./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 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/ps2-ll_valuebound50.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 c64519b027f84aaa6a30cfc5331268c119119293d8d39650b6d0c4f1af71d8d4 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:22:05,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:22:05,711 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:22:05,716 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:22:05,716 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:22:05,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:22:05,738 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:22:05,738 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:22:05,739 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:22:05,739 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:22:05,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:22:05,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:22:05,740 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:22:05,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:22:05,740 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:22:05,740 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:22:05,740 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:22:05,740 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:22:05,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:22:05,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:22:05,741 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:22:05,741 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:22:05,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:22:05,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:22:05,741 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:22:05,741 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:22:05,741 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:22:05,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:22:05,742 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:22:05,742 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:22:05,742 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:22:05,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:22:05,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:22:05,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:22:05,742 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:22:05,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:22:05,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:22:05,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:22:05,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:22:05,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:22:05,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:22:05,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:22:05,743 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:22:05,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:22:05,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:22:05,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:22:05,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:22:05,744 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:22:05,744 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:22:05,744 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:22:05,744 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 -> c64519b027f84aaa6a30cfc5331268c119119293d8d39650b6d0c4f1af71d8d4 [2025-01-10 02:22:06,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:22:06,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:22:06,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:22:06,055 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:22:06,056 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:22:06,057 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2025-01-10 02:22:07,423 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2cc2502aa/a051493907c34c1ab058bb338b3ed8a3/FLAG510cfb00f [2025-01-10 02:22:07,635 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:22:07,635 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound50.c [2025-01-10 02:22:07,656 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2cc2502aa/a051493907c34c1ab058bb338b3ed8a3/FLAG510cfb00f [2025-01-10 02:22:07,983 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2cc2502aa/a051493907c34c1ab058bb338b3ed8a3 [2025-01-10 02:22:07,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:22:07,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:22:07,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:22:07,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:22:07,991 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:22:07,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:22:07" (1/1) ... [2025-01-10 02:22:07,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55994ece and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:07, skipping insertion in model container [2025-01-10 02:22:07,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:22:07" (1/1) ... [2025-01-10 02:22:08,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:22:08,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:22:08,172 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:22:08,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:22:08,203 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:22:08,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08 WrapperNode [2025-01-10 02:22:08,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:22:08,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:22:08,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:22:08,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:22:08,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (1/1) ... [2025-01-10 02:22:08,219 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (1/1) ... [2025-01-10 02:22:08,235 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 62 [2025-01-10 02:22:08,236 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:22:08,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:22:08,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:22:08,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:22:08,247 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (1/1) ... [2025-01-10 02:22:08,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (1/1) ... [2025-01-10 02:22:08,248 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (1/1) ... [2025-01-10 02:22:08,262 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]. [2025-01-10 02:22:08,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (1/1) ... [2025-01-10 02:22:08,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (1/1) ... [2025-01-10 02:22:08,266 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (1/1) ... [2025-01-10 02:22:08,268 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (1/1) ... [2025-01-10 02:22:08,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (1/1) ... [2025-01-10 02:22:08,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (1/1) ... [2025-01-10 02:22:08,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (1/1) ... [2025-01-10 02:22:08,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:22:08,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:22:08,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:22:08,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:22:08,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (1/1) ... [2025-01-10 02:22:08,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:22:08,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:08,317 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) [2025-01-10 02:22:08,320 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 [2025-01-10 02:22:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:22:08,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:22:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:22:08,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:22:08,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:22:08,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:22:08,397 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:22:08,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:22:08,590 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2025-01-10 02:22:08,590 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:22:08,600 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:22:08,601 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:22:08,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:22:08 BoogieIcfgContainer [2025-01-10 02:22:08,601 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:22:08,603 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:22:08,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:22:08,607 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:22:08,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:22:07" (1/3) ... [2025-01-10 02:22:08,608 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed0dbeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:22:08, skipping insertion in model container [2025-01-10 02:22:08,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:22:08" (2/3) ... [2025-01-10 02:22:08,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed0dbeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:22:08, skipping insertion in model container [2025-01-10 02:22:08,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:22:08" (3/3) ... [2025-01-10 02:22:08,611 INFO L128 eAbstractionObserver]: Analyzing ICFG ps2-ll_valuebound50.c [2025-01-10 02:22:08,625 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:22:08,626 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps2-ll_valuebound50.c that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 22 error locations. [2025-01-10 02:22:08,679 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:22:08,690 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;@7d46aba5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:22:08,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2025-01-10 02:22:08,695 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 57 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:08,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 02:22:08,698 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:08,698 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 02:22:08,699 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:08,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:08,704 INFO L85 PathProgramCache]: Analyzing trace with hash 28693830, now seen corresponding path program 1 times [2025-01-10 02:22:08,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:08,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351451241] [2025-01-10 02:22:08,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:08,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:08,770 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 02:22:08,783 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 02:22:08,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:08,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:08,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:08,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:08,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351451241] [2025-01-10 02:22:08,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351451241] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:22:08,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:22:08,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:22:08,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217119288] [2025-01-10 02:22:08,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:22:08,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:22:08,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:08,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:22:08,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:22:08,849 INFO L87 Difference]: Start difference. First operand has 61 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 57 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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) [2025-01-10 02:22:08,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:08,869 INFO L93 Difference]: Finished difference Result 116 states and 127 transitions. [2025-01-10 02:22:08,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:22:08,871 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 [2025-01-10 02:22:08,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:08,875 INFO L225 Difference]: With dead ends: 116 [2025-01-10 02:22:08,876 INFO L226 Difference]: Without dead ends: 52 [2025-01-10 02:22:08,878 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 [2025-01-10 02:22:08,881 INFO L435 NwaCegarLoop]: 59 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, 59 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 [2025-01-10 02:22:08,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:22:08,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-01-10 02:22:08,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-01-10 02:22:08,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 49 states have internal predecessors, (50), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:22:08,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2025-01-10 02:22:08,915 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 5 [2025-01-10 02:22:08,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:08,915 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2025-01-10 02:22:08,915 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) [2025-01-10 02:22:08,915 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2025-01-10 02:22:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 02:22:08,916 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:08,916 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 02:22:08,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 02:22:08,916 