./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.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/cohencu-ll_valuebound2.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 942b28ff7c0583b7db8395d2c315e70afc8fe68ba69d39faf867ac75d7628edb --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:53:38,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:53:38,940 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:53:38,946 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:53:38,949 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:53:38,971 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:53:38,972 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:53:38,973 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:53:38,973 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:53:38,973 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:53:38,974 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:53:38,974 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:53:38,975 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:53:38,975 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:53:38,975 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:53:38,975 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:53:38,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:53:38,975 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:53:38,975 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:53:38,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:53:38,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:53:38,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:53:38,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:53:38,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:53:38,976 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:53:38,976 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:53:38,976 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:53:38,976 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:53:38,976 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:53:38,976 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:53:38,976 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:53:38,976 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:53:38,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:53:38,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:53:38,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:53:38,977 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:53:38,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:53:38,978 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:53:38,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:53:38,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:53:38,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:53:38,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:53:38,978 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:53:38,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:53:38,978 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:53:38,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:53:38,978 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:53:38,978 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:53:38,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:53:38,979 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:53:38,979 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 -> 942b28ff7c0583b7db8395d2c315e70afc8fe68ba69d39faf867ac75d7628edb [2025-01-10 01:53:39,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:53:39,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:53:39,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:53:39,215 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:53:39,215 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:53:39,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2025-01-10 01:53:40,364 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40328baf6/d5c32565c3b345ed893947aa03123038/FLAG85ab99a14 [2025-01-10 01:53:40,643 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:53:40,643 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2025-01-10 01:53:40,653 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40328baf6/d5c32565c3b345ed893947aa03123038/FLAG85ab99a14 [2025-01-10 01:53:40,945 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40328baf6/d5c32565c3b345ed893947aa03123038 [2025-01-10 01:53:40,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:53:40,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:53:40,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:53:40,954 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:53:40,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:53:40,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:53:40" (1/1) ... [2025-01-10 01:53:40,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@635fadef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:40, skipping insertion in model container [2025-01-10 01:53:40,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:53:40" (1/1) ... [2025-01-10 01:53:40,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:53:41,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:53:41,217 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:53:41,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:53:41,241 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:53:41,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41 WrapperNode [2025-01-10 01:53:41,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:53:41,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:53:41,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:53:41,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:53:41,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (1/1) ... [2025-01-10 01:53:41,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (1/1) ... [2025-01-10 01:53:41,267 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2025-01-10 01:53:41,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:53:41,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:53:41,267 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:53:41,267 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:53:41,276 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (1/1) ... [2025-01-10 01:53:41,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (1/1) ... [2025-01-10 01:53:41,278 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (1/1) ... [2025-01-10 01:53:41,286 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 01:53:41,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (1/1) ... [2025-01-10 01:53:41,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (1/1) ... [2025-01-10 01:53:41,292 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (1/1) ... [2025-01-10 01:53:41,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (1/1) ... [2025-01-10 01:53:41,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (1/1) ... [2025-01-10 01:53:41,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (1/1) ... [2025-01-10 01:53:41,295 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (1/1) ... [2025-01-10 01:53:41,297 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:53:41,297 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:53:41,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:53:41,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:53:41,298 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (1/1) ... [2025-01-10 01:53:41,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:53:41,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:53:41,323 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 01:53:41,326 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 01:53:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 01:53:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 01:53:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:53:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:53:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 01:53:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 01:53:41,391 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:53:41,392 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:53:41,959 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2025-01-10 01:53:41,959 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:53:41,982 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:53:41,986 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 01:53:41,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:53:41 BoogieIcfgContainer [2025-01-10 01:53:41,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:53:41,988 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:53:41,988 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:53:41,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:53:41,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:53:40" (1/3) ... [2025-01-10 01:53:41,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6018e995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:53:41, skipping insertion in model container [2025-01-10 01:53:41,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:53:41" (2/3) ... [2025-01-10 01:53:41,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6018e995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:53:41, skipping insertion in model container [2025-01-10 01:53:41,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:53:41" (3/3) ... [2025-01-10 01:53:41,994 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound2.c [2025-01-10 01:53:42,003 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:53:42,005 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_valuebound2.c that has 2 procedures, 302 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2025-01-10 01:53:42,041 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:53:42,048 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;@5db4b558, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:53:42,049 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2025-01-10 01:53:42,052 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 151 states have (on average 1.9403973509933774) internal successors, (293), 289 states have internal predecessors, (293), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-10 01:53:42,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 01:53:42,055 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:42,055 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 01:53:42,056 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:42,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:42,059 INFO L85 PathProgramCache]: Analyzing trace with hash 28693830, now seen corresponding path program 1 times [2025-01-10 01:53:42,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:42,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027294244] [2025-01-10 01:53:42,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:42,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:42,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 01:53:42,117 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 01:53:42,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:42,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:42,142 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 01:53:42,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:42,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027294244] [2025-01-10 01:53:42,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027294244] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:42,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:42,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:53:42,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807569384] [2025-01-10 01:53:42,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:42,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 01:53:42,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:42,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 01:53:42,158 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 01:53:42,160 INFO L87 Difference]: Start difference. First operand has 302 states, 151 states have (on average 1.9403973509933774) internal successors, (293), 289 states have internal predecessors, (293), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) 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 01:53:42,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:42,183 INFO L93 Difference]: Finished difference Result 593 states and 636 transitions. [2025-01-10 01:53:42,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 01:53:42,184 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 01:53:42,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:42,189 INFO L225 Difference]: With dead ends: 593 [2025-01-10 01:53:42,189 INFO L226 Difference]: Without dead ends: 288 [2025-01-10 01:53:42,191 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 01:53:42,193 INFO L435 NwaCegarLoop]: 304 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, 304 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 01:53:42,193 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:53:42,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-01-10 01:53:42,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2025-01-10 01:53:42,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 146 states have (on average 1.8972602739726028) internal successors, (277), 276 states have internal predecessors, (277), 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 01:53:42,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 297 transitions. [2025-01-10 01:53:42,232 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 297 transitions. Word has length 5 [2025-01-10 01:53:42,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:42,232 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 297 transitions. [2025-01-10 01:53:42,232 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 01:53:42,232 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 297 transitions. [2025-01-10 01:53:42,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 01:53:42,232 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:42,232 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 01:53:42,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 01:53:42,233 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:42,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:42,233 INFO L85 PathProgramCache]: Analyzing trace with hash 28695752, now seen corresponding path program 1 times [2025-01-10 01:53:42,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:42,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961849731] [2025-01-10 01:53:42,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:42,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:42,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 01:53:42,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 01:53:42,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:42,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:42,273 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 01:53:42,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:42,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961849731] [2025-01-10 01:53:42,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961849731] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:42,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:42,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:53:42,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317518856] [2025-01-10 01:53:42,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:42,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:53:42,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:42,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:53:42,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:53:42,276 INFO L87 Difference]: Start difference. First operand 288 states and 297 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:53:42,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:42,413 INFO L93 Difference]: Finished difference Result 556 states and 575 transitions. [2025-01-10 01:53:42,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:53:42,414 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-01-10 01:53:42,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:42,416 INFO L225 Difference]: With dead ends: 556 [2025-01-10 01:53:42,416 INFO L226 Difference]: Without dead ends: 536 [2025-01-10 01:53:42,416 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 01:53:42,417 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 237 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:42,417 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 520 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:53:42,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2025-01-10 01:53:42,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 346. [2025-01-10 01:53:42,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 199 states have (on average 1.7989949748743719) internal successors, (358), 329 states have internal predecessors, (358), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-01-10 01:53:42,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 388 transitions. [2025-01-10 01:53:42,435 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 388 transitions. Word has length 5 [2025-01-10 01:53:42,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:42,436 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 388 transitions. [2025-01-10 01:53:42,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:53:42,436 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 388 transitions. [2025-01-10 01:53:42,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-01-10 01:53:42,436 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:42,437 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:42,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 01:53:42,437 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:42,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:42,437 INFO L85 PathProgramCache]: Analyzing trace with hash 945920580, now seen corresponding path program 1 times [2025-01-10 01:53:42,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:42,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921564679] [2025-01-10 01:53:42,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:42,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:42,450 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 01:53:42,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 01:53:42,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:42,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:53:42,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1824039755] [2025-01-10 01:53:42,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:42,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:42,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:53:42,486 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 01:53:42,488 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 01:53:42,512 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-01-10 01:53:42,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-01-10 01:53:42,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:42,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:42,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:53:42,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:53:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:53:42,640 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:53:42,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:42,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921564679] [2025-01-10 01:53:42,641 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:53:42,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824039755] [2025-01-10 01:53:42,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824039755] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:42,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:42,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:53:42,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110565401] [2025-01-10 01:53:42,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:42,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:53:42,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:42,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:53:42,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:53:42,642 INFO L87 Difference]: Start difference. First operand 346 states and 388 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:43,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:43,034 INFO L93 Difference]: Finished difference Result 506 states and 563 transitions. [2025-01-10 01:53:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:53:43,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2025-01-10 01:53:43,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:43,036 INFO L225 Difference]: With dead ends: 506 [2025-01-10 01:53:43,036 INFO L226 Difference]: Without dead ends: 451 [2025-01-10 01:53:43,037 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 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 01:53:43,037 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 134 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:43,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 267 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:53:43,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2025-01-10 01:53:43,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 431. [2025-01-10 01:53:43,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.6523297491039426) internal successors, (461), 409 states have internal predecessors, (461), 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 01:53:43,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 501 transitions. [2025-01-10 01:53:43,050 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 501 transitions. Word has length 38 [2025-01-10 01:53:43,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:43,050 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 501 transitions. [2025-01-10 01:53:43,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:43,051 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 501 transitions. [2025-01-10 01:53:43,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-01-10 01:53:43,051 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:43,051 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:43,058 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 01:53:43,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:43,256 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:43,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:43,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1503386650, now seen corresponding path program 1 times [2025-01-10 01:53:43,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:43,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592448293] [2025-01-10 01:53:43,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:43,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:43,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-01-10 01:53:43,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-01-10 01:53:43,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:43,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:43,362 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:53:43,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:43,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592448293] [2025-01-10 01:53:43,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592448293] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:43,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:43,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:53:43,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984381009] [2025-01-10 01:53:43,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:43,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:53:43,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:43,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:53:43,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:53:43,363 INFO L87 Difference]: Start difference. First operand 431 states and 501 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:43,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:43,561 INFO L93 Difference]: Finished difference Result 464 states and 508 transitions. [2025-01-10 01:53:43,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:53:43,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2025-01-10 01:53:43,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:43,563 INFO L225 Difference]: With dead ends: 464 [2025-01-10 01:53:43,563 INFO L226 Difference]: Without dead ends: 441 [2025-01-10 01:53:43,564 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 01:53:43,564 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 120 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:43,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 425 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:53:43,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-01-10 01:53:43,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2025-01-10 01:53:43,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.5698924731182795) internal successors, (438), 409 states have internal predecessors, (438), 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 01:53:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 478 transitions. [2025-01-10 01:53:43,586 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 478 transitions. Word has length 40 [2025-01-10 01:53:43,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:43,586 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 478 transitions. [2025-01-10 01:53:43,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:43,586 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 478 transitions. [2025-01-10 01:53:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-01-10 01:53:43,587 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:43,587 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:43,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 01:53:43,587 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:43,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:43,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1645556344, now seen corresponding path program 1 times [2025-01-10 01:53:43,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:43,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256976087] [2025-01-10 01:53:43,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:43,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:43,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-01-10 01:53:43,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-01-10 01:53:43,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:43,612 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:43,688 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:53:43,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:43,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256976087] [2025-01-10 01:53:43,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256976087] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:43,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:43,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:53:43,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075800001] [2025-01-10 01:53:43,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:43,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:53:43,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:43,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:53:43,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:53:43,691 INFO L87 Difference]: Start difference. First operand 431 states and 478 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:44,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:44,002 INFO L93 Difference]: Finished difference Result 443 states and 485 transitions. [2025-01-10 01:53:44,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:53:44,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2025-01-10 01:53:44,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:44,004 INFO L225 Difference]: With dead ends: 443 [2025-01-10 01:53:44,004 INFO L226 Difference]: Without dead ends: 441 [2025-01-10 01:53:44,006 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 01:53:44,006 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 252 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:44,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 367 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:53:44,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-01-10 01:53:44,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2025-01-10 01:53:44,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.5627240143369177) internal successors, (436), 409 states have internal predecessors, (436), 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 01:53:44,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 476 transitions. [2025-01-10 01:53:44,023 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 476 transitions. Word has length 42 [2025-01-10 01:53:44,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:44,024 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 476 transitions. [2025-01-10 01:53:44,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 476 transitions. [2025-01-10 01:53:44,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 01:53:44,028 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:44,028 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:44,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 01:53:44,028 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:44,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:44,029 INFO L85 PathProgramCache]: Analyzing trace with hash 527360981, now seen corresponding path program 1 times [2025-01-10 01:53:44,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:44,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510868050] [2025-01-10 01:53:44,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:44,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:44,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 01:53:44,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 