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 269 transitions. [2025-02-08 09:57:49,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-02-08 09:57:49,856 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:57:49,856 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-02-08 09:57:49,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:57:50,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:50,057 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 47 more)] === [2025-02-08 09:57:50,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:57:50,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1611608326, now seen corresponding path program 2 times [2025-02-08 09:57:50,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:57:50,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700860408] [2025-02-08 09:57:50,058 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:57:50,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:57:50,065 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 163 statements into 2 equivalence classes. [2025-02-08 09:57:50,081 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 163 of 163 statements. [2025-02-08 09:57:50,081 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:57:50,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:50,334 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 63 proven. 87 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:57:50,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:57:50,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700860408] [2025-02-08 09:57:50,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700860408] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:57:50,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127142549] [2025-02-08 09:57:50,334 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:57:50,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:57:50,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:57:50,341 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:57:50,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:57:50,381 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 163 statements into 2 equivalence classes. [2025-02-08 09:57:50,410 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 163 of 163 statements. [2025-02-08 09:57:50,411 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:57:50,411 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:57:50,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:57:50,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:57:50,710 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:57:50,710 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:57:50,951 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:57:50,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127142549] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:57:50,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:57:50,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 23 [2025-02-08 09:57:50,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369545727] [2025-02-08 09:57:50,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:57:50,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-08 09:57:50,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:57:50,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-08 09:57:50,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:57:50,953 INFO L87 Difference]: Start difference. First operand 242 states and 269 transitions. Second operand has 23 states, 23 states have (on average 14.130434782608695) internal successors, (325), 23 states have internal predecessors, (325), 12 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 12 states have call predecessors, (33), 12 states have call successors, (33) [2025-02-08 09:57:51,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:57:51,130 INFO L93 Difference]: Finished difference Result 246 states and 272 transitions. [2025-02-08 09:57:51,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:57:51,131 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 14.130434782608695) internal successors, (325), 23 states have internal predecessors, (325), 12 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 12 states have call predecessors, (33), 12 states have call successors, (33) Word has length 163 [2025-02-08 09:57:51,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:57:51,131 INFO L225 Difference]: With dead ends: 246 [2025-02-08 09:57:51,131 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 09:57:51,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=192, Invalid=510, Unknown=0, NotChecked=0, Total=702 [2025-02-08 09:57:51,132 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 115 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:57:51,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 340 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:57:51,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 09:57:51,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 09:57:51,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:57:51,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 09:57:51,133 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 163 [2025-02-08 09:57:51,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:57:51,133 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 09:57:51,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 14.130434782608695) internal successors, (325), 23 states have internal predecessors, (325), 12 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 12 states have call predecessors, (33), 12 states have call successors, (33) [2025-02-08 09:57:51,134 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 09:57:51,134 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 09:57:51,135 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 50 remaining) [2025-02-08 09:57:51,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 50 remaining) [2025-02-08 09:57:51,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 50 remaining) [2025-02-08 09:57:51,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 50 remaining) [2025-02-08 09:57:51,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 50 remaining) [2025-02-08 09:57:51,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 50 remaining) [2025-02-08 09:57:51,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 50 remaining) [2025-02-08 09:57:51,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 50 remaining) [2025-02-08 09:57:51,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 50 remaining) [2025-02-08 09:57:51,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 50 remaining) [2025-02-08 09:57:51,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 50 remaining) [2025-02-08 09:57:51,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 50 remaining) [2025-02-08 09:57:51,136 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 50 remaining) [2025-02-08 09:57:51,137 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 50 remaining) [2025-02-08 09:57:51,138 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 50 remaining) [2025-02-08 09:57:51,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 50 remaining) [2025-02-08 09:57:51,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 50 remaining) [2025-02-08 09:57:51,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 50 remaining) [2025-02-08 09:57:51,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 50 remaining) [2025-02-08 09:57:51,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 50 remaining) [2025-02-08 09:57:51,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 50 remaining) [2025-02-08 09:57:51,139 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 50 remaining) [2025-02-08 09:57:51,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:57:51,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 09:57:51,341 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:57:51,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 09:57:51,845 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 09:57:51,858 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 09:57:51 BoogieIcfgContainer [2025-02-08 09:57:51,858 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 09:57:51,859 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 09:57:51,859 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 09:57:51,859 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 09:57:51,860 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:57:42" (3/4) ... [2025-02-08 09:57:51,861 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 09:57:51,866 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-02-08 09:57:51,869 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-02-08 09:57:51,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 09:57:51,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 09:57:51,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 09:57:51,937 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 09:57:51,937 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 09:57:51,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 09:57:51,938 INFO L158 Benchmark]: Toolchain (without parser) took 9863.44ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 104.5MB in the beginning and 229.1MB in the end (delta: -124.6MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2025-02-08 09:57:51,939 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:57:51,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 155.86ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 93.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:57:51,940 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.04ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 92.3MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:57:51,941 INFO L158 Benchmark]: Boogie Preprocessor took 29.78ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 91.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:57:51,941 INFO L158 Benchmark]: IcfgBuilder took 339.52ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 72.4MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 09:57:51,941 INFO L158 Benchmark]: TraceAbstraction took 9226.32ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 72.4MB in the beginning and 237.2MB in the end (delta: -164.9MB). Peak memory consumption was 136.1MB. Max. memory is 16.1GB. [2025-02-08 09:57:51,942 INFO L158 Benchmark]: Witness Printer took 78.78ms. Allocated memory is still 302.0MB. Free memory was 237.2MB in the beginning and 229.1MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:57:51,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 201.3MB. Free memory is still 126.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 155.86ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 93.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.04ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 92.3MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.78ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 91.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 339.52ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 72.4MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9226.32ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 72.4MB in the beginning and 237.2MB in the end (delta: -164.9MB). Peak memory consumption was 136.1MB. Max. memory is 16.1GB. * Witness Printer took 78.78ms. Allocated memory is still 302.0MB. Free memory was 237.2MB in the beginning and 229.1MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 118 locations, 50 error locations. Started 1 CEGAR loops. OverallTime: 8.7s, OverallIterations: 17, TraceHistogramMax: 11, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1527 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1475 mSDsluCounter, 3285 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1970 mSDsCounter, 192 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2305 IncrementalHoareTripleChecker+Invalid, 2497 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 192 mSolverCounterUnsat, 1315 mSDtfsCounter, 2305 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1466 GetRequests, 1362 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 292 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=16, InterpolantAutomatonStates: 90, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 17 MinimizatonAttempts, 327 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1762 NumberOfCodeBlocks, 1762 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 2202 ConstructedInterpolants, 0 QuantifiedInterpolants, 9726 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1377 ConjunctsInSsa, 52 ConjunctsInUnsatCore, 31 InterpolantComputations, 10 PerfectInterpolantSequences, 1724/2591 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 50 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((((((t <= 5) && (s <= ((__int128) t + 4))) && (((__int128) t + 1) <= s)) && (3 <= t)) && (1 <= a)) && ((((__int128) a * a) + ((__int128) a * 4)) <= 9223372036854775803)) && (((long long) n + 4) <= s)) || ((((t == 1) && (a == 0)) && (n <= 5)) && (s == 1))) || ((((n <= ((__int128) s + 1)) && (3 == t)) && (a == 1)) && (s == 4))) RESULT: Ultimate proved your program to be correct! [2025-02-08 09:57:51,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE