./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/rev-2-n-u.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/array-multidimensional/rev-2-n-u.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 bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:21:21,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:21:21,640 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:21:21,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:21:21,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:21:21,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:21:21,665 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:21:21,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:21:21,666 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:21:21,666 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:21:21,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:21:21,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:21:21,666 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:21:21,666 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:21:21,667 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:21:21,667 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:21:21,667 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:21:21,668 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:21:21,668 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:21:21,668 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:21:21,669 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 -> bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 [2025-01-10 01:21:21,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:21:21,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:21:21,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:21:21,871 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:21:21,871 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:21:21,872 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2025-01-10 01:21:23,382 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2535792bf/0451bf07dff6421bb61ff112de89b4d6/FLAGe51bf9608 [2025-01-10 01:21:23,680 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:21:23,682 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2025-01-10 01:21:23,693 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2535792bf/0451bf07dff6421bb61ff112de89b4d6/FLAGe51bf9608 [2025-01-10 01:21:23,711 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2535792bf/0451bf07dff6421bb61ff112de89b4d6 [2025-01-10 01:21:23,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:21:23,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:21:23,721 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:21:23,721 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:21:23,727 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:21:23,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:23,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ab80c3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23, skipping insertion in model container [2025-01-10 01:21:23,730 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:23,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:21:23,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:21:23,893 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:21:23,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:21:23,926 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:21:23,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23 WrapperNode [2025-01-10 01:21:23,927 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:21:23,928 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:21:23,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:21:23,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:21:23,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:23,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:23,952 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 94 [2025-01-10 01:21:23,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:21:23,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:21:23,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:21:23,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:21:23,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:23,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:23,968 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:23,980 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 3, 2]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2025-01-10 01:21:23,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:23,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:23,990 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:23,990 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:23,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:23,996 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:24,000 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:24,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:21:24,002 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:21:24,002 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:21:24,002 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:21:24,003 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (1/1) ... [2025-01-10 01:21:24,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:21:24,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:24,033 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 01:21:24,041 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 01:21:24,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 01:21:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 01:21:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 01:21:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-01-10 01:21:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-10 01:21:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-10 01:21:24,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-10 01:21:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-01-10 01:21:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:21:24,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:21:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-10 01:21:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-10 01:21:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-01-10 01:21:24,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-10 01:21:24,124 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:21:24,125 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:21:24,329 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2025-01-10 01:21:24,329 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:21:24,338 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:21:24,339 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-10 01:21:24,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:21:24 BoogieIcfgContainer [2025-01-10 01:21:24,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:21:24,341 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:21:24,342 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:21:24,345 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:21:24,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:21:23" (1/3) ... [2025-01-10 01:21:24,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e88b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:21:24, skipping insertion in model container [2025-01-10 01:21:24,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:21:23" (2/3) ... [2025-01-10 01:21:24,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48e88b39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:21:24, skipping insertion in model container [2025-01-10 01:21:24,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:21:24" (3/3) ... [2025-01-10 01:21:24,348 INFO L128 eAbstractionObserver]: Analyzing ICFG rev-2-n-u.c [2025-01-10 01:21:24,362 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:21:24,363 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rev-2-n-u.c that has 1 procedures, 71 locations, 1 initial locations, 6 loop locations, and 28 error locations. [2025-01-10 01:21:24,411 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:21:24,420 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;@659269cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:21:24,421 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2025-01-10 01:21:24,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 42 states have (on average 1.8333333333333333) internal successors, (77), 70 states have internal predecessors, (77), 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 01:21:24,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 01:21:24,429 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:24,430 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 01:21:24,430 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:24,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:24,435 INFO L85 PathProgramCache]: Analyzing trace with hash 28695012, now seen corresponding path program 1 times [2025-01-10 01:21:24,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:24,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602901784] [2025-01-10 01:21:24,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:24,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:24,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 01:21:24,515 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 01:21:24,515 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:24,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:24,619 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 01:21:24,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:24,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602901784] [2025-01-10 01:21:24,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602901784] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:21:24,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:21:24,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:21:24,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478861006] [2025-01-10 01:21:24,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:21:24,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:21:24,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:24,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:21:24,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:21:24,641 INFO L87 Difference]: Start difference. First operand has 71 states, 42 states have (on average 1.8333333333333333) internal successors, (77), 70 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 01:21:24,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:24,780 INFO L93 Difference]: Finished difference Result 175 states and 205 transitions. [2025-01-10 01:21:24,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:21:24,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 01:21:24,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:24,787 INFO L225 Difference]: With dead ends: 175 [2025-01-10 01:21:24,788 INFO L226 Difference]: Without dead ends: 101 [2025-01-10 01:21:24,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 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 01:21:24,792 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 131 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:24,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 83 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:21:24,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2025-01-10 01:21:24,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 93. [2025-01-10 01:21:24,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 65 states have (on average 1.6923076923076923) internal successors, (110), 92 states have internal predecessors, (110), 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 01:21:24,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2025-01-10 01:21:24,818 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 5 [2025-01-10 01:21:24,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:24,818 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2025-01-10 01:21:24,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 01:21:24,819 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2025-01-10 01:21:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-01-10 01:21:24,819 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:24,819 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-01-10 01:21:24,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 01:21:24,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:24,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:24,820 INFO L85 PathProgramCache]: Analyzing trace with hash 890032072, now seen corresponding path program 1 times [2025-01-10 01:21:24,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:24,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184437898] [2025-01-10 01:21:24,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:24,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:24,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-01-10 01:21:24,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-01-10 01:21:24,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:24,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:24,886 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 01:21:24,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:24,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184437898] [2025-01-10 01:21:24,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184437898] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:21:24,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:21:24,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:21:24,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791098737] [2025-01-10 01:21:24,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:21:24,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:21:24,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:24,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:21:24,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:21:24,892 INFO L87 Difference]: Start difference. First operand 93 states and 110 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:24,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:24,944 INFO L93 Difference]: Finished difference Result 184 states and 218 transitions. [2025-01-10 01:21:24,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:21:24,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-01-10 01:21:24,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:24,946 INFO L225 Difference]: With dead ends: 184 [2025-01-10 01:21:24,946 INFO L226 Difference]: Without dead ends: 104 [2025-01-10 01:21:24,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:21:24,947 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 8 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:24,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 100 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:21:24,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-01-10 01:21:24,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2025-01-10 01:21:24,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 74 states have (on average 1.6486486486486487) internal successors, (122), 101 states have internal predecessors, (122), 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 01:21:24,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 122 transitions. [2025-01-10 01:21:24,953 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 122 transitions. Word has length 6 [2025-01-10 01:21:24,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:24,953 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 122 transitions. [2025-01-10 01:21:24,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:24,953 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 122 transitions. [2025-01-10 01:21:24,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-10 01:21:24,954 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:24,954 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:24,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 01:21:24,954 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:24,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:24,955 INFO L85 PathProgramCache]: Analyzing trace with hash 148934282, now seen corresponding path program 1 times [2025-01-10 01:21:24,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:24,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360089500] [2025-01-10 01:21:24,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:24,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:24,966 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 01:21:24,977 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 01:21:24,977 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:24,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:25,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:21:25,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:25,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360089500] [2025-01-10 01:21:25,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360089500] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:25,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695284744] [2025-01-10 01:21:25,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:25,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:25,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:25,047 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 01:21:25,049 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 01:21:25,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-10 01:21:25,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-10 01:21:25,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:25,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:25,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:21:25,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:21:25,128 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:21:25,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695284744] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:21:25,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:21:25,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 01:21:25,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937217024] [2025-01-10 01:21:25,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:21:25,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:21:25,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:25,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:21:25,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:21:25,129 INFO L87 Difference]: Start difference. First operand 102 states and 122 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:25,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:25,222 INFO L93 Difference]: Finished difference Result 110 states and 122 transitions. [2025-01-10 01:21:25,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:21:25,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-01-10 01:21:25,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:25,223 INFO L225 Difference]: With dead ends: 110 [2025-01-10 01:21:25,223 INFO L226 Difference]: Without dead ends: 107 [2025-01-10 01:21:25,223 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 01:21:25,224 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 61 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:25,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 105 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:21:25,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-01-10 01:21:25,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 99. [2025-01-10 01:21:25,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 74 states have (on average 1.5945945945945945) internal successors, (118), 98 states have internal predecessors, (118), 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 01:21:25,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 118 transitions. [2025-01-10 01:21:25,235 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 118 transitions. Word has length 8 [2025-01-10 01:21:25,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:25,235 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 118 transitions. [2025-01-10 01:21:25,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 118 transitions. [2025-01-10 01:21:25,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-01-10 01:21:25,236 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:25,236 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:21:25,243 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 01:21:25,440 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 01:21:25,440 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:25,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:25,440 INFO L85 PathProgramCache]: Analyzing trace with hash 321995490, now seen corresponding path program 1 times [2025-01-10 01:21:25,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:25,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875582992] [2025-01-10 01:21:25,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:25,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:25,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:21:25,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:21:25,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:25,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:25,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:21:25,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:25,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875582992] [2025-01-10 01:21:25,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875582992] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:25,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724593277] [2025-01-10 01:21:25,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:25,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:25,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:25,527 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 01:21:25,530 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 01:21:25,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-10 01:21:25,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-10 01:21:25,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:25,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:25,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:21:25,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:21:25,603 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:25,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:21:25,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724593277] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:25,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:25,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-10 01:21:25,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232233573] [2025-01-10 01:21:25,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:25,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:21:25,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:25,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:21:25,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:21:25,627 INFO L87 Difference]: Start difference. First operand 99 states and 118 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:25,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:25,739 INFO L93 Difference]: Finished difference Result 224 states and 280 transitions. [2025-01-10 01:21:25,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:21:25,740 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-01-10 01:21:25,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:25,742 INFO L225 Difference]: With dead ends: 224 [2025-01-10 01:21:25,742 INFO L226 Difference]: Without dead ends: 221 [2025-01-10 01:21:25,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 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 01:21:25,743 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 270 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:25,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 128 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:21:25,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2025-01-10 01:21:25,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 189. [2025-01-10 01:21:25,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 164 states have (on average 1.6341463414634145) internal successors, (268), 188 states have internal predecessors, (268), 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 01:21:25,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 268 transitions. [2025-01-10 01:21:25,765 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 268 transitions. Word has length 9 [2025-01-10 01:21:25,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:25,765 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 268 transitions. [2025-01-10 01:21:25,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:25,765 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 268 transitions. [2025-01-10 01:21:25,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-10 01:21:25,765 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:25,765 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:25,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-10 01:21:25,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:25,967 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:25,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:25,969 INFO L85 PathProgramCache]: Analyzing trace with hash 155222830, now seen corresponding path program 1 times [2025-01-10 01:21:25,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:25,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110101375] [2025-01-10 01:21:25,969 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:25,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:25,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-10 01:21:25,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-10 01:21:26,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:26,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:26,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:21:26,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:26,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110101375] [2025-01-10 01:21:26,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110101375] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:21:26,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:21:26,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:21:26,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516304195] [2025-01-10 01:21:26,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:21:26,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:21:26,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:26,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:21:26,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:21:26,081 INFO L87 Difference]: Start difference. First operand 189 states and 268 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 01:21:26,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:26,154 INFO L93 Difference]: Finished difference Result 409 states and 598 transitions. [2025-01-10 01:21:26,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:21:26,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-01-10 01:21:26,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:26,156 INFO L225 Difference]: With dead ends: 409 [2025-01-10 01:21:26,156 INFO L226 Difference]: Without dead ends: 326 [2025-01-10 01:21:26,156 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 01:21:26,156 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 136 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:26,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 67 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:21:26,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-01-10 01:21:26,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 315. [2025-01-10 01:21:26,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 290 states have (on average 1.5862068965517242) internal successors, (460), 314 states have internal predecessors, (460), 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 01:21:26,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 460 transitions. [2025-01-10 01:21:26,168 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 460 transitions. Word has length 13 [2025-01-10 01:21:26,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:26,168 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 460 transitions. [2025-01-10 01:21:26,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 01:21:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 460 transitions. [2025-01-10 01:21:26,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-01-10 01:21:26,168 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:26,168 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:26,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 01:21:26,169 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:26,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:26,169 INFO L85 PathProgramCache]: Analyzing trace with hash 516940498, now seen corresponding path program 1 times [2025-01-10 01:21:26,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:26,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555787954] [2025-01-10 01:21:26,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:26,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:26,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-10 01:21:26,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-10 01:21:26,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:26,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:26,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:21:26,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:26,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555787954] [2025-01-10 01:21:26,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555787954] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:21:26,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:21:26,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:21:26,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7037992] [2025-01-10 01:21:26,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:21:26,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:21:26,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:26,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:21:26,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:21:26,230 INFO L87 Difference]: Start difference. First operand 315 states and 460 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 01:21:26,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:26,313 INFO L93 Difference]: Finished difference Result 330 states and 460 transitions. [2025-01-10 01:21:26,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:21:26,313 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 14 [2025-01-10 01:21:26,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:26,314 INFO L225 Difference]: With dead ends: 330 [2025-01-10 01:21:26,314 INFO L226 Difference]: Without dead ends: 326 [2025-01-10 01:21:26,314 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 01:21:26,315 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 134 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:26,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 67 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:21:26,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-01-10 01:21:26,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 315. [2025-01-10 01:21:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 290 states have (on average 1.5172413793103448) internal successors, (440), 314 states have internal predecessors, (440), 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 01:21:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 440 transitions. [2025-01-10 01:21:26,325 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 440 transitions. Word has length 14 [2025-01-10 01:21:26,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:26,325 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 440 transitions. [2025-01-10 01:21:26,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 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 01:21:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 440 transitions. [2025-01-10 01:21:26,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-01-10 01:21:26,325 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:26,325 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-01-10 01:21:26,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 01:21:26,325 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:26,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:26,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1628110544, now seen corresponding path program 1 times [2025-01-10 01:21:26,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:26,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841392807] [2025-01-10 01:21:26,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:26,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:26,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 01:21:26,334 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:21:26,334 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:26,334 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:26,367 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:21:26,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:26,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841392807] [2025-01-10 01:21:26,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841392807] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:26,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481823044] [2025-01-10 01:21:26,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:26,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:26,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:26,369 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 01:21:26,370 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 01:21:26,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-10 01:21:26,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-10 01:21:26,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:26,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:26,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:21:26,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:26,438 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:21:26,438 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:26,463 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-10 01:21:26,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481823044] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:26,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:26,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2025-01-10 01:21:26,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126971568] [2025-01-10 01:21:26,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:26,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:21:26,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:26,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:21:26,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:21:26,465 INFO L87 Difference]: Start difference. First operand 315 states and 440 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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 01:21:26,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:26,972 INFO L93 Difference]: Finished difference Result 636 states and 857 transitions. [2025-01-10 01:21:26,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-10 01:21:26,973 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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 15 [2025-01-10 01:21:26,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:26,974 INFO L225 Difference]: With dead ends: 636 [2025-01-10 01:21:26,974 INFO L226 Difference]: Without dead ends: 339 [2025-01-10 01:21:26,975 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2025-01-10 01:21:26,976 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 796 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:26,976 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 28 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 01:21:26,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-01-10 01:21:26,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 308. [2025-01-10 01:21:26,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 290 states have (on average 1.3344827586206895) internal successors, (387), 307 states have internal predecessors, (387), 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 01:21:26,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 387 transitions. [2025-01-10 01:21:26,994 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 387 transitions. Word has length 15 [2025-01-10 01:21:26,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:26,994 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 387 transitions. [2025-01-10 01:21:26,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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 01:21:26,994 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 387 transitions. [2025-01-10 01:21:26,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-01-10 01:21:26,994 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:26,994 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1] [2025-01-10 01:21:27,004 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 01:21:27,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:27,195 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:27,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:27,195 INFO L85 PathProgramCache]: Analyzing trace with hash 533335816, now seen corresponding path program 2 times [2025-01-10 01:21:27,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:27,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61032020] [2025-01-10 01:21:27,196 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:21:27,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:27,213 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-01-10 01:21:27,216 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 18 statements. [2025-01-10 01:21:27,216 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:21:27,216 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:27,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 01:21:27,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:27,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61032020] [2025-01-10 01:21:27,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61032020] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:27,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290366465] [2025-01-10 01:21:27,255 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:21:27,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:27,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:27,257 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 01:21:27,259 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 01:21:27,304 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 18 statements into 2 equivalence classes. [2025-01-10 01:21:27,313 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 18 statements. [2025-01-10 01:21:27,313 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:21:27,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:27,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:21:27,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 01:21:27,356 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:27,389 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-10 01:21:27,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290366465] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:27,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:27,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-01-10 01:21:27,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478675802] [2025-01-10 01:21:27,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:27,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:21:27,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:27,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:21:27,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:21:27,390 INFO L87 Difference]: Start difference. First operand 308 states and 387 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:27,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:27,440 INFO L93 Difference]: Finished difference Result 308 states and 387 transitions. [2025-01-10 01:21:27,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:21:27,441 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-01-10 01:21:27,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:27,442 INFO L225 Difference]: With dead ends: 308 [2025-01-10 01:21:27,442 INFO L226 Difference]: Without dead ends: 305 [2025-01-10 01:21:27,442 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:21:27,443 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 130 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:27,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 61 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:21:27,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2025-01-10 01:21:27,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 257. [2025-01-10 01:21:27,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 242 states have (on average 1.3099173553719008) internal successors, (317), 256 states have internal predecessors, (317), 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 01:21:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 317 transitions. [2025-01-10 01:21:27,452 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 317 transitions. Word has length 18 [2025-01-10 01:21:27,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:27,453 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 317 transitions. [2025-01-10 01:21:27,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:27,453 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 317 transitions. [2025-01-10 01:21:27,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 01:21:27,453 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:27,453 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:27,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 01:21:27,654 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,SelfDestructingSolverStorable7 [2025-01-10 01:21:27,654 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:27,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:27,655 INFO L85 PathProgramCache]: Analyzing trace with hash 53522672, now seen corresponding path program 1 times [2025-01-10 01:21:27,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:27,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398308700] [2025-01-10 01:21:27,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:27,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:27,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:21:27,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:21:27,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:27,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:27,726 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-01-10 01:21:27,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:27,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398308700] [2025-01-10 01:21:27,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398308700] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:21:27,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:21:27,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:21:27,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659739124] [2025-01-10 01:21:27,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:21:27,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:21:27,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:27,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:21:27,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:21:27,727 INFO L87 Difference]: Start difference. First operand 257 states and 317 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:27,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:27,777 INFO L93 Difference]: Finished difference Result 269 states and 317 transitions. [2025-01-10 01:21:27,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:21:27,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2025-01-10 01:21:27,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:27,779 INFO L225 Difference]: With dead ends: 269 [2025-01-10 01:21:27,780 INFO L226 Difference]: Without dead ends: 265 [2025-01-10 01:21:27,780 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 01:21:27,781 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 95 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:27,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 64 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:21:27,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2025-01-10 01:21:27,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 257. [2025-01-10 01:21:27,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 242 states have (on average 1.2768595041322315) internal successors, (309), 256 states have internal predecessors, (309), 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 01:21:27,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 309 transitions. [2025-01-10 01:21:27,791 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 309 transitions. Word has length 27 [2025-01-10 01:21:27,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:27,791 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 309 transitions. [2025-01-10 01:21:27,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:27,793 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 309 transitions. [2025-01-10 01:21:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 01:21:27,795 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:27,795 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1] [2025-01-10 01:21:27,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-01-10 01:21:27,796 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:27,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:27,796 INFO L85 PathProgramCache]: Analyzing trace with hash 401977562, now seen corresponding path program 1 times [2025-01-10 01:21:27,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:27,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717488293] [2025-01-10 01:21:27,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:27,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:27,811 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 01:21:27,821 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 01:21:27,821 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:27,821 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:27,887 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-01-10 01:21:27,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:27,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717488293] [2025-01-10 01:21:27,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717488293] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:27,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1377991264] [2025-01-10 01:21:27,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:27,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:27,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:27,889 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 01:21:27,891 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 01:21:27,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 01:21:27,947 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 01:21:27,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:27,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:27,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-10 01:21:27,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:28,023 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 01:21:28,023 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:28,091 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 01:21:28,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1377991264] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:28,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:28,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2025-01-10 01:21:28,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890481911] [2025-01-10 01:21:28,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:28,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-10 01:21:28,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:28,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-10 01:21:28,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2025-01-10 01:21:28,108 INFO L87 Difference]: Start difference. First operand 257 states and 309 transitions. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:29,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:29,023 INFO L93 Difference]: Finished difference Result 1184 states and 1481 transitions. [2025-01-10 01:21:29,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-10 01:21:29,023 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2025-01-10 01:21:29,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:29,027 INFO L225 Difference]: With dead ends: 1184 [2025-01-10 01:21:29,027 INFO L226 Difference]: Without dead ends: 943 [2025-01-10 01:21:29,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2025-01-10 01:21:29,029 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 3332 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3332 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:29,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3332 Valid, 43 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:21:29,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2025-01-10 01:21:29,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 863. [2025-01-10 01:21:29,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 863 states, 848 states have (on average 1.3349056603773586) internal successors, (1132), 862 states have internal predecessors, (1132), 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 01:21:29,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 863 states and 1132 transitions. [2025-01-10 01:21:29,058 INFO L78 Accepts]: Start accepts. Automaton has 863 states and 1132 transitions. Word has length 34 [2025-01-10 01:21:29,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:29,059 INFO L471 AbstractCegarLoop]: Abstraction has 863 states and 1132 transitions. [2025-01-10 01:21:29,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:29,059 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1132 transitions. [2025-01-10 01:21:29,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-01-10 01:21:29,060 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:29,060 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:29,067 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 01:21:29,260 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,SelfDestructingSolverStorable9 [2025-01-10 01:21:29,261 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:29,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:29,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2449870, now seen corresponding path program 1 times [2025-01-10 01:21:29,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:29,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306241913] [2025-01-10 01:21:29,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:29,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:29,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-10 01:21:29,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-10 01:21:29,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:29,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:29,574 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 01:21:29,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:29,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306241913] [2025-01-10 01:21:29,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306241913] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:29,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825684164] [2025-01-10 01:21:29,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:29,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:29,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:29,579 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 01:21:29,581 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 01:21:29,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-10 01:21:29,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-10 01:21:29,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:29,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:29,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 01:21:29,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:29,899 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 01:21:29,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:30,168 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 01:21:30,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825684164] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:30,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:30,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 37 [2025-01-10 01:21:30,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859078876] [2025-01-10 01:21:30,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:30,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-10 01:21:30,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:30,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-10 01:21:30,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2025-01-10 01:21:30,170 INFO L87 Difference]: Start difference. First operand 863 states and 1132 transitions. Second operand has 37 states, 37 states have (on average 3.108108108108108) internal successors, (115), 37 states have internal predecessors, (115), 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 01:21:30,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:30,924 INFO L93 Difference]: Finished difference Result 2832 states and 3645 transitions. [2025-01-10 01:21:30,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-10 01:21:30,924 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.108108108108108) internal successors, (115), 37 states have internal predecessors, (115), 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 56 [2025-01-10 01:21:30,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:30,930 INFO L225 Difference]: With dead ends: 2832 [2025-01-10 01:21:30,930 INFO L226 Difference]: Without dead ends: 2003 [2025-01-10 01:21:30,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2025-01-10 01:21:30,932 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 1975 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1975 SdHoareTripleChecker+Valid, 600 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:30,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1975 Valid, 600 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 01:21:30,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2003 states. [2025-01-10 01:21:30,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2003 to 1835. [2025-01-10 01:21:30,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1835 states, 1820 states have (on average 1.3406593406593406) internal successors, (2440), 1834 states have internal predecessors, (2440), 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 01:21:30,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1835 states and 2440 transitions. [2025-01-10 01:21:30,967 INFO L78 Accepts]: Start accepts. Automaton has 1835 states and 2440 transitions. Word has length 56 [2025-01-10 01:21:30,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:30,967 INFO L471 AbstractCegarLoop]: Abstraction has 1835 states and 2440 transitions. [2025-01-10 01:21:30,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.108108108108108) internal successors, (115), 37 states have internal predecessors, (115), 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 01:21:30,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2440 transitions. [2025-01-10 01:21:30,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2025-01-10 01:21:30,968 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:30,968 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:30,979 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 01:21:31,173 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,SelfDestructingSolverStorable10 [2025-01-10 01:21:31,173 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:31,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:31,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1540377678, now seen corresponding path program 2 times [2025-01-10 01:21:31,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:31,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029508909] [2025-01-10 01:21:31,174 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:21:31,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:31,190 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 92 statements into 2 equivalence classes. [2025-01-10 01:21:31,209 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 92 of 92 statements. [2025-01-10 01:21:31,210 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:21:31,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:31,324 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2025-01-10 01:21:31,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:31,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029508909] [2025-01-10 01:21:31,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029508909] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:31,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026564081] [2025-01-10 01:21:31,325 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:21:31,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:31,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:31,327 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 01:21:31,328 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 01:21:31,381 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 92 statements into 2 equivalence classes. [2025-01-10 01:21:31,412 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 92 of 92 statements. [2025-01-10 01:21:31,412 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:21:31,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:31,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-10 01:21:31,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:31,878 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 1 proven. 