01:53:44,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:44,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:53:44,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:44,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510868050] [2025-01-10 01:53:44,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510868050] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:44,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:44,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:53:44,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612935635] [2025-01-10 01:53:44,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:44,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:53:44,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:44,153 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:53:44,153 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:53:44,153 INFO L87 Difference]: Start difference. First operand 431 states and 476 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:45,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:45,111 INFO L93 Difference]: Finished difference Result 443 states and 483 transitions. [2025-01-10 01:53:45,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:53:45,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2025-01-10 01:53:45,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:45,113 INFO L225 Difference]: With dead ends: 443 [2025-01-10 01:53:45,113 INFO L226 Difference]: Without dead ends: 441 [2025-01-10 01:53:45,113 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 01:53:45,114 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 136 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:45,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 448 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 01:53:45,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-01-10 01:53:45,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 431. [2025-01-10 01:53:45,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 279 states have (on average 1.5555555555555556) internal successors, (434), 409 states have internal predecessors, (434), 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 01:53:45,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 474 transitions. [2025-01-10 01:53:45,123 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 474 transitions. Word has length 43 [2025-01-10 01:53:45,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:45,123 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 474 transitions. [2025-01-10 01:53:45,123 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:45,124 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 474 transitions. [2025-01-10 01:53:45,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 01:53:45,124 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:45,124 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:45,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 01:53:45,124 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:45,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:45,125 INFO L85 PathProgramCache]: Analyzing trace with hash -379289396, now seen corresponding path program 1 times [2025-01-10 01:53:45,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:45,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197188419] [2025-01-10 01:53:45,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:45,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:45,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 01:53:45,134 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 01:53:45,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:45,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:53:45,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1759226934] [2025-01-10 01:53:45,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:45,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:45,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:53:45,137 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 01:53:45,141 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 01:53:45,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 01:53:45,176 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 01:53:45,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:45,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:45,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:53:45,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:53:45,415 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:53:45,415 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:53:45,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:45,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197188419] [2025-01-10 01:53:45,416 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:53:45,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759226934] [2025-01-10 01:53:45,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759226934] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:45,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:45,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:53:45,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483376383] [2025-01-10 01:53:45,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:45,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:53:45,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:45,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:53:45,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:53:45,416 INFO L87 Difference]: Start difference. First operand 431 states and 474 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:45,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:45,826 INFO L93 Difference]: Finished difference Result 448 states and 481 transitions. [2025-01-10 01:53:45,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:53:45,826 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2025-01-10 01:53:45,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:45,828 INFO L225 Difference]: With dead ends: 448 [2025-01-10 01:53:45,828 INFO L226 Difference]: Without dead ends: 439 [2025-01-10 01:53:45,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 01:53:45,828 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 112 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:45,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 257 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:53:45,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2025-01-10 01:53:45,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 434. [2025-01-10 01:53:45,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 282 states have (on average 1.5283687943262412) internal successors, (431), 412 states have internal predecessors, (431), 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 01:53:45,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 471 transitions. [2025-01-10 01:53:45,838 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 471 transitions. Word has length 46 [2025-01-10 01:53:45,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:45,839 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 471 transitions. [2025-01-10 01:53:45,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:45,840 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 471 transitions. [2025-01-10 01:53:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-01-10 01:53:45,841 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:45,842 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:45,847 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 01:53:46,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:46,046 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:46,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:46,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1126930713, now seen corresponding path program 1 times [2025-01-10 01:53:46,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:46,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791195431] [2025-01-10 01:53:46,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:46,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:46,053 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-01-10 01:53:46,060 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-01-10 01:53:46,061 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:46,061 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:53:46,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:46,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791195431] [2025-01-10 01:53:46,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791195431] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:46,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:46,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:53:46,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13553245] [2025-01-10 01:53:46,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:46,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:53:46,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:46,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:53:46,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:53:46,144 INFO L87 Difference]: Start difference. First operand 434 states and 471 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:46,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:46,519 INFO L93 Difference]: Finished difference Result 447 states and 472 transitions. [2025-01-10 01:53:46,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:53:46,520 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2025-01-10 01:53:46,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:46,521 INFO L225 Difference]: With dead ends: 447 [2025-01-10 01:53:46,521 INFO L226 Difference]: Without dead ends: 441 [2025-01-10 01:53:46,521 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 01:53:46,522 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 132 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:46,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 384 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:53:46,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2025-01-10 01:53:46,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 434. [2025-01-10 01:53:46,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 282 states have (on average 1.5070921985815602) internal successors, (425), 412 states have internal predecessors, (425), 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 01:53:46,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 465 transitions. [2025-01-10 01:53:46,530 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 465 transitions. Word has length 47 [2025-01-10 01:53:46,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:46,530 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 465 transitions. [2025-01-10 01:53:46,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:46,530 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 465 transitions. [2025-01-10 01:53:46,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-01-10 01:53:46,531 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:46,531 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:46,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 01:53:46,531 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:46,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:46,531 INFO L85 PathProgramCache]: Analyzing trace with hash 591908445, now seen corresponding path program 1 times [2025-01-10 01:53:46,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:46,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867674873] [2025-01-10 01:53:46,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:46,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:46,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-01-10 01:53:46,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-10 01:53:46,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:46,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:46,631 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:53:46,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:46,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867674873] [2025-01-10 01:53:46,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867674873] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:46,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:46,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:53:46,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367633184] [2025-01-10 01:53:46,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:46,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:53:46,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:46,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:53:46,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:53:46,632 INFO L87 Difference]: Start difference. First operand 434 states and 465 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:46,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:46,946 INFO L93 Difference]: Finished difference Result 445 states and 466 transitions. [2025-01-10 01:53:46,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:53:46,947 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2025-01-10 01:53:46,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:46,948 INFO L225 Difference]: With dead ends: 445 [2025-01-10 01:53:46,948 INFO L226 Difference]: Without dead ends: 372 [2025-01-10 01:53:46,948 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 01:53:46,949 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 226 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:46,949 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 269 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:53:46,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2025-01-10 01:53:46,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 368. [2025-01-10 01:53:46,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 219 states have (on average 1.6255707762557077) internal successors, (356), 349 states have internal predecessors, (356), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-10 01:53:46,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 390 transitions. [2025-01-10 01:53:46,956 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 390 transitions. Word has length 51 [2025-01-10 01:53:46,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:46,956 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 390 transitions. [2025-01-10 01:53:46,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 01:53:46,956 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 390 transitions. [2025-01-10 01:53:46,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-01-10 01:53:46,957 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:46,957 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:46,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-10 01:53:46,957 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:46,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:46,958 INFO L85 PathProgramCache]: Analyzing trace with hash 439332191, now seen corresponding path program 1 times [2025-01-10 01:53:46,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:46,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347952165] [2025-01-10 01:53:46,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:46,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:46,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-01-10 01:53:46,970 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-01-10 01:53:46,971 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:46,971 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:47,006 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:53:47,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:47,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347952165] [2025-01-10 01:53:47,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347952165] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:47,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:47,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:53:47,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914373329] [2025-01-10 01:53:47,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:47,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:53:47,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:47,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:53:47,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:53:47,007 INFO L87 Difference]: Start difference. First operand 368 states and 390 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:53:47,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:47,231 INFO L93 Difference]: Finished difference Result 368 states and 390 transitions. [2025-01-10 01:53:47,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:53:47,232 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 83 [2025-01-10 01:53:47,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:47,233 INFO L225 Difference]: With dead ends: 368 [2025-01-10 01:53:47,233 INFO L226 Difference]: Without dead ends: 361 [2025-01-10 01:53:47,233 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 01:53:47,234 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 138 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:47,234 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 155 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:53:47,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-01-10 01:53:47,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2025-01-10 01:53:47,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 219 states have (on average 1.5936073059360731) internal successors, (349), 342 states have internal predecessors, (349), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-10 01:53:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 383 transitions. [2025-01-10 01:53:47,252 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 383 transitions. Word has length 83 [2025-01-10 01:53:47,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:47,253 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 383 transitions. [2025-01-10 01:53:47,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:53:47,253 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 383 transitions. [2025-01-10 01:53:47,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-01-10 01:53:47,254 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:47,254 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:47,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 01:53:47,254 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:47,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:47,255 INFO L85 PathProgramCache]: Analyzing trace with hash 734396193, now seen corresponding path program 1 times [2025-01-10 01:53:47,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:47,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77712743] [2025-01-10 01:53:47,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:47,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:47,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-10 01:53:47,267 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-10 01:53:47,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:47,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:47,318 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:53:47,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:47,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77712743] [2025-01-10 01:53:47,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77712743] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:47,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:47,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:53:47,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897563808] [2025-01-10 01:53:47,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:47,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:53:47,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:47,320 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:53:47,320 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:53:47,320 INFO L87 Difference]: Start difference. First operand 361 states and 383 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:53:47,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:47,507 INFO L93 Difference]: Finished difference Result 368 states and 386 transitions. [2025-01-10 01:53:47,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:53:47,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2025-01-10 01:53:47,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:47,509 INFO L225 Difference]: With dead ends: 368 [2025-01-10 01:53:47,509 INFO L226 Difference]: Without dead ends: 367 [2025-01-10 01:53:47,509 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 01:53:47,509 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 24 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:47,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 392 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:53:47,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2025-01-10 01:53:47,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 363. [2025-01-10 01:53:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 221 states have (on average 1.588235294117647) internal successors, (351), 344 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-10 01:53:47,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 385 transitions. [2025-01-10 01:53:47,516 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 385 transitions. Word has length 84 [2025-01-10 01:53:47,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:47,516 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 385 transitions. [2025-01-10 01:53:47,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:53:47,517 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 385 transitions. [2025-01-10 01:53:47,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-10 01:53:47,517 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:47,517 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:47,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-10 01:53:47,521 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:47,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:47,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1589589320, now seen corresponding path program 1 times [2025-01-10 01:53:47,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:47,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483829119] [2025-01-10 01:53:47,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:47,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:47,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 01:53:47,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 01:53:47,531 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:47,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:47,568 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:53:47,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:47,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483829119] [2025-01-10 01:53:47,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483829119] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:47,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:47,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:53:47,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216212374] [2025-01-10 01:53:47,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:47,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:53:47,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:47,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:53:47,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:53:47,570 INFO L87 Difference]: Start difference. First operand 363 states and 385 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-01-10 01:53:47,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:47,621 INFO L93 Difference]: Finished difference Result 363 states and 385 transitions. [2025-01-10 01:53:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:53:47,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 86 [2025-01-10 01:53:47,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:47,622 INFO L225 Difference]: With dead ends: 363 [2025-01-10 01:53:47,622 INFO L226 Difference]: Without dead ends: 361 [2025-01-10 01:53:47,623 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 01:53:47,623 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 192 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:47,623 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 262 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:53:47,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-01-10 01:53:47,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2025-01-10 01:53:47,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 221 states have (on average 1.5701357466063348) internal successors, (347), 342 states have internal predecessors, (347), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-10 01:53:47,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 381 transitions. [2025-01-10 01:53:47,630 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 381 transitions. Word has length 86 [2025-01-10 01:53:47,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:47,630 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 381 transitions. [2025-01-10 01:53:47,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-01-10 01:53:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 381 transitions. [2025-01-10 01:53:47,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-01-10 01:53:47,631 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:47,631 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:47,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-10 01:53:47,631 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:47,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:47,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1291445547, now seen corresponding path program 1 times [2025-01-10 01:53:47,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:47,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071135734] [2025-01-10 01:53:47,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:47,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:47,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-10 01:53:47,644 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 01:53:47,644 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:47,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:53:47,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:47,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071135734] [2025-01-10 01:53:47,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071135734] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:53:47,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1131724055] [2025-01-10 01:53:47,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:47,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:47,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:53:47,723 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 01:53:47,724 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 01:53:47,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-01-10 01:53:47,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-01-10 01:53:47,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:47,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:47,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:53:47,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:53:47,839 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:53:47,840 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:53:47,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1131724055] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:47,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:53:47,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 01:53:47,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907628949] [2025-01-10 01:53:47,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:47,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:53:47,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:47,842 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:53:47,842 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:53:47,842 INFO L87 Difference]: Start difference. First operand 361 states and 381 transitions. Second operand has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:53:47,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:47,942 INFO L93 Difference]: Finished difference Result 365 states and 381 transitions. [2025-01-10 01:53:47,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:53:47,943 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2025-01-10 01:53:47,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:47,945 INFO L225 Difference]: With dead ends: 365 [2025-01-10 01:53:47,945 INFO L226 Difference]: Without dead ends: 357 [2025-01-10 01:53:47,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 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 01:53:47,946 INFO L435 NwaCegarLoop]: 303 mSDtfsCounter, 258 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:47,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 394 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:53:47,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2025-01-10 01:53:47,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2025-01-10 01:53:47,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 221 states have (on average 1.5339366515837105) internal successors, (339), 334 states have internal predecessors, (339), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-10 01:53:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 373 transitions. [2025-01-10 01:53:47,957 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 373 transitions. Word has length 85 [2025-01-10 01:53:47,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:47,957 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 373 transitions. [2025-01-10 01:53:47,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.0) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-01-10 01:53:47,957 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 373 transitions. [2025-01-10 01:53:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-01-10 01:53:47,958 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:47,959 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:47,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 01:53:48,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:48,160 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:48,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:48,160 INFO L85 PathProgramCache]: Analyzing trace with hash 2032628840, now seen corresponding path program 1 times [2025-01-10 01:53:48,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:48,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925532948] [2025-01-10 01:53:48,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:48,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:48,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-10 01:53:48,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-10 01:53:48,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:48,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:48,252 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:53:48,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:48,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925532948] [2025-01-10 01:53:48,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925532948] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:48,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:48,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:53:48,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458634361] [2025-01-10 01:53:48,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:48,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:53:48,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:48,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:53:48,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:53:48,254 INFO L87 Difference]: Start difference. First operand 353 states and 373 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:53:48,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:48,401 INFO L93 Difference]: Finished difference Result 357 states and 373 transitions. [2025-01-10 01:53:48,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:53:48,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 87 [2025-01-10 01:53:48,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:48,405 INFO L225 Difference]: With dead ends: 357 [2025-01-10 01:53:48,405 INFO L226 Difference]: Without dead ends: 353 [2025-01-10 01:53:48,405 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:53:48,405 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 48 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:48,405 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 700 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:53:48,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2025-01-10 01:53:48,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 351. [2025-01-10 01:53:48,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 219 states have (on average 1.5296803652968036) internal successors, (335), 332 states have internal predecessors, (335), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-10 01:53:48,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 369 transitions. [2025-01-10 01:53:48,422 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 369 transitions. Word has length 87 [2025-01-10 01:53:48,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:48,422 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 369 transitions. [2025-01-10 01:53:48,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-01-10 01:53:48,422 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 369 transitions. [2025-01-10 01:53:48,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-10 01:53:48,423 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:48,423 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:48,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 01:53:48,423 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:48,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:48,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1380106339, now seen corresponding path program 1 times [2025-01-10 01:53:48,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:48,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767636283] [2025-01-10 01:53:48,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:48,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:48,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 01:53:48,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 01:53:48,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:48,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:48,482 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:53:48,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:48,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767636283] [2025-01-10 01:53:48,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767636283] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:53:48,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1532686202] [2025-01-10 01:53:48,483 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:48,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:48,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:53:48,486 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 01:53:48,487 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 01:53:48,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 01:53:48,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 01:53:48,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:48,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:48,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:53:48,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:53:48,597 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:53:48,597 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:53:48,695 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-01-10 01:53:48,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1532686202] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:53:48,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:53:48,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-10 01:53:48,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364095366] [2025-01-10 01:53:48,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:53:48,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:53:48,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:48,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:53:48,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:53:48,697 INFO L87 Difference]: Start difference. First operand 351 states and 369 transitions. Second operand has 7 states, 6 states have (on average 28.666666666666668) internal successors, (172), 7 states have internal predecessors, (172), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-01-10 01:53:48,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:48,846 INFO L93 Difference]: Finished difference Result 610 states and 648 transitions. [2025-01-10 01:53:48,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:53:48,846 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 28.666666666666668) internal successors, (172), 7 states have internal predecessors, (172), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 86 [2025-01-10 01:53:48,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:48,848 INFO L225 Difference]: With dead ends: 610 [2025-01-10 01:53:48,848 INFO L226 Difference]: Without dead ends: 602 [2025-01-10 01:53:48,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 168 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 01:53:48,849 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 467 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:48,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 743 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:53:48,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2025-01-10 01:53:48,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 409. [2025-01-10 01:53:48,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 278 states have (on average 1.5215827338129497) internal successors, (423), 385 states have internal predecessors, (423), 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 01:53:48,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 467 transitions. [2025-01-10 01:53:48,861 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 467 transitions. Word has length 86 [2025-01-10 01:53:48,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:48,861 INFO L471 AbstractCegarLoop]: Abstraction has 409 states and 467 transitions. [2025-01-10 01:53:48,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 28.666666666666668) internal successors, (172), 7 states have internal predecessors, (172), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-01-10 01:53:48,862 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 467 transitions. [2025-01-10 01:53:48,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-01-10 01:53:48,862 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:48,862 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:48,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 01:53:49,063 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,SelfDestructingSolverStorable14 [2025-01-10 01:53:49,063 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:49,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:49,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1433225268, now seen corresponding path program 1 times [2025-01-10 01:53:49,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:49,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820875714] [2025-01-10 01:53:49,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:49,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:49,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-10 01:53:49,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 01:53:49,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:49,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:53:49,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1990573286] [2025-01-10 01:53:49,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:49,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:49,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:53:49,084 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 01:53:49,090 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 01:53:49,112 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-01-10 01:53:49,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-01-10 01:53:49,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:49,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:49,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:53:49,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:53:49,220 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:53:49,220 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:53:49,337 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-01-10 01:53:49,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:49,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820875714] [2025-01-10 01:53:49,337 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:53:49,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990573286] [2025-01-10 01:53:49,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990573286] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:53:49,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:53:49,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-01-10 01:53:49,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098934986] [2025-01-10 01:53:49,337 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:53:49,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:53:49,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:49,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:53:49,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:53:49,338 INFO L87 Difference]: Start difference. First operand 409 states and 467 transitions. Second operand has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 01:53:49,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:49,485 INFO L93 Difference]: Finished difference Result 612 states and 644 transitions. [2025-01-10 01:53:49,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:53:49,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 97 [2025-01-10 01:53:49,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:49,487 INFO L225 Difference]: With dead ends: 612 [2025-01-10 01:53:49,487 INFO L226 Difference]: Without dead ends: 607 [2025-01-10 01:53:49,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 188 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 01:53:49,488 INFO L435 NwaCegarLoop]: 299 mSDtfsCounter, 1094 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 784 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:49,488 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 784 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:53:49,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2025-01-10 01:53:49,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 414. [2025-01-10 01:53:49,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 286 states have (on average 1.479020979020979) internal successors, (423), 389 states have internal predecessors, (423), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:53:49,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 469 transitions. [2025-01-10 01:53:49,498 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 469 transitions. Word has length 97 [2025-01-10 01:53:49,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:49,498 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 469 transitions. [2025-01-10 01:53:49,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.8) internal successors, (134), 6 states have internal predecessors, (134), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-01-10 01:53:49,498 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 469 transitions. [2025-01-10 01:53:49,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-01-10 01:53:49,498 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:49,499 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:49,506 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 01:53:49,699 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,SelfDestructingSolverStorable15 [2025-01-10 01:53:49,699 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:49,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:49,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1041802868, now seen corresponding path program 1 times [2025-01-10 01:53:49,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:49,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545828406] [2025-01-10 01:53:49,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:49,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:49,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-01-10 01:53:49,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-01-10 01:53:49,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:49,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:49,826 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 01:53:49,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:49,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545828406] [2025-01-10 01:53:49,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545828406] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:49,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:49,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:53:49,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133723090] [2025-01-10 01:53:49,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:49,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:53:49,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:49,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:53:49,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:53:49,827 INFO L87 Difference]: Start difference. First operand 414 states and 469 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:53:49,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:49,948 INFO L93 Difference]: Finished difference Result 420 states and 472 transitions. [2025-01-10 01:53:49,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:53:49,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 103 [2025-01-10 01:53:49,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:49,950 INFO L225 Difference]: With dead ends: 420 [2025-01-10 01:53:49,950 INFO L226 Difference]: Without dead ends: 392 [2025-01-10 01:53:49,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:53:49,950 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 456 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:49,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 400 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:53:49,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-01-10 01:53:49,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2025-01-10 01:53:49,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 268 states have (on average 1.4962686567164178) internal successors, (401), 369 states have internal predecessors, (401), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 01:53:49,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 443 transitions. [2025-01-10 01:53:49,959 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 443 transitions. Word has length 103 [2025-01-10 01:53:49,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:49,959 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 443 transitions. [2025-01-10 01:53:49,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:53:49,959 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 443 transitions. [2025-01-10 01:53:49,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-01-10 01:53:49,960 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:49,960 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:49,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-01-10 01:53:49,960 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:49,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:49,961 INFO L85 PathProgramCache]: Analyzing trace with hash 117926465, now seen corresponding path program 1 times [2025-01-10 01:53:49,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:49,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153158676] [2025-01-10 01:53:49,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:49,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:49,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-10 01:53:49,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-10 01:53:49,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:49,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:53:49,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2060686551] [2025-01-10 01:53:49,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:49,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:49,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:53:49,982 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 01:53:49,985 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 01:53:50,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-01-10 01:53:50,023 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-01-10 01:53:50,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:50,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:50,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:53:50,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:53:50,216 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:53:50,216 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:53:50,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:50,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153158676] [2025-01-10 01:53:50,216 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:53:50,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060686551] [2025-01-10 01:53:50,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060686551] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:50,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:50,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:53:50,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667142173] [2025-01-10 01:53:50,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:50,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:53:50,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:50,217 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:53:50,217 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:53:50,218 INFO L87 Difference]: Start difference. First operand 392 states and 443 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 01:53:50,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:50,595 INFO L93 Difference]: Finished difference Result 392 states and 443 transitions. [2025-01-10 01:53:50,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:53:50,596 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 118 [2025-01-10 01:53:50,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:50,597 INFO L225 Difference]: With dead ends: 392 [2025-01-10 01:53:50,597 INFO L226 Difference]: Without dead ends: 382 [2025-01-10 01:53:50,597 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:53:50,597 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 231 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:50,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 238 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:53:50,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-01-10 01:53:50,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2025-01-10 01:53:50,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 268 states have (on average 1.4440298507462686) internal successors, (387), 359 states have internal predecessors, (387), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-01-10 01:53:50,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 429 transitions. [2025-01-10 01:53:50,608 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 429 transitions. Word has length 118 [2025-01-10 01:53:50,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:50,608 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 429 transitions. [2025-01-10 01:53:50,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 01:53:50,608 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 429 transitions. [2025-01-10 01:53:50,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-01-10 01:53:50,608 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:50,609 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:50,618 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 01:53:50,810 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,SelfDestructingSolverStorable17 [2025-01-10 01:53:50,810 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:50,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:50,810 INFO L85 PathProgramCache]: Analyzing trace with hash -639246796, now seen corresponding path program 1 times [2025-01-10 01:53:50,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:50,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217656621] [2025-01-10 01:53:50,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:50,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:50,816 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-10 01:53:50,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-10 01:53:50,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:50,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:53:50,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [20235074] [2025-01-10 01:53:50,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:50,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:50,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:53:50,832 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 01:53:50,835 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 01:53:50,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-01-10 01:53:50,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-01-10 01:53:50,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:50,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:50,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:53:50,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:53:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:53:51,136 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:53:51,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:51,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217656621] [2025-01-10 01:53:51,629 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:53:51,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20235074] [2025-01-10 01:53:51,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20235074] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:53:51,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:53:51,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 01:53:51,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328681750] [2025-01-10 01:53:51,630 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:53:51,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:53:51,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:51,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:53:51,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:53:51,632 INFO L87 Difference]: Start difference. First operand 382 states and 429 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 01:53:52,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:52,128 INFO L93 Difference]: Finished difference Result 507 states and 586 transitions. [2025-01-10 01:53:52,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:53:52,128 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 119 [2025-01-10 01:53:52,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:52,130 INFO L225 Difference]: With dead ends: 507 [2025-01-10 01:53:52,130 INFO L226 Difference]: Without dead ends: 483 [2025-01-10 01:53:52,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:53:52,130 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 129 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:52,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 374 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:53:52,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2025-01-10 01:53:52,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 467. [2025-01-10 01:53:52,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 348 states have (on average 1.4454022988505748) internal successors, (503), 439 states have internal predecessors, (503), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-10 01:53:52,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 555 transitions. [2025-01-10 01:53:52,141 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 555 transitions. Word has length 119 [2025-01-10 01:53:52,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:52,141 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 555 transitions. [2025-01-10 01:53:52,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 01:53:52,142 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 555 transitions. [2025-01-10 01:53:52,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-01-10 01:53:52,142 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:52,142 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:52,151 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 01:53:52,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:52,347 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:52,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:52,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1658185891, now seen corresponding path program 1 times [2025-01-10 01:53:52,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:52,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547129783] [2025-01-10 01:53:52,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:52,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:52,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-10 01:53:52,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 01:53:52,361 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:52,361 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:52,469 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:53:52,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:52,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547129783] [2025-01-10 01:53:52,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547129783] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:53:52,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868834156] [2025-01-10 01:53:52,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:52,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:52,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:53:52,474 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 01:53:52,476 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 01:53:52,497 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-01-10 01:53:52,514 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-01-10 01:53:52,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:52,515 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:52,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:53:52,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:53:52,673 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:53:52,674 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:53:52,798 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:53:52,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868834156] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:53:52,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:53:52,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-01-10 01:53:52,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121110547] [2025-01-10 01:53:52,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:53:52,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:53:52,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:52,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:53:52,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:53:52,800 INFO L87 Difference]: Start difference. First operand 467 states and 555 transitions. Second operand has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-01-10 01:53:53,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:53,354 INFO L93 Difference]: Finished difference Result 489 states and 562 transitions. [2025-01-10 01:53:53,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:53:53,355 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 120 [2025-01-10 01:53:53,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:53,356 INFO L225 Difference]: With dead ends: 489 [2025-01-10 01:53:53,356 INFO L226 Difference]: Without dead ends: 484 [2025-01-10 01:53:53,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:53:53,357 INFO L435 NwaCegarLoop]: 182 mSDtfsCounter, 330 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 666 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:53,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 666 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 837 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:53:53,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-01-10 01:53:53,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 463. [2025-01-10 01:53:53,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 348 states have (on average 1.4195402298850575) internal successors, (494), 435 states have internal predecessors, (494), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-10 01:53:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 546 transitions. [2025-01-10 01:53:53,367 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 546 transitions. Word has length 120 [2025-01-10 01:53:53,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:53,367 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 546 transitions. [2025-01-10 01:53:53,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.571428571428573) internal successors, (214), 8 states have internal predecessors, (214), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-01-10 01:53:53,368 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 546 transitions. [2025-01-10 01:53:53,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-01-10 01:53:53,368 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:53,368 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:53,376 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 01:53:53,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:53,569 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:53,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:53,570 INFO L85 PathProgramCache]: Analyzing trace with hash -135844842, now seen corresponding path program 1 times [2025-01-10 01:53:53,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:53,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226693813] [2025-01-10 01:53:53,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:53,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:53,575 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-01-10 01:53:53,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-01-10 01:53:53,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:53,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:53,652 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:53:53,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:53,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226693813] [2025-01-10 01:53:53,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226693813] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:53:53,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943084888] [2025-01-10 01:53:53,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:53,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:53,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:53:53,656 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 01:53:53,657 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 01:53:53,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-01-10 01:53:53,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-01-10 01:53:53,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:53,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:53,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:53:53,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:53:53,970 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:53:53,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:53:54,112 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:53:54,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943084888] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:53:54,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:53:54,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-01-10 01:53:54,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241218764] [2025-01-10 01:53:54,112 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:53:54,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:53:54,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:54,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:53:54,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:53:54,117 INFO L87 Difference]: Start difference. First operand 463 states and 546 transitions. Second operand has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-01-10 01:53:54,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:54,561 INFO L93 Difference]: Finished difference Result 485 states and 553 transitions. [2025-01-10 01:53:54,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:53:54,562 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 121 [2025-01-10 01:53:54,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:54,563 INFO L225 Difference]: With dead ends: 485 [2025-01-10 01:53:54,563 INFO L226 Difference]: Without dead ends: 480 [2025-01-10 01:53:54,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:53:54,564 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 328 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:54,564 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 507 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:53:54,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2025-01-10 01:53:54,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 459. [2025-01-10 01:53:54,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 348 states have (on average 1.3936781609195403) internal successors, (485), 431 states have internal predecessors, (485), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-10 01:53:54,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 537 transitions. [2025-01-10 01:53:54,573 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 537 transitions. Word has length 121 [2025-01-10 01:53:54,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:54,573 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 537 transitions. [2025-01-10 01:53:54,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-01-10 01:53:54,573 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 537 transitions. [2025-01-10 01:53:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-01-10 01:53:54,574 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:54,574 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:54,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 01:53:54,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:54,778 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:54,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:54,778 INFO L85 PathProgramCache]: Analyzing trace with hash 83777285, now seen corresponding path program 1 times [2025-01-10 01:53:54,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:54,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127091462] [2025-01-10 01:53:54,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:54,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:54,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-10 01:53:54,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-10 01:53:54,793 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:54,793 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:53:54,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [892334802] [2025-01-10 01:53:54,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:54,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:54,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:53:54,800 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 01:53:54,800 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 01:53:54,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-01-10 01:53:54,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-10 01:53:54,838 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:54,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:54,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:53:54,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:53:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:53:55,238 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:53:55,510 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-01-10 01:53:55,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:55,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127091462] [2025-01-10 01:53:55,510 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:53:55,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892334802] [2025-01-10 01:53:55,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892334802] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:53:55,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:53:55,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-01-10 01:53:55,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994257426] [2025-01-10 01:53:55,510 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:53:55,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:53:55,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:55,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:53:55,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:53:55,511 INFO L87 Difference]: Start difference. First operand 459 states and 537 transitions. Second operand has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 10 states have internal predecessors, (164), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-01-10 01:53:57,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:57,358 INFO L93 Difference]: Finished difference Result 504 states and 544 transitions. [2025-01-10 01:53:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:53:57,359 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 10 states have internal predecessors, (164), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 122 [2025-01-10 01:53:57,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:57,360 INFO L225 Difference]: With dead ends: 504 [2025-01-10 01:53:57,363 INFO L226 Difference]: Without dead ends: 410 [2025-01-10 01:53:57,364 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:53:57,365 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 314 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 1596 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 1660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:57,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 482 Invalid, 1660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1596 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-01-10 01:53:57,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2025-01-10 01:53:57,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 406. [2025-01-10 01:53:57,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 300 states have (on average 1.33) internal successors, (399), 381 states have internal predecessors, (399), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:53:57,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 445 transitions. [2025-01-10 01:53:57,384 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 445 transitions. Word has length 122 [2025-01-10 01:53:57,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:57,385 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 445 transitions. [2025-01-10 01:53:57,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 10 states have internal predecessors, (164), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-01-10 01:53:57,385 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 445 transitions. [2025-01-10 01:53:57,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2025-01-10 01:53:57,386 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:57,386 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:57,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 01:53:57,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:57,586 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:57,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:57,587 INFO L85 PathProgramCache]: Analyzing trace with hash 5332062, now seen corresponding path program 1 times [2025-01-10 01:53:57,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:57,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799102197] [2025-01-10 01:53:57,587 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:57,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:57,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 164 statements into 1 equivalence classes. [2025-01-10 01:53:57,600 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 164 of 164 statements. [2025-01-10 01:53:57,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:57,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:57,630 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-01-10 01:53:57,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:57,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799102197] [2025-01-10 01:53:57,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799102197] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:53:57,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:53:57,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:53:57,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755727693] [2025-01-10 01:53:57,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:53:57,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:53:57,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:57,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:53:57,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:53:57,631 INFO L87 Difference]: Start difference. First operand 406 states and 445 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:53:57,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:57,837 INFO L93 Difference]: Finished difference Result 406 states and 445 transitions. [2025-01-10 01:53:57,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:53:57,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 164 [2025-01-10 01:53:57,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:57,839 INFO L225 Difference]: With dead ends: 406 [2025-01-10 01:53:57,839 INFO L226 Difference]: Without dead ends: 403 [2025-01-10 01:53:57,839 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 01:53:57,839 INFO L435 NwaCegarLoop]: 108 mSDtfsCounter, 124 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:57,839 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 153 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:53:57,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-01-10 01:53:57,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-01-10 01:53:57,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 300 states have (on average 1.3166666666666667) internal successors, (395), 378 states have internal predecessors, (395), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:53:57,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 441 transitions. [2025-01-10 01:53:57,848 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 441 transitions. Word has length 164 [2025-01-10 01:53:57,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:57,848 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 441 transitions. [2025-01-10 01:53:57,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:53:57,848 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 441 transitions. [2025-01-10 01:53:57,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-01-10 01:53:57,849 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:57,850 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:57,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-01-10 01:53:57,850 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:57,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:57,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1689751559, now seen corresponding path program 1 times [2025-01-10 01:53:57,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:57,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147948889] [2025-01-10 01:53:57,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:57,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:57,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-01-10 01:53:57,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-01-10 01:53:57,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:57,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:53:57,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [804977450] [2025-01-10 01:53:57,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:57,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:57,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:53:57,872 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 01:53:57,878 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 01:53:57,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-01-10 01:53:57,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-01-10 01:53:57,922 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:57,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:57,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:53:57,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:53:58,151 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-10 01:53:58,151 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:53:58,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:53:58,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147948889] [2025-01-10 01:53:58,466 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:53:58,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804977450] [2025-01-10 01:53:58,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804977450] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:53:58,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:53:58,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 01:53:58,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099614948] [2025-01-10 01:53:58,466 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:53:58,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:53:58,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:53:58,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:53:58,467 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:53:58,467 INFO L87 Difference]: Start difference. First operand 403 states and 441 transitions. Second operand has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 7 states have internal predecessors, (116), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-01-10 01:53:58,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:53:58,754 INFO L93 Difference]: Finished difference Result 409 states and 441 transitions. [2025-01-10 01:53:58,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:53:58,754 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 7 states have internal predecessors, (116), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 168 [2025-01-10 01:53:58,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:53:58,755 INFO L225 Difference]: With dead ends: 409 [2025-01-10 01:53:58,755 INFO L226 Difference]: Without dead ends: 403 [2025-01-10 01:53:58,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:53:58,756 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 93 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 735 SdHoareTripleChecker+Invalid, 509 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:53:58,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 735 Invalid, 509 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:53:58,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-01-10 01:53:58,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-01-10 01:53:58,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 300 states have (on average 1.2966666666666666) internal successors, (389), 378 states have internal predecessors, (389), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:53:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 435 transitions. [2025-01-10 01:53:58,765 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 435 transitions. Word has length 168 [2025-01-10 01:53:58,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:53:58,765 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 435 transitions. [2025-01-10 01:53:58,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.333333333333332) internal successors, (116), 7 states have internal predecessors, (116), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-01-10 01:53:58,765 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 435 transitions. [2025-01-10 01:53:58,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-01-10 01:53:58,766 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:53:58,766 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:53:58,772 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 01:53:58,967 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,SelfDestructingSolverStorable23 [2025-01-10 01:53:58,968 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:53:58,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:53:58,969 INFO L85 PathProgramCache]: Analyzing trace with hash 522635659, now seen corresponding path program 1 times [2025-01-10 01:53:58,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:53:58,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365903627] [2025-01-10 01:53:58,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:58,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:53:58,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-01-10 01:53:58,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-01-10 01:53:58,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:58,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:53:58,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [822545456] [2025-01-10 01:53:58,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:53:58,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:53:58,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:53:58,998 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 01:53:59,020 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 01:53:59,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-01-10 01:53:59,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-01-10 01:53:59,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:53:59,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:53:59,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:53:59,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:00,401 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-10 01:54:00,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:00,870 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-01-10 01:54:00,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:00,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365903627] [2025-01-10 01:54:00,870 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:00,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822545456] [2025-01-10 01:54:00,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [822545456] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:54:00,870 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:54:00,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-01-10 01:54:00,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320412566] [2025-01-10 01:54:00,871 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:00,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:54:00,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:00,871 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:54:00,871 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:54:00,872 INFO L87 Difference]: Start difference. First operand 403 states and 435 transitions. Second operand has 11 states, 10 states have (on average 23.6) internal successors, (236), 11 states have internal predecessors, (236), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-01-10 01:54:03,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:03,377 INFO L93 Difference]: Finished difference Result 407 states and 435 transitions. [2025-01-10 01:54:03,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-10 01:54:03,377 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 23.6) internal successors, (236), 11 states have internal predecessors, (236), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 172 [2025-01-10 01:54:03,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:03,378 INFO L225 Difference]: With dead ends: 407 [2025-01-10 01:54:03,378 INFO L226 Difference]: Without dead ends: 403 [2025-01-10 01:54:03,379 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:54:03,380 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 425 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 1757 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 1783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:03,380 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 356 Invalid, 1783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1757 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-01-10 01:54:03,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-01-10 01:54:03,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-01-10 01:54:03,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 300 states have (on average 1.2833333333333334) internal successors, (385), 378 states have internal predecessors, (385), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:54:03,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 431 transitions. [2025-01-10 01:54:03,393 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 431 transitions. Word has length 172 [2025-01-10 01:54:03,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:03,393 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 431 transitions. [2025-01-10 01:54:03,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 23.6) internal successors, (236), 11 states have internal predecessors, (236), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-01-10 01:54:03,393 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 431 transitions. [2025-01-10 01:54:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-01-10 01:54:03,394 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:03,394 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:03,400 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 01:54:03,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:03,595 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:03,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:03,595 INFO L85 PathProgramCache]: Analyzing trace with hash 521935775, now seen corresponding path program 1 times [2025-01-10 01:54:03,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:03,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862212678] [2025-01-10 01:54:03,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:03,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:03,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-01-10 01:54:03,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-01-10 01:54:03,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:03,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:03,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1248515136] [2025-01-10 01:54:03,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:03,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:03,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:03,627 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 01:54:03,628 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 01:54:03,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-01-10 01:54:03,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-01-10 01:54:03,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:03,677 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:03,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:54:03,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:04,251 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-10 01:54:04,251 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:04,867 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-10 01:54:04,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:04,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862212678] [2025-01-10 01:54:04,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:04,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248515136] [2025-01-10 01:54:04,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248515136] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:54:04,868 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:54:04,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2025-01-10 01:54:04,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276116266] [2025-01-10 01:54:04,868 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:04,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 01:54:04,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:04,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 01:54:04,870 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:54:04,870 INFO L87 Difference]: Start difference. First operand 403 states and 431 transitions. Second operand has 15 states, 14 states have (on average 18.714285714285715) internal successors, (262), 15 states have internal predecessors, (262), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-01-10 01:54:06,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:06,301 INFO L93 Difference]: Finished difference Result 474 states and 540 transitions. [2025-01-10 01:54:06,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:54:06,301 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 18.714285714285715) internal successors, (262), 15 states have internal predecessors, (262), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 191 [2025-01-10 01:54:06,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:06,302 INFO L225 Difference]: With dead ends: 474 [2025-01-10 01:54:06,302 INFO L226 Difference]: Without dead ends: 471 [2025-01-10 01:54:06,303 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 367 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=248, Unknown=0, NotChecked=0, Total=380 [2025-01-10 01:54:06,303 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 286 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 1936 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 1965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1936 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:06,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 298 Invalid, 1965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1936 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-01-10 01:54:06,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2025-01-10 01:54:06,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 469. [2025-01-10 01:54:06,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 360 states have (on average 1.3277777777777777) internal successors, (478), 438 states have internal predecessors, (478), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-01-10 01:54:06,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 536 transitions. [2025-01-10 01:54:06,318 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 536 transitions. Word has length 191 [2025-01-10 01:54:06,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:06,319 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 536 transitions. [2025-01-10 01:54:06,319 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 18.714285714285715) internal successors, (262), 15 states have internal predecessors, (262), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-01-10 01:54:06,319 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 536 transitions. [2025-01-10 01:54:06,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-01-10 01:54:06,320 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:06,320 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:06,327 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-01-10 01:54:06,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:06,521 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:06,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:06,521 INFO L85 PathProgramCache]: Analyzing trace with hash -999859942, now seen corresponding path program 1 times [2025-01-10 01:54:06,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:06,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933775016] [2025-01-10 01:54:06,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:06,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:06,529 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-01-10 01:54:06,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-01-10 01:54:06,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:06,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:06,680 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-10 01:54:06,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:06,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933775016] [2025-01-10 01:54:06,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933775016] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:06,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224049301] [2025-01-10 01:54:06,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:06,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:06,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:06,683 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 01:54:06,684 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 01:54:06,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-01-10 01:54:06,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-01-10 01:54:06,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:06,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:06,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:54:06,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-10 01:54:07,204 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:07,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224049301] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:07,274 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:54:07,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-01-10 01:54:07,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352267891] [2025-01-10 01:54:07,274 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:07,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:54:07,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:07,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:54:07,276 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:54:07,276 INFO L87 Difference]: Start difference. First operand 469 states and 536 transitions. Second operand has 11 states, 10 states have (on average 26.4) internal successors, (264), 11 states have internal predecessors, (264), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-01-10 01:54:08,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:08,308 INFO L93 Difference]: Finished difference Result 469 states and 536 transitions. [2025-01-10 01:54:08,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 01:54:08,308 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 26.4) internal successors, (264), 11 states have internal predecessors, (264), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 192 [2025-01-10 01:54:08,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:08,309 INFO L225 Difference]: With dead ends: 469 [2025-01-10 01:54:08,309 INFO L226 Difference]: Without dead ends: 465 [2025-01-10 01:54:08,310 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2025-01-10 01:54:08,310 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 483 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:08,310 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 229 Invalid, 1365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 01:54:08,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2025-01-10 01:54:08,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2025-01-10 01:54:08,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 360 states have (on average 1.3055555555555556) internal successors, (470), 434 states have internal predecessors, (470), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-01-10 01:54:08,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 528 transitions. [2025-01-10 01:54:08,328 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 528 transitions. Word has length 192 [2025-01-10 01:54:08,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:08,329 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 528 transitions. [2025-01-10 01:54:08,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 26.4) internal successors, (264), 11 states have internal predecessors, (264), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-01-10 01:54:08,329 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 528 transitions. [2025-01-10 01:54:08,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-01-10 01:54:08,342 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:08,342 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:54:08,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-10 01:54:08,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-01-10 01:54:08,543 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:08,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:08,543 INFO L85 PathProgramCache]: Analyzing trace with hash -930167712, now seen corresponding path program 1 times [2025-01-10 01:54:08,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:08,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347642128] [2025-01-10 01:54:08,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:08,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:08,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-01-10 01:54:08,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-01-10 01:54:08,564 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:08,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:08,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [558096124] [2025-01-10 01:54:08,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:08,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:08,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:08,567 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 01:54:08,569 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 01:54:08,596 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-01-10 01:54:08,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-01-10 01:54:08,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:08,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:08,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:54:08,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:08,751 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-10 01:54:08,751 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:08,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:08,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347642128] [2025-01-10 01:54:08,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:08,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558096124] [2025-01-10 01:54:08,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558096124] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:08,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:54:08,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 01:54:08,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414138197] [2025-01-10 01:54:08,813 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:08,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:54:08,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:08,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:54:08,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:54:08,813 INFO L87 Difference]: Start difference. First operand 465 states and 528 transitions. Second operand has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-10 01:54:08,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:08,928 INFO L93 Difference]: Finished difference Result 601 states and 632 transitions. [2025-01-10 01:54:08,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:54:08,928 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 192 [2025-01-10 01:54:08,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:08,929 INFO L225 Difference]: With dead ends: 601 [2025-01-10 01:54:08,929 INFO L226 Difference]: Without dead ends: 600 [2025-01-10 01:54:08,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:54:08,930 INFO L435 NwaCegarLoop]: 215 mSDtfsCounter, 252 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:08,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 790 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:54:08,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2025-01-10 01:54:08,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 465. [2025-01-10 01:54:08,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 360 states have (on average 1.3027777777777778) internal successors, (469), 434 states have internal predecessors, (469), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-01-10 01:54:08,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 527 transitions. [2025-01-10 01:54:08,943 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 527 transitions. Word has length 192 [2025-01-10 01:54:08,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:08,943 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 527 transitions. [2025-01-10 01:54:08,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.75) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-10 01:54:08,943 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 527 transitions. [2025-01-10 01:54:08,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-01-10 01:54:08,944 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:08,944 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:54:08,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 01:54:09,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-01-10 01:54:09,149 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:09,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:09,150 INFO L85 PathProgramCache]: Analyzing trace with hash 552084190, now seen corresponding path program 1 times [2025-01-10 01:54:09,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:09,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933404702] [2025-01-10 01:54:09,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:09,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:09,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-01-10 01:54:09,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-01-10 01:54:09,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:09,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:09,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1882806856] [2025-01-10 01:54:09,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:09,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:09,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:09,174 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 01:54:09,176 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 01:54:09,199 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-01-10 01:54:09,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-01-10 01:54:09,223 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:09,223 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:09,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 01:54:09,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:09,780 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-01-10 01:54:09,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:10,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:10,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933404702] [2025-01-10 01:54:10,375 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:10,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882806856] [2025-01-10 01:54:10,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882806856] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:10,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:54:10,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:54:10,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506003446] [2025-01-10 01:54:10,376 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:10,376 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:54:10,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:10,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:54:10,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:54:10,380 INFO L87 Difference]: Start difference. First operand 465 states and 527 transitions. Second operand has 8 states, 7 states have (on average 19.857142857142858) internal successors, (139), 8 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-10 01:54:11,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:11,027 INFO L93 Difference]: Finished difference Result 467 states and 527 transitions. [2025-01-10 01:54:11,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:54:11,028 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.857142857142858) internal successors, (139), 8 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 196 [2025-01-10 01:54:11,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:11,029 INFO L225 Difference]: With dead ends: 467 [2025-01-10 01:54:11,029 INFO L226 Difference]: Without dead ends: 431 [2025-01-10 01:54:11,029 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:54:11,029 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 36 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 1377 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:11,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 365 Invalid, 1380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1377 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:54:11,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2025-01-10 01:54:11,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2025-01-10 01:54:11,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 328 states have (on average 1.326219512195122) internal successors, (435), 402 states have internal predecessors, (435), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-01-10 01:54:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 489 transitions. [2025-01-10 01:54:11,041 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 489 transitions. Word has length 196 [2025-01-10 01:54:11,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:11,042 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 489 transitions. [2025-01-10 01:54:11,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.857142857142858) internal successors, (139), 8 states have internal predecessors, (139), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-01-10 01:54:11,042 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 489 transitions. [2025-01-10 01:54:11,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-01-10 01:54:11,042 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:11,043 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:54:11,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 01:54:11,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-10 01:54:11,249 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:11,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:11,249 INFO L85 PathProgramCache]: Analyzing trace with hash -872034345, now seen corresponding path program 2 times [2025-01-10 01:54:11,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:11,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379388346] [2025-01-10 01:54:11,249 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:54:11,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:11,256 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-01-10 01:54:11,272 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-01-10 01:54:11,272 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:54:11,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:11,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726387967] [2025-01-10 01:54:11,273 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:54:11,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:11,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:11,278 INFO L229 MonitoredProcess]: Starting monitored process 18 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 01:54:11,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 01:54:11,309 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-01-10 01:54:11,339 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-01-10 01:54:11,340 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:54:11,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:11,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 01:54:11,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:11,783 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 01:54:11,783 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:12,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:12,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379388346] [2025-01-10 01:54:12,056 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:12,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726387967] [2025-01-10 01:54:12,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726387967] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:12,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:54:12,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:54:12,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190514817] [2025-01-10 01:54:12,056 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:12,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:54:12,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:12,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:54:12,057 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:54:12,057 INFO L87 Difference]: Start difference. First operand 431 states and 489 transitions. Second operand has 9 states, 8 states have (on average 17.125) internal successors, (137), 9 states have internal predecessors, (137), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-10 01:54:12,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:12,903 INFO L93 Difference]: Finished difference Result 525 states and 600 transitions. [2025-01-10 01:54:12,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:54:12,903 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.125) internal successors, (137), 9 states have internal predecessors, (137), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 199 [2025-01-10 01:54:12,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:12,905 INFO L225 Difference]: With dead ends: 525 [2025-01-10 01:54:12,905 INFO L226 Difference]: Without dead ends: 503 [2025-01-10 01:54:12,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:54:12,905 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 121 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 1875 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 1896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:12,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 476 Invalid, 1896 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1875 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 01:54:12,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2025-01-10 01:54:12,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 491. [2025-01-10 01:54:12,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 385 states have (on average 1.3116883116883118) internal successors, (505), 459 states have internal predecessors, (505), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 01:54:12,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 565 transitions. [2025-01-10 01:54:12,919 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 565 transitions. Word has length 199 [2025-01-10 01:54:12,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:12,920 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 565 transitions. [2025-01-10 01:54:12,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.125) internal successors, (137), 9 states have internal predecessors, (137), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-01-10 01:54:12,920 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 565 transitions. [2025-01-10 01:54:12,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-01-10 01:54:12,920 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:12,921 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:54:12,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-10 01:54:13,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:13,125 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:13,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:13,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1263260832, now seen corresponding path program 2 times [2025-01-10 01:54:13,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:13,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255922864] [2025-01-10 01:54:13,125 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:54:13,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:13,132 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 200 statements into 2 equivalence classes. [2025-01-10 01:54:13,141 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 200 of 200 statements. [2025-01-10 01:54:13,143 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:54:13,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:13,255 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 01:54:13,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:13,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255922864] [2025-01-10 01:54:13,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255922864] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:13,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [782911055] [2025-01-10 01:54:13,256 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:54:13,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:13,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:13,259 INFO L229 MonitoredProcess]: Starting monitored process 19 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 01:54:13,265 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-10 01:54:13,294 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 200 statements into 2 equivalence classes. [2025-01-10 01:54:13,320 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 200 of 200 statements. [2025-01-10 01:54:13,320 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:54:13,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:13,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:54:13,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:13,689 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 01:54:13,689 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:13,885 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 01:54:13,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [782911055] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:54:13,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:54:13,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-01-10 01:54:13,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925613366] [2025-01-10 01:54:13,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:13,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:54:13,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:13,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:54:13,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:54:13,887 INFO L87 Difference]: Start difference. First operand 491 states and 565 transitions. Second operand has 13 states, 12 states have (on average 31.416666666666668) internal successors, (377), 13 states have internal predecessors, (377), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-01-10 01:54:14,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:14,838 INFO L93 Difference]: Finished difference Result 491 states and 565 transitions. [2025-01-10 01:54:14,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 01:54:14,839 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 31.416666666666668) internal successors, (377), 13 states have internal predecessors, (377), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 200 [2025-01-10 01:54:14,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:14,840 INFO L225 Difference]: With dead ends: 491 [2025-01-10 01:54:14,840 INFO L226 Difference]: Without dead ends: 487 [2025-01-10 01:54:14,841 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 408 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:54:14,841 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 814 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:14,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 535 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 01:54:14,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2025-01-10 01:54:14,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 487. [2025-01-10 01:54:14,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 487 states, 385 states have (on average 1.290909090909091) internal successors, (497), 455 states have internal predecessors, (497), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-01-10 01:54:14,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 557 transitions. [2025-01-10 01:54:14,858 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 557 transitions. Word has length 200 [2025-01-10 01:54:14,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:14,859 INFO L471 AbstractCegarLoop]: Abstraction has 487 states and 557 transitions. [2025-01-10 01:54:14,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 31.416666666666668) internal successors, (377), 13 states have internal predecessors, (377), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-01-10 01:54:14,859 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 557 transitions. [2025-01-10 01:54:14,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-01-10 01:54:14,860 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:14,860 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:54:14,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-01-10 01:54:15,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:15,061 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:15,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:15,061 INFO L85 PathProgramCache]: Analyzing trace with hash -506380039, now seen corresponding path program 2 times [2025-01-10 01:54:15,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:15,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065627171] [2025-01-10 01:54:15,062 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:54:15,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:15,067 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-01-10 01:54:15,076 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-01-10 01:54:15,076 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:54:15,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:15,185 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 01:54:15,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:15,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065627171] [2025-01-10 01:54:15,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065627171] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:15,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1310296630] [2025-01-10 01:54:15,186 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:54:15,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:15,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:15,188 INFO L229 MonitoredProcess]: Starting monitored process 20 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 01:54:15,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-10 01:54:15,213 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-01-10 01:54:15,238 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-01-10 01:54:15,238 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:54:15,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:15,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:54:15,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:15,550 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 01:54:15,551 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:15,773 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 01:54:15,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1310296630] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:54:15,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:54:15,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-01-10 01:54:15,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211666720] [2025-01-10 01:54:15,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:15,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:54:15,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:15,775 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:54:15,775 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:54:15,775 INFO L87 Difference]: Start difference. First operand 487 states and 557 transitions. Second operand has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 13 states have internal predecessors, (379), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-01-10 01:54:16,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:16,489 INFO L93 Difference]: Finished difference Result 539 states and 604 transitions. [2025-01-10 01:54:16,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 01:54:16,490 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 13 states have internal predecessors, (379), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 201 [2025-01-10 01:54:16,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:16,491 INFO L225 Difference]: With dead ends: 539 [2025-01-10 01:54:16,491 INFO L226 Difference]: Without dead ends: 537 [2025-01-10 01:54:16,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:54:16,492 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 376 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 1193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:16,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 619 Invalid, 1193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1173 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:54:16,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2025-01-10 01:54:16,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 514. [2025-01-10 01:54:16,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 409 states have (on average 1.276283618581907) internal successors, (522), 479 states have internal predecessors, (522), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-01-10 01:54:16,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 588 transitions. [2025-01-10 01:54:16,511 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 588 transitions. Word has length 201 [2025-01-10 01:54:16,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:16,512 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 588 transitions. [2025-01-10 01:54:16,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 31.583333333333332) internal successors, (379), 13 states have internal predecessors, (379), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-01-10 01:54:16,512 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 588 transitions. [2025-01-10 01:54:16,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2025-01-10 01:54:16,515 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:16,515 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:54:16,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-01-10 01:54:16,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:16,716 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:16,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:16,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1299910117, now seen corresponding path program 1 times [2025-01-10 01:54:16,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:16,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529952979] [2025-01-10 01:54:16,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:16,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:16,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 203 statements into 1 equivalence classes. [2025-01-10 01:54:16,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 203 of 203 statements. [2025-01-10 01:54:16,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:16,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 01:54:16,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:16,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529952979] [2025-01-10 01:54:16,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529952979] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:16,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303498357] [2025-01-10 01:54:16,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:16,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:16,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:16,848 INFO L229 MonitoredProcess]: Starting monitored process 21 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 01:54:16,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-10 01:54:16,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 203 statements into 1 equivalence classes. [2025-01-10 01:54:16,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 203 of 203 statements. [2025-01-10 01:54:16,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:16,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:16,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 01:54:16,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:17,270 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 01:54:17,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:17,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303498357] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:17,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:54:17,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-01-10 01:54:17,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309210275] [2025-01-10 01:54:17,359 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:17,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:54:17,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:17,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:54:17,360 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:54:17,360 INFO L87 Difference]: Start difference. First operand 514 states and 588 transitions. Second operand has 11 states, 10 states have (on average 25.3) internal successors, (253), 11 states have internal predecessors, (253), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-01-10 01:54:19,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:19,571 INFO L93 Difference]: Finished difference Result 514 states and 588 transitions. [2025-01-10 01:54:19,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 01:54:19,571 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.3) internal successors, (253), 11 states have internal predecessors, (253), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 203 [2025-01-10 01:54:19,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:19,573 INFO L225 Difference]: With dead ends: 514 [2025-01-10 01:54:19,573 INFO L226 Difference]: Without dead ends: 502 [2025-01-10 01:54:19,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2025-01-10 01:54:19,574 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 477 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 1440 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 477 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 1487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 1440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:19,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [477 Valid, 667 Invalid, 1487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 1440 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-01-10 01:54:19,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2025-01-10 01:54:19,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 502. [2025-01-10 01:54:19,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 409 states have (on average 1.2396088019559903) internal successors, (507), 467 states have internal predecessors, (507), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-01-10 01:54:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 573 transitions. [2025-01-10 01:54:19,605 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 573 transitions. Word has length 203 [2025-01-10 01:54:19,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:19,605 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 573 transitions. [2025-01-10 01:54:19,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.3) internal successors, (253), 11 states have internal predecessors, (253), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-01-10 01:54:19,605 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 573 transitions. [2025-01-10 01:54:19,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2025-01-10 01:54:19,606 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:19,606 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:54:19,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-01-10 01:54:19,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:19,807 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:19,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:19,807 INFO L85 PathProgramCache]: Analyzing trace with hash 2097906886, now seen corresponding path program 1 times [2025-01-10 01:54:19,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:19,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487769204] [2025-01-10 01:54:19,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:19,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:19,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-01-10 01:54:19,838 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-01-10 01:54:19,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:19,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:19,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1260711826] [2025-01-10 01:54:19,840 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:19,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:19,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:19,846 INFO L229 MonitoredProcess]: Starting monitored process 22 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 01:54:19,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-10 01:54:19,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-01-10 01:54:19,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-01-10 01:54:19,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:19,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:19,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 01:54:19,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:20,572 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 01:54:20,572 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:21,045 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-01-10 01:54:21,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:21,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487769204] [2025-01-10 01:54:21,045 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:21,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260711826] [2025-01-10 01:54:21,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260711826] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:54:21,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:54:21,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-01-10 01:54:21,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405341502] [2025-01-10 01:54:21,046 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:21,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 01:54:21,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:21,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 01:54:21,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:54:21,047 INFO L87 Difference]: Start difference. First operand 502 states and 573 transitions. Second operand has 16 states, 15 states have (on average 18.8) internal successors, (282), 16 states have internal predecessors, (282), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-01-10 01:54:24,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:24,035 INFO L93 Difference]: Finished difference Result 801 states and 969 transitions. [2025-01-10 01:54:24,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-10 01:54:24,036 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 18.8) internal successors, (282), 16 states have internal predecessors, (282), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 206 [2025-01-10 01:54:24,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:24,039 INFO L225 Difference]: With dead ends: 801 [2025-01-10 01:54:24,042 INFO L226 Difference]: Without dead ends: 717 [2025-01-10 01:54:24,042 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2025-01-10 01:54:24,042 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 995 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 2650 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1009 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 2745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 2650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:24,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1009 Valid, 980 Invalid, 2745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 2650 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-01-10 01:54:24,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2025-01-10 01:54:24,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 519. [2025-01-10 01:54:24,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 425 states have (on average 1.2164705882352942) internal successors, (517), 482 states have internal predecessors, (517), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-01-10 01:54:24,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 587 transitions. [2025-01-10 01:54:24,063 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 587 transitions. Word has length 206 [2025-01-10 01:54:24,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:24,064 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 587 transitions. [2025-01-10 01:54:24,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 18.8) internal successors, (282), 16 states have internal predecessors, (282), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-01-10 01:54:24,064 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 587 transitions. [2025-01-10 01:54:24,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2025-01-10 01:54:24,066 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:24,066 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:24,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-01-10 01:54:24,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-01-10 01:54:24,270 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:24,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:24,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1692435652, now seen corresponding path program 2 times [2025-01-10 01:54:24,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:24,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426829330] [2025-01-10 01:54:24,271 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:54:24,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:24,277 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-01-10 01:54:24,294 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-01-10 01:54:24,295 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:54:24,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:24,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1259083902] [2025-01-10 01:54:24,296 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:54:24,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:24,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:24,297 INFO L229 MonitoredProcess]: Starting monitored process 23 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 01:54:24,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-10 01:54:24,328 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-01-10 01:54:24,358 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-01-10 01:54:24,359 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:54:24,359 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:24,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:54:24,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:24,883 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-01-10 01:54:24,883 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:25,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:25,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426829330] [2025-01-10 01:54:25,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:25,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259083902] [2025-01-10 01:54:25,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259083902] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:25,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:54:25,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:54:25,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520505079] [2025-01-10 01:54:25,431 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:25,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:54:25,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:25,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:54:25,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:54:25,432 INFO L87 Difference]: Start difference. First operand 519 states and 587 transitions. Second operand has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-01-10 01:54:26,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:26,171 INFO L93 Difference]: Finished difference Result 519 states and 587 transitions. [2025-01-10 01:54:26,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:54:26,175 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 248 [2025-01-10 01:54:26,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:26,176 INFO L225 Difference]: With dead ends: 519 [2025-01-10 01:54:26,176 INFO L226 Difference]: Without dead ends: 518 [2025-01-10 01:54:26,177 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2025-01-10 01:54:26,177 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 550 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1105 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:26,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 147 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1105 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 01:54:26,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2025-01-10 01:54:26,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2025-01-10 01:54:26,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 425 states have (on average 1.2117647058823529) internal successors, (515), 481 states have internal predecessors, (515), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-01-10 01:54:26,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 585 transitions. [2025-01-10 01:54:26,194 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 585 transitions. Word has length 248 [2025-01-10 01:54:26,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:26,194 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 585 transitions. [2025-01-10 01:54:26,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-01-10 01:54:26,195 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 585 transitions. [2025-01-10 01:54:26,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2025-01-10 01:54:26,195 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:26,195 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:26,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-01-10 01:54:26,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-01-10 01:54:26,396 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:26,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:26,397 INFO L85 PathProgramCache]: Analyzing trace with hash 925897840, now seen corresponding path program 1 times [2025-01-10 01:54:26,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:26,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421839588] [2025-01-10 01:54:26,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:26,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:26,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 249 statements into 1 equivalence classes. [2025-01-10 01:54:26,422 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 249 of 249 statements. [2025-01-10 01:54:26,422 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:26,422 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:26,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [750751231] [2025-01-10 01:54:26,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:26,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:26,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:26,436 INFO L229 MonitoredProcess]: Starting monitored process 24 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 01:54:26,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-01-10 01:54:26,467 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 249 statements into 1 equivalence classes. [2025-01-10 01:54:26,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 249 of 249 statements. [2025-01-10 01:54:26,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:26,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:26,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 01:54:26,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-01-10 01:54:26,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:27,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:27,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421839588] [2025-01-10 01:54:27,085 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:27,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750751231] [2025-01-10 01:54:27,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750751231] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:27,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:54:27,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 01:54:27,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666102024] [2025-01-10 01:54:27,086 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:27,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:54:27,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:27,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:54:27,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:54:27,087 INFO L87 Difference]: Start difference. First operand 518 states and 585 transitions. Second operand has 8 states, 7 states have (on average 24.571428571428573) internal successors, (172), 8 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-01-10 01:54:27,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:27,525 INFO L93 Difference]: Finished difference Result 519 states and 585 transitions. [2025-01-10 01:54:27,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:54:27,526 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.571428571428573) internal successors, (172), 8 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 249 [2025-01-10 01:54:27,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:27,527 INFO L225 Difference]: With dead ends: 519 [2025-01-10 01:54:27,527 INFO L226 Difference]: Without dead ends: 518 [2025-01-10 01:54:27,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:54:27,528 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 58 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:27,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1128 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:54:27,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2025-01-10 01:54:27,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2025-01-10 01:54:27,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 425 states have (on average 1.2094117647058824) internal successors, (514), 481 states have internal predecessors, (514), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-01-10 01:54:27,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 584 transitions. [2025-01-10 01:54:27,545 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 584 transitions. Word has length 249 [2025-01-10 01:54:27,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:27,546 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 584 transitions. [2025-01-10 01:54:27,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.571428571428573) internal successors, (172), 8 states have internal predecessors, (172), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-01-10 01:54:27,546 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 584 transitions. [2025-01-10 01:54:27,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2025-01-10 01:54:27,547 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:27,547 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:27,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-01-10 01:54:27,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-01-10 01:54:27,751 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:27,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:27,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1142757320, now seen corresponding path program 2 times [2025-01-10 01:54:27,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:27,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049850960] [2025-01-10 01:54:27,752 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:54:27,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:27,758 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-01-10 01:54:27,772 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-01-10 01:54:27,773 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:54:27,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:27,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1374978045] [2025-01-10 01:54:27,774 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:54:27,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:27,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:27,776 INFO L229 MonitoredProcess]: Starting monitored process 25 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 01:54:27,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-01-10 01:54:27,811 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 252 statements into 2 equivalence classes. [2025-01-10 01:54:27,844 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 252 of 252 statements. [2025-01-10 01:54:27,844 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:54:27,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:27,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 01:54:27,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:28,424 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-01-10 01:54:28,424 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:28,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:28,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049850960] [2025-01-10 01:54:28,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:28,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1374978045] [2025-01-10 01:54:28,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1374978045] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:28,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:54:28,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 01:54:28,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192186363] [2025-01-10 01:54:28,564 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:28,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 01:54:28,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:28,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 01:54:28,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-01-10 01:54:28,565 INFO L87 Difference]: Start difference. First operand 518 states and 584 transitions. Second operand has 9 states, 8 states have (on average 21.875) internal successors, (175), 9 states have internal predecessors, (175), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-01-10 01:54:29,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:29,934 INFO L93 Difference]: Finished difference Result 518 states and 584 transitions. [2025-01-10 01:54:29,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:54:29,934 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 21.875) internal successors, (175), 9 states have internal predecessors, (175), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 252 [2025-01-10 01:54:29,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:29,936 INFO L225 Difference]: With dead ends: 518 [2025-01-10 01:54:29,937 INFO L226 Difference]: Without dead ends: 516 [2025-01-10 01:54:29,938 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2025-01-10 01:54:29,938 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 546 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 1335 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 1378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:29,938 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 172 Invalid, 1378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1335 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-01-10 01:54:29,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2025-01-10 01:54:29,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2025-01-10 01:54:29,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 425 states have (on average 1.2) internal successors, (510), 479 states have internal predecessors, (510), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-01-10 01:54:29,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 580 transitions. [2025-01-10 01:54:29,966 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 580 transitions. Word has length 252 [2025-01-10 01:54:29,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:29,966 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 580 transitions. [2025-01-10 01:54:29,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 21.875) internal successors, (175), 9 states have internal predecessors, (175), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-01-10 01:54:29,967 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 580 transitions. [2025-01-10 01:54:29,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2025-01-10 01:54:29,968 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:29,968 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:29,979 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-01-10 01:54:30,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-01-10 