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:08,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:08,917 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2025-01-10 02:22:08,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:08,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532147129] [2025-01-10 02:22:08,917 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:08,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:08,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:22:08,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:22:08,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:08,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:22:08,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [566302885] [2025-01-10 02:22:08,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:08,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:08,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:08,948 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) [2025-01-10 02:22:08,949 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 [2025-01-10 02:22:08,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 02:22:08,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 02:22:08,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:08,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:08,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:22:09,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:22:09,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:09,032 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:22:09,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:09,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532147129] [2025-01-10 02:22:09,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:22:09,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566302885] [2025-01-10 02:22:09,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566302885] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:22:09,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:22:09,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:22:09,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527143932] [2025-01-10 02:22:09,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:22:09,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:22:09,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:09,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:22:09,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:22:09,035 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:22:09,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:09,139 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2025-01-10 02:22:09,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:22:09,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 02:22:09,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:09,141 INFO L225 Difference]: With dead ends: 84 [2025-01-10 02:22:09,141 INFO L226 Difference]: Without dead ends: 80 [2025-01-10 02:22:09,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:22:09,142 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 25 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:09,142 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 52 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:22:09,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-01-10 02:22:09,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 68. [2025-01-10 02:22:09,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.6444444444444444) internal successors, (74), 64 states have internal predecessors, (74), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:09,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2025-01-10 02:22:09,149 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 6 [2025-01-10 02:22:09,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:09,150 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2025-01-10 02:22:09,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:22:09,150 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2025-01-10 02:22:09,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-01-10 02:22:09,150 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:09,150 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:22:09,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 02:22:09,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:09,351 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:09,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:09,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2025-01-10 02:22:09,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:09,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797601057] [2025-01-10 02:22:09,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:09,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:09,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-01-10 02:22:09,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-01-10 02:22:09,365 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:09,365 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:09,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:09,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:09,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797601057] [2025-01-10 02:22:09,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797601057] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:22:09,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:22:09,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:22:09,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750814086] [2025-01-10 02:22:09,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:22:09,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:22:09,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:09,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:22:09,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:22:09,401 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:22:09,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:09,476 INFO L93 Difference]: Finished difference Result 86 states and 93 transitions. [2025-01-10 02:22:09,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:22:09,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-01-10 02:22:09,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:09,477 INFO L225 Difference]: With dead ends: 86 [2025-01-10 02:22:09,477 INFO L226 Difference]: Without dead ends: 78 [2025-01-10 02:22:09,477 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 [2025-01-10 02:22:09,478 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 22 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:09,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 56 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:22:09,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-01-10 02:22:09,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 73. [2025-01-10 02:22:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 50 states have (on average 1.52) internal successors, (76), 69 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 80 transitions. [2025-01-10 02:22:09,484 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 80 transitions. Word has length 7 [2025-01-10 02:22:09,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:09,485 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 80 transitions. [2025-01-10 02:22:09,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 02:22:09,485 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2025-01-10 02:22:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-10 02:22:09,485 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:09,485 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:22:09,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 02:22:09,486 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:09,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:09,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1988383382, now seen corresponding path program 1 times [2025-01-10 02:22:09,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:09,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20951047] [2025-01-10 02:22:09,487 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:09,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:09,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-10 02:22:09,502 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-10 02:22:09,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:09,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:09,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:09,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20951047] [2025-01-10 02:22:09,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20951047] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:22:09,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:22:09,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:22:09,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834788557] [2025-01-10 02:22:09,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:22:09,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:22:09,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:09,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:22:09,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:22:09,592 INFO L87 Difference]: Start difference. First operand 73 states and 80 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-01-10 02:22:09,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:09,700 INFO L93 Difference]: Finished difference Result 82 states and 85 transitions. [2025-01-10 02:22:09,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:22:09,701 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2025-01-10 02:22:09,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:09,702 INFO L225 Difference]: With dead ends: 82 [2025-01-10 02:22:09,704 INFO L226 Difference]: Without dead ends: 70 [2025-01-10 02:22:09,704 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 [2025-01-10 02:22:09,704 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 37 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:09,705 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 54 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:22:09,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2025-01-10 02:22:09,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2025-01-10 02:22:09,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.5116279069767442) internal successors, (65), 62 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:09,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 69 transitions. [2025-01-10 02:22:09,713 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 69 transitions. Word has length 10 [2025-01-10 02:22:09,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:09,713 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 69 transitions. [2025-01-10 02:22:09,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-01-10 02:22:09,713 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 69 transitions. [2025-01-10 02:22:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-01-10 02:22:09,714 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:09,714 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:22:09,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 02:22:09,714 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:09,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:09,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1124560398, now seen corresponding path program 1 times [2025-01-10 02:22:09,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:09,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157697330] [2025-01-10 02:22:09,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:09,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:09,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-10 02:22:09,730 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-10 02:22:09,730 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:09,730 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:09,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:09,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157697330] [2025-01-10 02:22:09,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157697330] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:22:09,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:22:09,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:22:09,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964677919] [2025-01-10 02:22:09,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:22:09,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:22:09,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:09,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:22:09,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:22:09,790 INFO L87 Difference]: Start difference. First operand 66 states and 69 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:22:09,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:09,806 INFO L93 Difference]: Finished difference Result 68 states and 69 transitions. [2025-01-10 02:22:09,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:22:09,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2025-01-10 02:22:09,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:09,807 INFO L225 Difference]: With dead ends: 68 [2025-01-10 02:22:09,808 INFO L226 Difference]: Without dead ends: 66 [2025-01-10 02:22:09,808 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 [2025-01-10 02:22:09,809 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 1 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:09,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 93 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:22:09,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2025-01-10 02:22:09,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2025-01-10 02:22:09,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.4651162790697674) internal