01:54:30,173 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:30,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:30,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1065738740, now seen corresponding path program 1 times [2025-01-10 01:54:30,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:30,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257529488] [2025-01-10 01:54:30,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:30,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:30,183 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-01-10 01:54:30,195 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-01-10 01:54:30,196 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:30,196 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:30,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [60681072] [2025-01-10 01:54:30,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:30,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:30,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:30,200 INFO L229 MonitoredProcess]: Starting monitored process 26 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 01:54:30,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-01-10 01:54:30,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 253 statements into 1 equivalence classes. [2025-01-10 01:54:30,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 253 of 253 statements. [2025-01-10 01:54:30,266 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:30,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:30,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-10 01:54:30,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-01-10 01:54:30,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:31,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:31,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257529488] [2025-01-10 01:54:31,030 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:31,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60681072] [2025-01-10 01:54:31,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60681072] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:31,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:54:31,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-01-10 01:54:31,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240163274] [2025-01-10 01:54:31,030 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:31,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 01:54:31,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:31,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 01:54:31,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-01-10 01:54:31,035 INFO L87 Difference]: Start difference. First operand 516 states and 580 transitions. Second operand has 11 states, 10 states have (on average 17.6) internal successors, (176), 11 states have internal predecessors, (176), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-01-10 01:54:31,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:31,979 INFO L93 Difference]: Finished difference Result 519 states and 580 transitions. [2025-01-10 01:54:31,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 01:54:31,979 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.6) internal successors, (176), 11 states have internal predecessors, (176), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 253 [2025-01-10 01:54:31,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:31,981 INFO L225 Difference]: With dead ends: 519 [2025-01-10 01:54:31,981 INFO L226 Difference]: Without dead ends: 516 [2025-01-10 01:54:31,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-01-10 01:54:31,981 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 54 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 2423 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 456 SdHoareTripleChecker+Invalid, 2428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:31,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 456 Invalid, 2428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2423 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 01:54:31,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2025-01-10 01:54:31,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 516. [2025-01-10 01:54:31,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 516 states, 425 states have (on average 1.1929411764705882) internal successors, (507), 479 states have internal predecessors, (507), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-01-10 01:54:31,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 577 transitions. [2025-01-10 01:54:31,997 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 577 transitions. Word has length 253 [2025-01-10 01:54:31,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:31,997 INFO L471 AbstractCegarLoop]: Abstraction has 516 states and 577 transitions. [2025-01-10 01:54:31,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.6) internal successors, (176), 11 states have internal predecessors, (176), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-01-10 01:54:31,998 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 577 transitions. [2025-01-10 01:54:31,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2025-01-10 01:54:31,999 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:31,999 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:54:32,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-01-10 01:54:32,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-01-10 01:54:32,203 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:32,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:32,203 INFO L85 PathProgramCache]: Analyzing trace with hash 506801110, now seen corresponding path program 1 times [2025-01-10 01:54:32,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:32,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439483653] [2025-01-10 01:54:32,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:32,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:32,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-01-10 01:54:32,219 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-01-10 01:54:32,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:32,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:32,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1382602263] [2025-01-10 01:54:32,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:32,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:32,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:32,222 INFO L229 MonitoredProcess]: Starting monitored process 27 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 01:54:32,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-01-10 01:54:32,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-01-10 01:54:32,285 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-01-10 01:54:32,285 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:32,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:32,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 01:54:32,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:32,466 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-01-10 01:54:32,466 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:32,755 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-01-10 01:54:32,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:32,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439483653] [2025-01-10 01:54:32,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:32,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382602263] [2025-01-10 01:54:32,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382602263] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:54:32,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:54:32,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-01-10 01:54:32,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42307936] [2025-01-10 01:54:32,759 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:32,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:54:32,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:32,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:54:32,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:54:32,760 INFO L87 Difference]: Start difference. First operand 516 states and 577 transitions. Second operand has 10 states, 9 states have (on average 40.22222222222222) internal successors, (362), 10 states have internal predecessors, (362), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-01-10 01:54:33,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:33,038 INFO L93 Difference]: Finished difference Result 661 states and 706 transitions. [2025-01-10 01:54:33,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:54:33,039 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 40.22222222222222) internal successors, (362), 10 states have internal predecessors, (362), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 261 [2025-01-10 01:54:33,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:33,041 INFO L225 Difference]: With dead ends: 661 [2025-01-10 01:54:33,041 INFO L226 Difference]: Without dead ends: 659 [2025-01-10 01:54:33,041 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 512 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:54:33,045 INFO L435 NwaCegarLoop]: 354 mSDtfsCounter, 808 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 1565 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:33,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 1565 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:54:33,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2025-01-10 01:54:33,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 515. [2025-01-10 01:54:33,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 425 states have (on average 1.183529411764706) internal successors, (503), 478 states have internal predecessors, (503), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-01-10 01:54:33,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 573 transitions. [2025-01-10 01:54:33,085 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 573 transitions. Word has length 261 [2025-01-10 01:54:33,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:33,085 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 573 transitions. [2025-01-10 01:54:33,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 40.22222222222222) internal successors, (362), 10 states have internal predecessors, (362), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-01-10 01:54:33,085 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 573 transitions. [2025-01-10 01:54:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-01-10 01:54:33,086 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:33,086 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:33,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-01-10 01:54:33,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-01-10 01:54:33,287 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:33,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:33,289 INFO L85 PathProgramCache]: Analyzing trace with hash -487708794, now seen corresponding path program 1 times [2025-01-10 01:54:33,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:33,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386643362] [2025-01-10 01:54:33,289 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:54:33,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:33,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-01-10 01:54:33,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-01-10 01:54:33,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:54:33,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-01-10 01:54:33,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:33,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386643362] [2025-01-10 01:54:33,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386643362] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:54:33,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:54:33,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-10 01:54:33,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199792518] [2025-01-10 01:54:33,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:54:33,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:54:33,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:33,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:54:33,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:54:33,412 INFO L87 Difference]: Start difference. First operand 515 states and 573 transitions. Second operand has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-01-10 01:54:34,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:34,048 INFO L93 Difference]: Finished difference Result 515 states and 573 transitions. [2025-01-10 01:54:34,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:54:34,049 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 275 [2025-01-10 01:54:34,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:34,050 INFO L225 Difference]: With dead ends: 515 [2025-01-10 01:54:34,053 INFO L226 Difference]: Without dead ends: 513 [2025-01-10 01:54:34,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:54:34,054 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 184 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:34,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 379 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:54:34,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2025-01-10 01:54:34,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2025-01-10 01:54:34,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 425 states have (on average 1.1741176470588235) internal successors, (499), 476 states have internal predecessors, (499), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-01-10 01:54:34,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 569 transitions. [2025-01-10 01:54:34,091 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 569 transitions. Word has length 275 [2025-01-10 01:54:34,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:34,091 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 569 transitions. [2025-01-10 01:54:34,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.6) internal successors, (193), 6 states have internal predecessors, (193), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-01-10 01:54:34,091 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 569 transitions. [2025-01-10 01:54:34,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2025-01-10 01:54:34,092 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:34,092 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:54:34,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-01-10 01:54:34,093 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:34,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:34,093 INFO L85 PathProgramCache]: Analyzing trace with hash 2060896795, now seen corresponding path program 2 times [2025-01-10 01:54:34,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:34,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469887852] [2025-01-10 01:54:34,097 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:54:34,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:34,108 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 276 statements into 2 equivalence classes. [2025-01-10 01:54:34,130 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 276 of 276 statements. [2025-01-10 01:54:34,130 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:54:34,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:34,462 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-01-10 01:54:34,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:34,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469887852] [2025-01-10 01:54:34,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469887852] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:34,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865802535] [2025-01-10 01:54:34,462 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:54:34,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:34,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:34,465 INFO L229 MonitoredProcess]: Starting monitored process 28 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 01:54:34,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-01-10 01:54:34,494 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 276 statements into 2 equivalence classes. [2025-01-10 01:54:34,526 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 276 of 276 statements. [2025-01-10 01:54:34,526 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:54:34,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:34,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 01:54:34,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:34,991 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-01-10 01:54:34,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:40,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865802535] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:40,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:54:40,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-01-10 01:54:40,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168817320] [2025-01-10 01:54:40,101 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:40,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 01:54:40,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:40,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 01:54:40,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=352, Unknown=1, NotChecked=0, Total=420 [2025-01-10 01:54:40,102 INFO L87 Difference]: Start difference. First operand 513 states and 569 transitions. Second operand has 16 states, 15 states have (on average 25.466666666666665) internal successors, (382), 16 states have internal predecessors, (382), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-01-10 01:54:42,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:42,383 INFO L93 Difference]: Finished difference Result 513 states and 569 transitions. [2025-01-10 01:54:42,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:54:42,384 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.466666666666665) internal successors, (382), 16 states have internal predecessors, (382), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 276 [2025-01-10 01:54:42,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:42,385 INFO L225 Difference]: With dead ends: 513 [2025-01-10 01:54:42,385 INFO L226 Difference]: Without dead ends: 477 [2025-01-10 01:54:42,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=188, Invalid=741, Unknown=1, NotChecked=0, Total=930 [2025-01-10 01:54:42,386 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 595 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 2344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:42,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [595 Valid, 434 Invalid, 2344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 2296 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-01-10 01:54:42,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2025-01-10 01:54:42,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2025-01-10 01:54:42,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 393 states have (on average 1.178117048346056) internal successors, (463), 442 states have internal predecessors, (463), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-01-10 01:54:42,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 529 transitions. [2025-01-10 01:54:42,403 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 529 transitions. Word has length 276 [2025-01-10 01:54:42,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:42,404 INFO L471 AbstractCegarLoop]: Abstraction has 477 states and 529 transitions. [2025-01-10 01:54:42,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.466666666666665) internal successors, (382), 16 states have internal predecessors, (382), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-01-10 01:54:42,404 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 529 transitions. [2025-01-10 01:54:42,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2025-01-10 01:54:42,405 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:42,405 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 01:54:42,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-01-10 01:54:42,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-01-10 01:54:42,610 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:54:42,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:54:42,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1331528570, now seen corresponding path program 3 times [2025-01-10 01:54:42,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:54:42,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489381466] [2025-01-10 01:54:42,613 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:54:42,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:54:42,621 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 279 statements into 8 equivalence classes. [2025-01-10 01:54:42,643 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 279 of 279 statements. [2025-01-10 01:54:42,643 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-01-10 01:54:42,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:54:42,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789071071] [2025-01-10 01:54:42,644 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:54:42,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:54:42,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:54:42,649 INFO L229 MonitoredProcess]: Starting monitored process 29 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 01:54:42,655 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-01-10 01:54:42,684 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 279 statements into 8 equivalence classes. [2025-01-10 01:54:42,706 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 92 of 279 statements. [2025-01-10 01:54:42,707 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 01:54:42,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:54:42,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-10 01:54:42,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:54:45,910 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 146 proven. 94 refuted. 0 times theorem prover too weak. 621 trivial. 0 not checked. [2025-01-10 01:54:45,910 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:54:50,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:54:50,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489381466] [2025-01-10 01:54:50,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:54:50,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789071071] [2025-01-10 01:54:50,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789071071] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:54:50,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:54:50,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-01-10 01:54:50,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742277965] [2025-01-10 01:54:50,040 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:54:50,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 01:54:50,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:54:50,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 01:54:50,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=445, Unknown=0, NotChecked=0, Total=552 [2025-01-10 01:54:50,041 INFO L87 Difference]: Start difference. First operand 477 states and 529 transitions. Second operand has 14 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:54:59,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:54:59,805 INFO L93 Difference]: Finished difference Result 479 states and 531 transitions. [2025-01-10 01:54:59,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 01:54:59,805 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) Word has length 279 [2025-01-10 01:54:59,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:54:59,807 INFO L225 Difference]: With dead ends: 479 [2025-01-10 01:54:59,807 INFO L226 Difference]: Without dead ends: 456 [2025-01-10 01:54:59,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2025-01-10 01:54:59,808 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 590 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:54:59,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 195 Invalid, 1279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2025-01-10 01:54:59,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2025-01-10 01:54:59,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 454. [2025-01-10 01:54:59,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 393 states have (on average 1.0865139949109415) internal successors, (427), 419 states have internal predecessors, (427), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-01-10 01:54:59,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 493 transitions. [2025-01-10 01:54:59,832 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 493 transitions. Word has length 279 [2025-01-10 01:54:59,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:54:59,832 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 493 transitions. [2025-01-10 01:54:59,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 7.923076923076923) internal successors, (103), 13 states have internal predecessors, (103), 5 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 5 states have call successors, (9) [2025-01-10 01:54:59,833 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 493 transitions. [2025-01-10 01:54:59,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2025-01-10 01:54:59,834 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:54:59,834 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:54:59,840 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-01-10 01:55:00,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:00,035 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:55:00,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:00,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1002824583, now seen corresponding path program 1 times [2025-01-10 01:55:00,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:00,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707839006] [2025-01-10 01:55:00,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:00,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:00,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes. [2025-01-10 01:55:00,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements. [2025-01-10 01:55:00,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:00,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 0 proven. 282 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-01-10 01:55:00,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:00,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707839006] [2025-01-10 01:55:00,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707839006] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:00,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038002526] [2025-01-10 01:55:00,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:00,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:00,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:00,272 INFO L229 MonitoredProcess]: Starting monitored process 30 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 01:55:00,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-01-10 01:55:00,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 290 statements into 1 equivalence classes. [2025-01-10 01:55:00,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 290 of 290 statements. [2025-01-10 01:55:00,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:00,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:00,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 01:55:00,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:00,574 INFO L134 CoverageAnalysis]: Checked inductivity of 894 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-01-10 01:55:00,574 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:55:00,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038002526] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:00,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:00,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2025-01-10 01:55:00,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81963812] [2025-01-10 01:55:00,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:00,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:55:00,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:00,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:55:00,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:55:00,577 INFO L87 Difference]: Start difference. First operand 454 states and 493 transitions. Second operand has 7 states, 6 states have (on average 33.833333333333336) internal successors, (203), 7 states have internal predecessors, (203), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-01-10 01:55:00,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:00,949 INFO L93 Difference]: Finished difference Result 454 states and 493 transitions. [2025-01-10 01:55:00,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:55:00,950 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 33.833333333333336) internal successors, (203), 7 states have internal predecessors, (203), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 290 [2025-01-10 01:55:00,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:00,951 INFO L225 Difference]: With dead ends: 454 [2025-01-10 01:55:00,951 INFO L226 Difference]: Without dead ends: 450 [2025-01-10 01:55:00,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:55:00,952 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 304 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:00,952 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 373 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:55:00,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2025-01-10 01:55:00,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2025-01-10 01:55:00,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 393 states have (on average 1.0712468193384224) internal successors, (421), 415 states have internal predecessors, (421), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-01-10 01:55:00,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 487 transitions. [2025-01-10 01:55:00,980 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 487 transitions. Word has length 290 [2025-01-10 01:55:00,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:00,981 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 487 transitions. [2025-01-10 01:55:00,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 33.833333333333336) internal successors, (203), 7 states have internal predecessors, (203), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-01-10 01:55:00,981 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 487 transitions. [2025-01-10 01:55:00,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2025-01-10 01:55:00,987 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:00,988 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:55:00,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:01,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:01,188 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:55:01,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:01,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1022791110, now seen corresponding path program 1 times [2025-01-10 01:55:01,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:01,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396356085] [2025-01-10 01:55:01,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:01,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:01,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 291 statements into 1 equivalence classes. [2025-01-10 01:55:01,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 291 of 291 statements. [2025-01-10 01:55:01,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:01,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 0 proven. 