successors, (63), 62 states have internal predecessors, (63), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:09,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2025-01-10 02:22:09,817 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 19 [2025-01-10 02:22:09,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:09,819 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2025-01-10 02:22:09,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:22:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2025-01-10 02:22:09,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-10 02:22:09,819 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:09,819 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:22:09,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 02:22:09,820 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:09,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:09,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1984282122, now seen corresponding path program 1 times [2025-01-10 02:22:09,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:09,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732660691] [2025-01-10 02:22:09,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:09,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:09,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 02:22:09,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 02:22:09,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:09,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:09,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:09,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:09,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732660691] [2025-01-10 02:22:09,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732660691] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:22:09,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:22:09,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:22:09,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767070250] [2025-01-10 02:22:09,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:22:09,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:22:09,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:09,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:22:09,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:22:09,926 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:22:10,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:10,028 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2025-01-10 02:22:10,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:22:10,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2025-01-10 02:22:10,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:10,029 INFO L225 Difference]: With dead ends: 69 [2025-01-10 02:22:10,030 INFO L226 Difference]: Without dead ends: 68 [2025-01-10 02:22:10,030 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 [2025-01-10 02:22:10,030 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:10,031 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 64 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:22:10,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-01-10 02:22:10,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2025-01-10 02:22:10,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.4545454545454546) internal successors, (64), 63 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 68 transitions. [2025-01-10 02:22:10,035 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 68 transitions. Word has length 23 [2025-01-10 02:22:10,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:10,039 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 68 transitions. [2025-01-10 02:22:10,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:22:10,039 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2025-01-10 02:22:10,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-01-10 02:22:10,039 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:10,039 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:22:10,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:22:10,040 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:10,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:10,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1383203562, now seen corresponding path program 1 times [2025-01-10 02:22:10,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:10,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684977235] [2025-01-10 02:22:10,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:10,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:10,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-10 02:22:10,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-10 02:22:10,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:10,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:10,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:10,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684977235] [2025-01-10 02:22:10,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684977235] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:22:10,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:22:10,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:22:10,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890524274] [2025-01-10 02:22:10,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:22:10,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:22:10,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:10,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:22:10,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:22:10,129 INFO L87 Difference]: Start difference. First operand 67 states and 68 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:22:10,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:10,209 INFO L93 Difference]: Finished difference Result 69 states and 70 transitions. [2025-01-10 02:22:10,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:22:10,209 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2025-01-10 02:22:10,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:10,210 INFO L225 Difference]: With dead ends: 69 [2025-01-10 02:22:10,210 INFO L226 Difference]: Without dead ends: 68 [2025-01-10 02:22:10,211 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 [2025-01-10 02:22:10,211 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:10,211 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:22:10,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-01-10 02:22:10,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2025-01-10 02:22:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 64 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:10,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 69 transitions. [2025-01-10 02:22:10,222 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 69 transitions. Word has length 24 [2025-01-10 02:22:10,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:10,222 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 69 transitions. [2025-01-10 02:22:10,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:22:10,222 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 69 transitions. [2025-01-10 02:22:10,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-01-10 02:22:10,223 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:10,223 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:22:10,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 02:22:10,223 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:10,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:10,223 INFO L85 PathProgramCache]: Analyzing trace with hash -2113727208, now seen corresponding path program 1 times [2025-01-10 02:22:10,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:10,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425764571] [2025-01-10 02:22:10,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:10,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:10,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 02:22:10,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 02:22:10,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:10,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:22:10,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [295002056] [2025-01-10 02:22:10,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:10,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:10,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:10,251 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) [2025-01-10 02:22:10,253 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 [2025-01-10 02:22:10,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-10 02:22:10,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-10 02:22:10,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:10,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:10,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:22:10,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:22:10,345 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:10,345 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:22:10,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:10,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:10,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425764571] [2025-01-10 02:22:10,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:22:10,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295002056] [2025-01-10 02:22:10,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295002056] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:22:10,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:22:10,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-01-10 02:22:10,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218226636] [2025-01-10 02:22:10,448 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:22:10,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:22:10,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:10,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:22:10,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:22:10,449 INFO L87 Difference]: Start difference. First operand 68 states and 69 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:10,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:10,628 INFO L93 Difference]: Finished difference Result 131 states and 162 transitions. [2025-01-10 02:22:10,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:22:10,629 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 26 [2025-01-10 02:22:10,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:10,630 INFO L225 Difference]: With dead ends: 131 [2025-01-10 02:22:10,630 INFO L226 Difference]: Without dead ends: 127 [2025-01-10 02:22:10,630 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:22:10,630 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 91 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:10,631 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 101 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:22:10,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2025-01-10 02:22:10,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 99. [2025-01-10 02:22:10,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 93 states have internal predecessors, (116), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:22:10,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 124 transitions. [2025-01-10 02:22:10,643 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 124 transitions. Word has length 26 [2025-01-10 02:22:10,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:10,644 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 124 transitions. [2025-01-10 02:22:10,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:10,644 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2025-01-10 02:22:10,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 02:22:10,645 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:10,645 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:22:10,652 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 02:22:10,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:10,846 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:10,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:10,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1101033960, now seen corresponding path program 1 times [2025-01-10 02:22:10,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:10,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398153158] [2025-01-10 02:22:10,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:10,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:10,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 02:22:10,856 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 02:22:10,856 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:10,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:10,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:10,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398153158] [2025-01-10 02:22:10,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398153158] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:22:10,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733389579] [2025-01-10 02:22:10,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:10,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:10,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:10,951 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) [2025-01-10 02:22:10,954 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 [2025-01-10 02:22:10,976 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 02:22:10,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 02:22:10,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:10,987 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:10,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:22:10,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:22:11,098 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:11,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:22:11,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:11,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733389579] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:22:11,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:22:11,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-01-10 02:22:11,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278945371] [2025-01-10 02:22:11,170 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:22:11,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:22:11,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:11,171 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:22:11,172 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:22:11,172 INFO L87 Difference]: Start difference. First operand 99 states and 124 transitions. Second operand has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:22:11,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:11,289 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2025-01-10 02:22:11,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:22:11,290 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 27 [2025-01-10 02:22:11,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:11,290 INFO L225 Difference]: With dead ends: 99 [2025-01-10 02:22:11,290 INFO L226 Difference]: Without dead ends: 96 [2025-01-10 02:22:11,291 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:22:11,291 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 76 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:11,291 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 52 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:22:11,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2025-01-10 02:22:11,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2025-01-10 02:22:11,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 90 states have internal predecessors, (109), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:22:11,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 117 transitions. [2025-01-10 02:22:11,298 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 117 transitions. Word has length 27 [2025-01-10 02:22:11,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:11,298 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 117 transitions. [2025-01-10 02:22:11,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.666666666666667) internal successors, (60), 10 states have internal predecessors, (60), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:22:11,299 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2025-01-10 02:22:11,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-01-10 02:22:11,299 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:11,299 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:22:11,307 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-10 02:22:11,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:11,500 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:11,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:11,501 INFO L85 PathProgramCache]: Analyzing trace with hash 227685658, now seen corresponding path program 1 times [2025-01-10 02:22:11,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:11,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190913142] [2025-01-10 02:22:11,501 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:11,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:11,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 02:22:11,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 02:22:11,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:11,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:11,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:11,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:11,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190913142] [2025-01-10 02:22:11,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190913142] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:22:11,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655294385] [2025-01-10 02:22:11,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:11,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:11,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:11,594 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) [2025-01-10 02:22:11,598 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 [2025-01-10 02:22:11,627 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-10 02:22:11,639 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-10 02:22:11,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:11,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:11,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:22:11,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:22:11,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:11,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:22:11,785 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:11,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [655294385] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:22:11,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:22:11,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-01-10 02:22:11,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180930978] [2025-01-10 02:22:11,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:22:11,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 02:22:11,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:11,787 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 02:22:11,787 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:22:11,787 INFO L87 Difference]: Start difference. First operand 96 states and 117 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:22:11,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:11,944 INFO L93 Difference]: Finished difference Result 108 states and 129 transitions. [2025-01-10 02:22:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:22:11,945 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 28 [2025-01-10 02:22:11,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:11,946 INFO L225 Difference]: With dead ends: 108 [2025-01-10 02:22:11,946 INFO L226 Difference]: Without dead ends: 101 [2025-01-10 02:22:11,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:22:11,946 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 73 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:11,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 80 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:22:11,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2025-01-10 02:22:11,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 91. [2025-01-10 02:22:11,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 77 states have (on average 1.2597402597402598) internal successors, (97), 85 states have internal predecessors, (97), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:22:11,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 105 transitions. [2025-01-10 02:22:11,956 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 105 transitions. Word has length 28 [2025-01-10 02:22:11,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:11,956 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 105 transitions. [2025-01-10 02:22:11,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 10 states have internal predecessors, (62), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:22:11,956 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 105 transitions. [2025-01-10 02:22:11,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:22:11,957 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:11,957 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:22:11,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 02:22:12,160 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,SelfDestructingSolverStorable9 [2025-01-10 02:22:12,160 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:12,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:12,161 INFO L85 PathProgramCache]: Analyzing trace with hash -237413092, now seen corresponding path program 1 times [2025-01-10 02:22:12,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:12,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64754893] [2025-01-10 02:22:12,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:12,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:12,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:22:12,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:22:12,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:12,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:12,250 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:12,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:12,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64754893] [2025-01-10 02:22:12,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64754893] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:22:12,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388828117] [2025-01-10 02:22:12,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:12,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:12,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:12,253 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) [2025-01-10 02:22:12,256 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 [2025-01-10 02:22:12,278 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:22:12,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:22:12,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:12,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:12,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:22:12,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:22:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 02:22:12,416 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:22:12,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388828117] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:22:12,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:22:12,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2025-01-10 02:22:12,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869905992] [2025-01-10 02:22:12,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:22:12,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:22:12,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:12,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:22:12,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:22:12,418 INFO L87 Difference]: Start difference. First operand 91 states and 105 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:22:12,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:12,490 INFO L93 Difference]: Finished difference Result 91 states and 105 transitions. [2025-01-10 02:22:12,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:22:12,490 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2025-01-10 02:22:12,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:12,491 INFO L225 Difference]: With dead ends: 91 [2025-01-10 02:22:12,491 INFO L226 Difference]: Without dead ends: 79 [2025-01-10 02:22:12,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:22:12,492 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 17 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:12,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 50 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:22:12,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2025-01-10 02:22:12,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2025-01-10 02:22:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 69 states have (on average 1.144927536231884) internal successors, (79), 73 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:22:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2025-01-10 02:22:12,498 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 30 [2025-01-10 02:22:12,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:12,498 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2025-01-10 02:22:12,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 02:22:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2025-01-10 02:22:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:22:12,499 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:12,499 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:22:12,506 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-10 02:22:12,700 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,SelfDestructingSolverStorable10 [2025-01-10 02:22:12,700 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:12,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:12,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2090887808, now seen corresponding path program 1 times [2025-01-10 02:22:12,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:12,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820254139] [2025-01-10 02:22:12,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:12,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:12,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:22:12,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:22:12,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:12,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:12,749 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:22:12,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:12,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820254139] [2025-01-10 02:22:12,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820254139] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:22:12,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676627769] [2025-01-10 02:22:12,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:12,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:12,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:12,753 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) [2025-01-10 02:22:12,755 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 [2025-01-10 02:22:12,780 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:22:12,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:22:12,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:12,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:12,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:22:12,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:22:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:22:12,837 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:22:12,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676627769] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:22:12,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:22:12,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 02:22:12,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814087013] [2025-01-10 02:22:12,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:22:12,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:22:12,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:12,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:22:12,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:22:12,839 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:12,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:12,855 INFO L93 Difference]: Finished difference Result 79 states and 87 transitions. [2025-01-10 02:22:12,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:22:12,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2025-01-10 02:22:12,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:12,857 INFO L225 Difference]: With dead ends: 79 [2025-01-10 02:22:12,857 INFO L226 Difference]: Without dead ends: 78 [2025-01-10 02:22:12,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:22:12,858 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:12,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 49 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:22:12,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-01-10 02:22:12,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2025-01-10 02:22:12,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 69 states have (on average 1.1014492753623188) internal successors, (76), 72 states have internal predecessors, (76), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:22:12,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 84 transitions. [2025-01-10 02:22:12,865 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 84 transitions. Word has length 39 [2025-01-10 02:22:12,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:12,866 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 84 transitions. [2025-01-10 02:22:12,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:12,866 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 84 transitions. [2025-01-10 02:22:12,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 02:22:12,867 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:12,867 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 02:22:12,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 02:22:13,068 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,SelfDestructingSolverStorable11 [2025-01-10 02:22:13,068 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:13,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:13,069 INFO L85 PathProgramCache]: Analyzing trace with hash 393012676, now seen corresponding path program 1 times [2025-01-10 02:22:13,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:13,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796586731] [2025-01-10 02:22:13,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:13,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:13,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:22:13,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:22:13,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:13,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:13,122 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:22:13,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:13,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796586731] [2025-01-10 02:22:13,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796586731] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:22:13,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677564161] [2025-01-10 02:22:13,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:13,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:13,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:13,125 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) [2025-01-10 02:22:13,128 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 [2025-01-10 02:22:13,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 02:22:13,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 02:22:13,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:13,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:13,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:22:13,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:22:13,202 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:22:13,202 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:22:13,263 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 02:22:13,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677564161] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:22:13,264 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:22:13,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-10 02:22:13,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245333106] [2025-01-10 02:22:13,264 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:22:13,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:22:13,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:13,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:22:13,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:22:13,265 INFO L87 Difference]: Start difference. First operand 78 states and 84 transitions. Second operand has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 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) [2025-01-10 02:22:13,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:13,297 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2025-01-10 02:22:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:22:13,297 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 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) Word has length 40 [2025-01-10 02:22:13,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:13,298 INFO L225 Difference]: With dead ends: 91 [2025-01-10 02:22:13,298 INFO L226 Difference]: Without dead ends: 90 [2025-01-10 02:22:13,298 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:22:13,299 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 6 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:13,299 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 99 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:22:13,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2025-01-10 02:22:13,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 88. [2025-01-10 02:22:13,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 78 states have (on average 1.0769230769230769) internal successors, (84), 81 states have internal predecessors, (84), 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) [2025-01-10 02:22:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 94 transitions. [2025-01-10 02:22:13,304 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 94 transitions. Word has length 40 [2025-01-10 02:22:13,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:13,305 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 94 transitions. [2025-01-10 02:22:13,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.0) internal successors, (72), 7 states have internal predecessors, (72), 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) [2025-01-10 02:22:13,305 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 94 transitions. [2025-01-10 02:22:13,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-01-10 02:22:13,306 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:13,306 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2025-01-10 02:22:13,313 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 02:22:13,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:13,507 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:13,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:13,508 INFO L85 PathProgramCache]: Analyzing trace with hash -431714182, now seen corresponding path program 1 times [2025-01-10 02:22:13,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:13,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601800963] [2025-01-10 02:22:13,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:13,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:13,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 02:22:13,523 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 02:22:13,523 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:13,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:13,699 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:22:13,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:13,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601800963] [2025-01-10 02:22:13,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601800963] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:22:13,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48773305] [2025-01-10 02:22:13,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:22:13,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:13,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:13,702 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) [2025-01-10 02:22:13,704 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 [2025-01-10 02:22:13,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 02:22:13,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 02:22:13,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:22:13,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:13,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:22:13,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:22:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:22:13,956 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:22:14,134 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:22:14,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48773305] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:22:14,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:22:14,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2025-01-10 02:22:14,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744282413] [2025-01-10 02:22:14,135 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:22:14,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-10 02:22:14,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:14,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-10 02:22:14,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2025-01-10 02:22:14,137 INFO L87 Difference]: Start difference. First operand 88 states and 94 transitions. Second operand has 20 states, 19 states have (on average 7.578947368421052) internal successors, (144), 20 states have internal predecessors, (144), 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) [2025-01-10 02:22:14,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:14,413 INFO L93 Difference]: Finished difference Result 127 states and 141 transitions. [2025-01-10 02:22:14,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 02:22:14,414 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.578947368421052) internal successors, (144), 20 states have internal predecessors, (144), 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) Word has length 64 [2025-01-10 02:22:14,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:14,415 INFO L225 Difference]: With dead ends: 127 [2025-01-10 02:22:14,416 INFO L226 Difference]: Without dead ends: 126 [2025-01-10 02:22:14,416 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2025-01-10 02:22:14,417 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 7 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:14,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 95 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:22:14,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-01-10 02:22:14,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 124. [2025-01-10 02:22:14,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.0982142857142858) internal successors, (123), 115 states have internal predecessors, (123), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:22:14,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 137 transitions. [2025-01-10 02:22:14,431 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 137 transitions. Word has length 64 [2025-01-10 02:22:14,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:14,431 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 137 transitions. [2025-01-10 02:22:14,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.578947368421052) internal successors, (144), 20 states have internal predecessors, (144), 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) [2025-01-10 02:22:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 137 transitions. [2025-01-10 02:22:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-01-10 02:22:14,432 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:14,433 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 02:22:14,442 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-10 02:22:14,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:14,635 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:14,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:14,635 INFO L85 PathProgramCache]: Analyzing trace with hash 407402110, now seen corresponding path program 2 times [2025-01-10 02:22:14,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:14,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859512148] [2025-01-10 02:22:14,636 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:22:14,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:14,643 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 68 statements into 2 equivalence classes. [2025-01-10 02:22:14,652 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 68 of 68 statements. [2025-01-10 02:22:14,652 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:22:14,652 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:14,802 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:22:14,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:14,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859512148] [2025-01-10 02:22:14,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859512148] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:22:14,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903034934] [2025-01-10 02:22:14,803 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:22:14,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:14,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:14,805 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) [2025-01-10 02:22:14,807 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 [2025-01-10 02:22:14,834 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 68 statements into 2 equivalence classes. [2025-01-10 02:22:14,851 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 68 of 68 statements. [2025-01-10 02:22:14,852 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:22:14,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:14,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:22:14,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:22:15,096 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:22:15,097 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:22:15,277 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:22:15,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903034934] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:22:15,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:22:15,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2025-01-10 02:22:15,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365998063] [2025-01-10 02:22:15,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:22:15,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-10 02:22:15,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:15,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-10 02:22:15,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:22:15,281 INFO L87 Difference]: Start difference. First operand 124 states and 137 transitions. Second operand has 22 states, 21 states have (on average 7.238095238095238) internal successors, (152), 22 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) [2025-01-10 02:22:15,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:15,614 INFO L93 Difference]: Finished difference Result 132 states and 143 transitions. [2025-01-10 02:22:15,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 02:22:15,615 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.238095238095238) internal successors, (152), 22 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) Word has length 68 [2025-01-10 02:22:15,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:15,616 INFO L225 Difference]: With dead ends: 132 [2025-01-10 02:22:15,617 INFO L226 Difference]: Without dead ends: 131 [2025-01-10 02:22:15,617 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=321, Invalid=549, Unknown=0, NotChecked=0, Total=870 [2025-01-10 02:22:15,619 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 72 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:15,619 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 97 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:22:15,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-01-10 02:22:15,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2025-01-10 02:22:15,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 116 states have (on average 1.0775862068965518) internal successors, (125), 119 states have internal predecessors, (125), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:22:15,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 139 transitions. [2025-01-10 02:22:15,626 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 139 transitions. Word has length 68 [2025-01-10 02:22:15,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:15,627 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 139 transitions. [2025-01-10 02:22:15,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.238095238095238) internal successors, (152), 22 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) [2025-01-10 02:22:15,628 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 139 transitions. [2025-01-10 02:22:15,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-10 02:22:15,628 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:15,628 INFO L218 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2025-01-10 02:22:15,637 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 [2025-01-10 02:22:15,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:15,830 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:15,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:15,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1742033198, now seen corresponding path program 2 times [2025-01-10 02:22:15,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:15,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088666560] [2025-01-10 02:22:15,831 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:22:15,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:15,837 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 86 statements into 2 equivalence classes. [2025-01-10 02:22:15,856 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:22:15,856 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:22:15,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:22:15,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [497628117] [2025-01-10 02:22:15,857 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:22:15,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:15,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:15,859 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) [2025-01-10 02:22:15,861 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 [2025-01-10 02:22:15,886 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 86 statements into 2 equivalence classes. [2025-01-10 02:22:15,909 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:22:15,909 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:22:15,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:15,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:22:15,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:22:16,031 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:22:16,031 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:22:16,237 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 104 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:22:16,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:16,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088666560] [2025-01-10 02:22:16,239 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:22:16,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [497628117] [2025-01-10 02:22:16,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [497628117] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:22:16,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:22:16,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2025-01-10 02:22:16,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554203049] [2025-01-10 02:22:16,239 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:22:16,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:22:16,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:16,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:22:16,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:22:16,241 INFO L87 Difference]: Start difference. First operand 128 states and 139 transitions. Second operand has 12 states, 11 states have (on average 12.0) internal successors, (132), 12 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) [2025-01-10 02:22:16,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:16,570 INFO L93 Difference]: Finished difference Result 182 states and 199 transitions. [2025-01-10 02:22:16,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:22:16,570 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.0) internal successors, (132), 12 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) Word has length 86 [2025-01-10 02:22:16,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:16,571 INFO L225 Difference]: With dead ends: 182 [2025-01-10 02:22:16,571 INFO L226 Difference]: Without dead ends: 181 [2025-01-10 02:22:16,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:22:16,572 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 91 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:16,572 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 251 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:22:16,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2025-01-10 02:22:16,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 174. [2025-01-10 02:22:16,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 159 states have (on average 1.0880503144654088) internal successors, (173), 162 states have internal predecessors, (173), 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) [2025-01-10 02:22:16,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 193 transitions. [2025-01-10 02:22:16,585 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 193 transitions. Word has length 86 [2025-01-10 02:22:16,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:16,586 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 193 transitions. [2025-01-10 02:22:16,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.0) internal successors, (132), 12 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) [2025-01-10 02:22:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 193 transitions. [2025-01-10 02:22:16,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-01-10 02:22:16,589 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:16,589 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1] [2025-01-10 02:22:16,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-10 02:22:16,789 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,SelfDestructingSolverStorable15 [2025-01-10 02:22:16,790 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:16,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:16,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1954462886, now seen corresponding path program 2 times [2025-01-10 02:22:16,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:16,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323147513] [2025-01-10 02:22:16,790 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:22:16,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:16,798 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-01-10 02:22:16,800 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 20 of 100 statements. [2025-01-10 02:22:16,800 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 02:22:16,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:16,822 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-01-10 02:22:16,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:16,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323147513] [2025-01-10 02:22:16,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323147513] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:22:16,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019006171] [2025-01-10 02:22:16,823 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:22:16,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:16,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:16,825 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:22:16,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 02:22:16,854 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-01-10 02:22:16,861 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 20 of 100 statements. [2025-01-10 02:22:16,861 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 02:22:16,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:16,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:22:16,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:22:16,970 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-01-10 02:22:16,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:22:17,094 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2025-01-10 02:22:17,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019006171] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:22:17,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:22:17,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-01-10 02:22:17,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829493032] [2025-01-10 02:22:17,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:22:17,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:22:17,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:17,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:22:17,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:22:17,095 INFO L87 Difference]: Start difference. First operand 174 states and 193 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:17,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:17,122 INFO L93 Difference]: Finished difference Result 174 states and 193 transitions. [2025-01-10 02:22:17,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:22:17,123 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 100 [2025-01-10 02:22:17,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:17,124 INFO L225 Difference]: With dead ends: 174 [2025-01-10 02:22:17,124 INFO L226 Difference]: Without dead ends: 173 [2025-01-10 