285 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-01-10 01:55:01,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:01,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396356085] [2025-01-10 01:55:01,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396356085] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:01,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735099246] [2025-01-10 01:55:01,554 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:01,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:01,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:01,558 INFO L229 MonitoredProcess]: Starting monitored process 31 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 01:55:01,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-01-10 01:55:01,591 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 291 statements into 1 equivalence classes. [2025-01-10 01:55:01,629 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 291 of 291 statements. [2025-01-10 01:55:01,629 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:01,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:01,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 01:55:01,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:02,358 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 180 proven. 105 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-01-10 01:55:02,358 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:07,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735099246] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:07,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:55:07,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2025-01-10 01:55:07,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483594555] [2025-01-10 01:55:07,889 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:07,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-10 01:55:07,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:07,890 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-10 01:55:07,890 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=718, Unknown=0, NotChecked=0, Total=870 [2025-01-10 01:55:07,890 INFO L87 Difference]: Start difference. First operand 450 states and 487 transitions. Second operand has 25 states, 24 states have (on average 16.75) internal successors, (402), 25 states have internal predecessors, (402), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-01-10 01:55:10,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:10,058 INFO L93 Difference]: Finished difference Result 450 states and 487 transitions. [2025-01-10 01:55:10,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 01:55:10,059 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 16.75) internal successors, (402), 25 states have internal predecessors, (402), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 291 [2025-01-10 01:55:10,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:10,060 INFO L225 Difference]: With dead ends: 450 [2025-01-10 01:55:10,060 INFO L226 Difference]: Without dead ends: 416 [2025-01-10 01:55:10,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=313, Invalid=1093, Unknown=0, NotChecked=0, Total=1406 [2025-01-10 01:55:10,061 INFO L435 NwaCegarLoop]: 150 mSDtfsCounter, 1194 mSDsluCounter, 1353 mSDsCounter, 0 mSdLazyCounter, 2494 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 2598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 2494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:10,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 1503 Invalid, 2598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 2494 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-01-10 01:55:10,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2025-01-10 01:55:10,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2025-01-10 01:55:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 365 states have (on average 1.0602739726027397) internal successors, (387), 383 states have internal predecessors, (387), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 01:55:10,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 449 transitions. [2025-01-10 01:55:10,094 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 449 transitions. Word has length 291 [2025-01-10 01:55:10,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:10,094 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 449 transitions. [2025-01-10 01:55:10,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 16.75) internal successors, (402), 25 states have internal predecessors, (402), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-01-10 01:55:10,095 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 449 transitions. [2025-01-10 01:55:10,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2025-01-10 01:55:10,099 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:10,100 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-01-10 01:55:10,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:10,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2025-01-10 01:55:10,304 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:55:10,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:10,304 INFO L85 PathProgramCache]: Analyzing trace with hash 552107092, now seen corresponding path program 1 times [2025-01-10 01:55:10,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:10,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555184130] [2025-01-10 01:55:10,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:10,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:10,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 320 statements into 1 equivalence classes. [2025-01-10 01:55:10,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 320 of 320 statements. [2025-01-10 01:55:10,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:10,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1108 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2025-01-10 01:55:10,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:10,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555184130] [2025-01-10 01:55:10,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555184130] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:55:10,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:55:10,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:55:10,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099139387] [2025-01-10 01:55:10,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:55:10,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:55:10,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:10,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:55:10,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:55:10,363 INFO L87 Difference]: Start difference. First operand 416 states and 449 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:55:10,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:10,488 INFO L93 Difference]: Finished difference Result 416 states and 449 transitions. [2025-01-10 01:55:10,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:55:10,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 320 [2025-01-10 01:55:10,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:10,489 INFO L225 Difference]: With dead ends: 416 [2025-01-10 01:55:10,489 INFO L226 Difference]: Without dead ends: 415 [2025-01-10 01:55:10,489 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 01:55:10,489 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 185 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:10,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 148 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:55:10,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2025-01-10 01:55:10,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2025-01-10 01:55:10,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 365 states have (on average 1.0547945205479452) internal successors, (385), 382 states have internal predecessors, (385), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 01:55:10,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 447 transitions. [2025-01-10 01:55:10,510 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 447 transitions. Word has length 320 [2025-01-10 01:55:10,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:10,510 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 447 transitions. [2025-01-10 01:55:10,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-01-10 01:55:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 447 transitions. [2025-01-10 01:55:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2025-01-10 01:55:10,511 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:10,511 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:10,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2025-01-10 01:55:10,512 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:55:10,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:10,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1579743571, now seen corresponding path program 2 times [2025-01-10 01:55:10,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:10,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686182818] [2025-01-10 01:55:10,512 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:10,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:10,519 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 329 statements into 2 equivalence classes. [2025-01-10 01:55:10,535 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 329 of 329 statements. [2025-01-10 01:55:10,535 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:10,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:10,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753287393] [2025-01-10 01:55:10,536 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:55:10,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:10,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:10,538 INFO L229 MonitoredProcess]: Starting monitored process 32 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 01:55:10,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-01-10 01:55:10,575 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 329 statements into 2 equivalence classes. [2025-01-10 01:55:10,615 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 329 of 329 statements. [2025-01-10 01:55:10,616 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:55:10,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:10,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 01:55:10,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 58 proven. 278 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-01-10 01:55:11,804 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:12,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:12,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686182818] [2025-01-10 01:55:12,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:12,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753287393] [2025-01-10 01:55:12,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753287393] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:12,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:12,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 01:55:12,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809285831] [2025-01-10 01:55:12,235 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:12,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 01:55:12,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:12,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 01:55:12,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2025-01-10 01:55:12,236 INFO L87 Difference]: Start difference. First operand 415 states and 447 transitions. Second operand has 12 states, 11 states have (on average 20.636363636363637) internal successors, (227), 12 states have internal predecessors, (227), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-01-10 01:55:13,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:13,222 INFO L93 Difference]: Finished difference Result 415 states and 447 transitions. [2025-01-10 01:55:13,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 01:55:13,223 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 20.636363636363637) internal successors, (227), 12 states have internal predecessors, (227), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 329 [2025-01-10 01:55:13,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:13,224 INFO L225 Difference]: With dead ends: 415 [2025-01-10 01:55:13,224 INFO L226 Difference]: Without dead ends: 411 [2025-01-10 01:55:13,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2025-01-10 01:55:13,225 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 180 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:13,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 748 Invalid, 1324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 01:55:13,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2025-01-10 01:55:13,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 346. [2025-01-10 01:55:13,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 346 states, 305 states have (on average 1.0459016393442624) internal successors, (319), 318 states have internal predecessors, (319), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-01-10 01:55:13,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 371 transitions. [2025-01-10 01:55:13,242 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 371 transitions. Word has length 329 [2025-01-10 01:55:13,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:13,242 INFO L471 AbstractCegarLoop]: Abstraction has 346 states and 371 transitions. [2025-01-10 01:55:13,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 20.636363636363637) internal successors, (227), 12 states have internal predecessors, (227), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-01-10 01:55:13,242 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 371 transitions. [2025-01-10 01:55:13,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2025-01-10 01:55:13,243 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:13,243 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:55:13,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:13,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2025-01-10 01:55:13,444 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:55:13,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:13,445 INFO L85 PathProgramCache]: Analyzing trace with hash 2010122069, now seen corresponding path program 1 times [2025-01-10 01:55:13,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:13,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588233536] [2025-01-10 01:55:13,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:13,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:13,451 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 331 statements into 1 equivalence classes. [2025-01-10 01:55:13,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 331 of 331 statements. [2025-01-10 01:55:13,465 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:13,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:13,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1140245566] [2025-01-10 01:55:13,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:13,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:13,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:13,468 INFO L229 MonitoredProcess]: Starting monitored process 33 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 01:55:13,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-01-10 01:55:13,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 331 statements into 1 equivalence classes. [2025-01-10 01:55:13,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 331 of 331 statements. [2025-01-10 01:55:13,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:13,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:13,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 01:55:13,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:14,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 336 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-01-10 01:55:14,416 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:14,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:14,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588233536] [2025-01-10 01:55:14,905 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:55:14,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1140245566] [2025-01-10 01:55:14,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1140245566] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:14,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:55:14,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 01:55:14,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079701646] [2025-01-10 01:55:14,905 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:14,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 01:55:14,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:14,906 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 01:55:14,906 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:55:14,906 INFO L87 Difference]: Start difference. First operand 346 states and 371 transitions. Second operand has 13 states, 12 states have (on average 19.083333333333332) internal successors, (229), 13 states have internal predecessors, (229), 4 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2025-01-10 01:55:15,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:15,921 INFO L93 Difference]: Finished difference Result 444 states and 479 transitions. [2025-01-10 01:55:15,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 01:55:15,921 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 19.083333333333332) internal successors, (229), 13 states have internal predecessors, (229), 4 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) Word has length 331 [2025-01-10 01:55:15,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:15,923 INFO L225 Difference]: With dead ends: 444 [2025-01-10 01:55:15,923 INFO L226 Difference]: Without dead ends: 437 [2025-01-10 01:55:15,923 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:55:15,923 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 51 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 3001 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 721 SdHoareTripleChecker+Invalid, 3007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 3001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:15,923 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 721 Invalid, 3007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 3001 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-10 01:55:15,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2025-01-10 01:55:15,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 431. [2025-01-10 01:55:15,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 431 states, 385 states have (on average 1.051948051948052) internal successors, (405), 398 states have internal predecessors, (405), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 01:55:15,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 467 transitions. [2025-01-10 01:55:15,944 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 467 transitions. Word has length 331 [2025-01-10 01:55:15,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:15,944 INFO L471 AbstractCegarLoop]: Abstraction has 431 states and 467 transitions. [2025-01-10 01:55:15,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 19.083333333333332) internal successors, (229), 13 states have internal predecessors, (229), 4 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 4 states have call predecessors, (21), 4 states have call successors, (21) [2025-01-10 01:55:15,944 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 467 transitions. [2025-01-10 01:55:15,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2025-01-10 01:55:15,946 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:15,946 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 01:55:15,952 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-01-10 01:55:16,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2025-01-10 01:55:16,150 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:55:16,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:16,150 INFO L85 PathProgramCache]: Analyzing trace with hash -289460033, now seen corresponding path program 3 times [2025-01-10 01:55:16,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:16,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833857130] [2025-01-10 01:55:16,150 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:16,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:16,159 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 361 statements into 9 equivalence classes. [2025-01-10 01:55:16,190 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 215 of 361 statements. [2025-01-10 01:55:16,194 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-01-10 01:55:16,194 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:16,373 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 300 proven. 160 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-01-10 01:55:16,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:55:16,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833857130] [2025-01-10 01:55:16,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833857130] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:16,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1563363669] [2025-01-10 01:55:16,373 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:55:16,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:16,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:16,379 INFO L229 MonitoredProcess]: Starting monitored process 34 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 01:55:16,380 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-01-10 01:55:16,411 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 361 statements into 9 equivalence classes. [2025-01-10 01:55:16,420 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 44 of 361 statements. [2025-01-10 01:55:16,420 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 01:55:16,420 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:16,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:55:16,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 66 proven. 124 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2025-01-10 01:55:16,960 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:55:17,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1563363669] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:55:17,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:55:17,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-01-10 01:55:17,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190072508] [2025-01-10 01:55:17,098 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:55:17,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 01:55:17,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:55:17,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 01:55:17,099 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2025-01-10 01:55:17,099 INFO L87 Difference]: Start difference. First operand 431 states and 467 transitions. Second operand has 15 states, 15 states have (on average 22.733333333333334) internal successors, (341), 15 states have internal predecessors, (341), 7 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 8 states have call predecessors, (31), 7 states have call successors, (31) [2025-01-10 01:55:17,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:55:17,822 INFO L93 Difference]: Finished difference Result 442 states and 471 transitions. [2025-01-10 01:55:17,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-10 01:55:17,822 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 22.733333333333334) internal successors, (341), 15 states have internal predecessors, (341), 7 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 8 states have call predecessors, (31), 7 states have call successors, (31) Word has length 361 [2025-01-10 01:55:17,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:55:17,823 INFO L225 Difference]: With dead ends: 442 [2025-01-10 01:55:17,823 INFO L226 Difference]: Without dead ends: 305 [2025-01-10 01:55:17,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=583, Unknown=0, NotChecked=0, Total=756 [2025-01-10 01:55:17,824 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 549 mSDsluCounter, 760 mSDsCounter, 0 mSdLazyCounter, 1376 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 885 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 01:55:17,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 885 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1376 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 01:55:17,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2025-01-10 01:55:17,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2025-01-10 01:55:17,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 275 states have (on average 1.018181818181818) internal successors, (280), 280 states have internal predecessors, (280), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-01-10 01:55:17,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 326 transitions. [2025-01-10 01:55:17,843 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 326 transitions. Word has length 361 [2025-01-10 01:55:17,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:55:17,843 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 326 transitions. [2025-01-10 01:55:17,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 22.733333333333334) internal successors, (341), 15 states have internal predecessors, (341), 7 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 8 states have call predecessors, (31), 7 states have call successors, (31) [2025-01-10 01:55:17,843 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 326 transitions. [2025-01-10 01:55:17,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2025-01-10 01:55:17,845 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:55:17,845 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:55:17,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-01-10 01:55:18,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:18,045 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr89ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-01-10 01:55:18,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:55:18,046 INFO L85 PathProgramCache]: Analyzing trace with hash 824283955, now seen corresponding path program 1 times [2025-01-10 01:55:18,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:55:18,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197824458] [2025-01-10 01:55:18,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:18,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:55:18,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 367 statements into 1 equivalence classes. [2025-01-10 01:55:18,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 367 of 367 statements. [2025-01-10 01:55:18,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:18,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:55:18,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1257066767] [2025-01-10 01:55:18,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:55:18,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:55:18,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:55:18,083 INFO L229 MonitoredProcess]: Starting monitored process 35 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 01:55:18,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-01-10 01:55:18,116 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 367 statements into 1 equivalence classes. [2025-01-10 01:55:18,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 367 of 367 statements. [2025-01-10 01:55:18,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:55:18,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:55:18,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 01:55:18,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:55:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 336 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2025-01-10 01:55:18,728 INFO L312 TraceCheckSpWp]: Computing backward predicates...