02:22:17,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:22:17,125 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 37 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:17,125 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 50 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:22:17,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2025-01-10 02:22:17,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2025-01-10 02:22:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 159 states have (on average 1.050314465408805) internal successors, (167), 161 states have internal predecessors, (167), 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) [2025-01-10 02:22:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 187 transitions. [2025-01-10 02:22:17,133 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 187 transitions. Word has length 100 [2025-01-10 02:22:17,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:17,133 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 187 transitions. [2025-01-10 02:22:17,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:17,134 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 187 transitions. [2025-01-10 02:22:17,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2025-01-10 02:22:17,135 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:17,135 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1, 1, 1] [2025-01-10 02:22:17,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 02:22:17,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 02:22:17,336 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:17,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:17,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1354439490, now seen corresponding path program 2 times [2025-01-10 02:22:17,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:17,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137388037] [2025-01-10 02:22:17,336 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:22:17,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:17,346 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 144 statements into 2 equivalence classes. [2025-01-10 02:22:17,378 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 144 of 144 statements. [2025-01-10 02:22:17,379 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:22:17,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:17,760 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 336 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 02:22:17,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:17,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137388037] [2025-01-10 02:22:17,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137388037] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:22:17,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860408918] [2025-01-10 02:22:17,761 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:22:17,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:17,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:17,763 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:22:17,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 02:22:17,794 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 144 statements into 2 equivalence classes. [2025-01-10 02:22:17,803 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 24 of 144 statements. [2025-01-10 02:22:17,803 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 02:22:17,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:17,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:22:17,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:22:18,006 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-01-10 02:22:18,007 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:22:18,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860408918] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:22:18,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:22:18,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2025-01-10 02:22:18,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702407626] [2025-01-10 02:22:18,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:22:18,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:22:18,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:18,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:22:18,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2025-01-10 02:22:18,009 INFO L87 Difference]: Start difference. First operand 173 states and 187 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:18,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:22:18,108 INFO L93 Difference]: Finished difference Result 175 states and 189 transitions. [2025-01-10 02:22:18,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:22:18,108 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 144 [2025-01-10 02:22:18,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:22:18,110 INFO L225 Difference]: With dead ends: 175 [2025-01-10 02:22:18,110 INFO L226 Difference]: Without dead ends: 174 [2025-01-10 02:22:18,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:22:18,111 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:22:18,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 45 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:22:18,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-01-10 02:22:18,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 172. [2025-01-10 02:22:18,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 159 states have (on average 1.0251572327044025) internal successors, (163), 160 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) [2025-01-10 02:22:18,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 183 transitions. [2025-01-10 02:22:18,120 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 183 transitions. Word has length 144 [2025-01-10 02:22:18,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:22:18,121 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 183 transitions. [2025-01-10 02:22:18,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:18,121 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 183 transitions. [2025-01-10 02:22:18,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2025-01-10 02:22:18,122 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:22:18,122 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1] [2025-01-10 02:22:18,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-10 02:22:18,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 02:22:18,326 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:22:18,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:22:18,326 INFO L85 PathProgramCache]: Analyzing trace with hash -76784314, now seen corresponding path program 3 times [2025-01-10 02:22:18,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:22:18,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749500638] [2025-01-10 02:22:18,327 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:22:18,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:22:18,337 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 148 statements into 8 equivalence classes. [2025-01-10 02:22:18,380 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 148 of 148 statements. [2025-01-10 02:22:18,381 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-01-10 02:22:18,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:18,761 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 364 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 02:22:18,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:22:18,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749500638] [2025-01-10 02:22:18,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749500638] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:22:18,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365060335] [2025-01-10 02:22:18,761 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:22:18,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:22:18,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:22:18,764 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:22:18,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 02:22:18,794 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 148 statements into 8 equivalence classes. [2025-01-10 02:22:18,805 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 28 of 148 statements. [2025-01-10 02:22:18,805 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 02:22:18,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:22:18,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:22:18,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:22:44,038 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2025-01-10 02:22:48,069 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-01-10 02:22:48,069 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:22:48,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365060335] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:22:48,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:22:48,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 23 [2025-01-10 02:22:48,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313981079] [2025-01-10 02:22:48,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:22:48,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:22:48,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:22:48,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:22:48,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=422, Unknown=2, NotChecked=42, Total=552 [2025-01-10 02:22:48,072 INFO L87 Difference]: Start difference. First operand 172 states and 183 transitions. Second operand has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:22:52,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-01-10 02:23:04,364 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification. DAG size of input: 22 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2025-01-10 02:23:12,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:12,668 INFO L93 Difference]: Finished difference Result 174 states and 185 transitions. [2025-01-10 02:23:12,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 02:23:12,669 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 148 [2025-01-10 02:23:12,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:12,670 INFO L225 Difference]: With dead ends: 174 [2025-01-10 02:23:12,670 INFO L226 Difference]: Without dead ends: 173 [2025-01-10 02:23:12,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 141 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 33.5s TimeCoverageRelationStatistics Valid=116, Invalid=640, Unknown=4, NotChecked=52, Total=812 [2025-01-10 02:23:12,671 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 45 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 40 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:12,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 38 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 84 Invalid, 1 Unknown, 40 Unchecked, 4.2s Time] [2025-01-10 02:23:12,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2025-01-10 02:23:12,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2025-01-10 02:23:12,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 159 states have (on average 1.0062893081761006) internal successors, (160), 159 states have internal predecessors, (160), 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) [2025-01-10 02:23:12,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 180 transitions. [2025-01-10 02:23:12,689 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 180 transitions. Word has length 148 [2025-01-10 02:23:12,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:12,689 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 180 transitions. [2025-01-10 02:23:12,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.125) internal successors, (41), 9 states have internal predecessors, (41), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 02:23:12,689 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 180 transitions. [2025-01-10 02:23:12,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2025-01-10 02:23:12,691 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:12,691 INFO L218 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1] [2025-01-10 02:23:12,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 02:23:12,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:12,896 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:23:12,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:12,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1200838054, now seen corresponding path program 3 times [2025-01-10 02:23:12,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:12,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291184278] [2025-01-10 02:23:12,897 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:23:12,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:12,907 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 206 statements into 11 equivalence classes. [2025-01-10 02:23:12,966 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 206 of 206 statements. [2025-01-10 02:23:12,966 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 02:23:12,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:12,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1409618590] [2025-01-10 02:23:12,967 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:23:12,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:12,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:12,970 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:23:12,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 02:23:13,004 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 206 statements into 11 equivalence classes. [2025-01-10 02:23:13,114 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 206 of 206 statements. [2025-01-10 02:23:13,114 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-01-10 02:23:13,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:13,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-01-10 02:23:13,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:13,439 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 0 proven. 740 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 02:23:13,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 0 proven. 740 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-10 02:23:14,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:14,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291184278] [2025-01-10 02:23:14,097 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:14,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409618590] [2025-01-10 02:23:14,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409618590] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:23:14,097 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:23:14,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2025-01-10 02:23:14,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309303934] [2025-01-10 02:23:14,098 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:14,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-10 02:23:14,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:14,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-10 02:23:14,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2025-01-10 02:23:14,100 INFO L87 Difference]: Start difference. First operand 171 states and 180 transitions. Second operand has 24 states, 23 states have (on average 13.565217391304348) internal successors, (312), 24 states have internal predecessors, (312), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:23:15,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:15,601 INFO L93 Difference]: Finished difference Result 364 states and 396 transitions. [2025-01-10 02:23:15,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 02:23:15,602 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 13.565217391304348) internal successors, (312), 24 states have internal predecessors, (312), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 206 [2025-01-10 02:23:15,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:15,604 INFO L225 Difference]: With dead ends: 364 [2025-01-10 02:23:15,604 INFO L226 Difference]: Without dead ends: 363 [2025-01-10 02:23:15,604 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2025-01-10 02:23:15,605 INFO L435 NwaCegarLoop]: 85 mSDtfsCounter, 134 mSDsluCounter, 776 mSDsCounter, 0 mSdLazyCounter, 1445 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:15,605 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 861 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1445 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-10 02:23:15,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-01-10 02:23:15,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2025-01-10 02:23:15,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 339 states have (on average 1.0029498525073746) internal successors, (340), 339 states have internal predecessors, (340), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:23:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 384 transitions. [2025-01-10 02:23:15,634 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 384 transitions. Word has length 206 [2025-01-10 02:23:15,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:15,634 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 384 transitions. [2025-01-10 02:23:15,635 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 13.565217391304348) internal successors, (312), 24 states have internal predecessors, (312), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-01-10 02:23:15,635 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 384 transitions. [2025-01-10 02:23:15,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2025-01-10 02:23:15,641 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:15,641 INFO L218 NwaCegarLoop]: trace histogram [23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1] [2025-01-10 02:23:15,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-10 02:23:15,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:15,842 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:23:15,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:15,843 INFO L85 PathProgramCache]: Analyzing trace with hash -348069710, now seen corresponding path program 4 times [2025-01-10 02:23:15,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:15,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277033187] [2025-01-10 02:23:15,843 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:23:15,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:15,861 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 446 statements into 2 equivalence classes. [2025-01-10 02:23:15,959 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 446 of 446 statements. [2025-01-10 02:23:15,960 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:23:15,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:15,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [227274446] [2025-01-10 02:23:15,963 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-10 02:23:15,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:15,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:15,965 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:23:15,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 02:23:16,014 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 446 statements into 2 equivalence classes. [2025-01-10 02:23:16,116 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 446 of 446 statements. [2025-01-10 02:23:16,116 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-01-10 02:23:16,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:16,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 696 conjuncts, 47 conjuncts are in the unsatisfiable core [2025-01-10 02:23:16,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:16,930 INFO L134 CoverageAnalysis]: Checked inductivity of 4664 backedges. 0 proven. 3740 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-01-10 02:23:16,930 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 4664 backedges. 0 proven. 3740 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2025-01-10 02:23:18,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:18,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277033187] [2025-01-10 02:23:18,535 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:18,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227274446] [2025-01-10 02:23:18,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227274446] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:23:18,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:23:18,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2025-01-10 02:23:18,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363985962] [2025-01-10 02:23:18,536 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:18,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-01-10 02:23:18,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:18,538 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-01-10 02:23:18,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 02:23:18,539 INFO L87 Difference]: Start difference. First operand 363 states and 384 transitions. Second operand has 48 states, 47 states have (on average 14.297872340425531) internal successors, (672), 48 states have internal predecessors, (672), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-01-10 02:23:23,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:23:23,498 INFO L93 Difference]: Finished difference Result 748 states and 816 transitions. [2025-01-10 02:23:23,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-10 02:23:23,498 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 14.297872340425531) internal successors, (672), 48 states have internal predecessors, (672), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Word has length 446 [2025-01-10 02:23:23,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:23:23,502 INFO L225 Difference]: With dead ends: 748 [2025-01-10 02:23:23,502 INFO L226 Difference]: Without dead ends: 747 [2025-01-10 02:23:23,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 912 GetRequests, 844 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2025-01-10 02:23:23,504 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 266 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 6071 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 3537 SdHoareTripleChecker+Invalid, 6095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 6071 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2025-01-10 02:23:23,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 3537 Invalid, 6095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 6071 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2025-01-10 02:23:23,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2025-01-10 02:23:23,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 747. [2025-01-10 02:23:23,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 699 states have (on average 1.0014306151645207) internal successors, (700), 699 states have internal predecessors, (700), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2025-01-10 02:23:23,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 792 transitions. [2025-01-10 02:23:23,552 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 792 transitions. Word has length 446 [2025-01-10 02:23:23,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:23:23,553 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 792 transitions. [2025-01-10 02:23:23,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 14.297872340425531) internal successors, (672), 48 states have internal predecessors, (672), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2025-01-10 02:23:23,553 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 792 transitions. [2025-01-10 02:23:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2025-01-10 02:23:23,578 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:23:23,578 INFO L218 NwaCegarLoop]: trace histogram [47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1, 1, 1] [2025-01-10 02:23:23,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-10 02:23:23,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:23,780 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2025-01-10 02:23:23,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:23:23,781 INFO L85 PathProgramCache]: Analyzing trace with hash 206527842, now seen corresponding path program 5 times [2025-01-10 02:23:23,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:23:23,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332645270] [2025-01-10 02:23:23,781 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:23:23,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:23:23,815 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 926 statements into 47 equivalence classes. [2025-01-10 02:23:24,309 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 926 of 926 statements. [2025-01-10 02:23:24,309 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-10 02:23:24,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:23:24,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1487049763] [2025-01-10 02:23:24,316 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-10 02:23:24,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:23:24,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:23:24,318 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:23:24,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 02:23:24,388 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 926 statements into 47 equivalence classes. [2025-01-10 02:23:25,154 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) and asserted 926 of 926 statements. [2025-01-10 02:23:25,155 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2025-01-10 02:23:25,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:23:25,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 1416 conjuncts, 95 conjuncts are in the unsatisfiable core [2025-01-10 02:23:25,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:23:27,005 INFO L134 CoverageAnalysis]: Checked inductivity of 20792 backedges. 0 proven. 16652 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2025-01-10 02:23:27,005 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:23:32,020 INFO L134 CoverageAnalysis]: Checked inductivity of 20792 backedges. 0 proven. 16652 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2025-01-10 02:23:32,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:23:32,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332645270] [2025-01-10 02:23:32,020 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:23:32,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487049763] [2025-01-10 02:23:32,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487049763] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:23:32,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 02:23:32,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 95 [2025-01-10 02:23:32,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243260257] [2025-01-10 02:23:32,020 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 02:23:32,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-01-10 02:23:32,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:23:32,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-01-10 02:23:32,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2398, Invalid=6722, Unknown=0, NotChecked=0, Total=9120 [2025-01-10 02:23:32,027 INFO L87 Difference]: Start difference. First operand 747 states and 792 transitions. Second operand has 96 states, 95 states have (on average 14.652631578947368) internal successors, (1392), 96 states have internal predecessors, (1392), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92)