715 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 01:21:31,878 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:32,489 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 1 proven. 715 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 01:21:32,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026564081] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:32,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:32,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 26, 26] total 52 [2025-01-10 01:21:32,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550341436] [2025-01-10 01:21:32,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:32,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-01-10 01:21:32,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:32,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-01-10 01:21:32,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1184, Invalid=1468, Unknown=0, NotChecked=0, Total=2652 [2025-01-10 01:21:32,492 INFO L87 Difference]: Start difference. First operand 1835 states and 2440 transitions. Second operand has 52 states, 52 states have (on average 3.1538461538461537) internal successors, (164), 52 states have internal predecessors, (164), 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 01:21:37,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:37,526 INFO L93 Difference]: Finished difference Result 5904 states and 7641 transitions. [2025-01-10 01:21:37,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-01-10 01:21:37,526 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.1538461538461537) internal successors, (164), 52 states have internal predecessors, (164), 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 92 [2025-01-10 01:21:37,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:37,551 INFO L225 Difference]: With dead ends: 5904 [2025-01-10 01:21:37,554 INFO L226 Difference]: Without dead ends: 4139 [2025-01-10 01:21:37,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9180 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=9913, Invalid=18479, Unknown=0, NotChecked=0, Total=28392 [2025-01-10 01:21:37,569 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 6939 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 884 mSolverCounterSat, 394 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6939 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 394 IncrementalHoareTripleChecker+Valid, 884 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:37,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6939 Valid, 866 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [394 Valid, 884 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-01-10 01:21:37,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4139 states. [2025-01-10 01:21:37,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4139 to 3779. [2025-01-10 01:21:37,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3779 states, 3764 states have (on average 1.3429861849096705) internal successors, (5055), 3778 states have internal predecessors, (5055), 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 01:21:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3779 states to 3779 states and 5055 transitions. [2025-01-10 01:21:37,656 INFO L78 Accepts]: Start accepts. Automaton has 3779 states and 5055 transitions. Word has length 92 [2025-01-10 01:21:37,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:37,657 INFO L471 AbstractCegarLoop]: Abstraction has 3779 states and 5055 transitions. [2025-01-10 01:21:37,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.1538461538461537) internal successors, (164), 52 states have internal predecessors, (164), 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 01:21:37,657 INFO L276 IsEmpty]: Start isEmpty. Operand 3779 states and 5055 transitions. [2025-01-10 01:21:37,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2025-01-10 01:21:37,662 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:37,662 INFO L218 NwaCegarLoop]: trace histogram [92, 92, 92, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:37,677 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 01:21:37,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:37,864 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:37,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:37,864 INFO L85 PathProgramCache]: Analyzing trace with hash 2001763738, now seen corresponding path program 3 times [2025-01-10 01:21:37,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:37,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385223782] [2025-01-10 01:21:37,864 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:21:37,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:37,922 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 306 statements into 94 equivalence classes. [2025-01-10 01:21:37,932 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 26 of 306 statements. [2025-01-10 01:21:37,932 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 01:21:37,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 12755 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 12748 trivial. 0 not checked. [2025-01-10 01:21:37,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:37,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385223782] [2025-01-10 01:21:37,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385223782] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:37,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1898107401] [2025-01-10 01:21:37,992 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 01:21:37,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:37,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:37,995 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 01:21:38,000 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 01:21:38,125 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 306 statements into 94 equivalence classes. [2025-01-10 01:21:38,141 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 26 of 306 statements. [2025-01-10 01:21:38,141 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 01:21:38,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:38,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:21:38,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12755 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12748 trivial. 0 not checked. [2025-01-10 01:21:38,510 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:21:38,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1898107401] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:21:38,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:21:38,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2025-01-10 01:21:38,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445396716] [2025-01-10 01:21:38,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:21:38,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:21:38,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:38,512 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:21:38,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:21:38,516 INFO L87 Difference]: Start difference. First operand 3779 states and 5055 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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 01:21:38,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:38,596 INFO L93 Difference]: Finished difference Result 3787 states and 5055 transitions. [2025-01-10 01:21:38,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:21:38,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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 306 [2025-01-10 01:21:38,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:38,606 INFO L225 Difference]: With dead ends: 3787 [2025-01-10 01:21:38,606 INFO L226 Difference]: Without dead ends: 3783 [2025-01-10 01:21:38,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:21:38,610 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 80 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:38,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 82 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:21:38,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3783 states. [2025-01-10 01:21:38,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3783 to 3775. [2025-01-10 01:21:38,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3775 states, 3764 states have (on average 1.1995217853347502) internal successors, (4515), 3774 states have internal predecessors, (4515), 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 01:21:38,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3775 states to 3775 states and 4515 transitions. [2025-01-10 01:21:38,742 INFO L78 Accepts]: Start accepts. Automaton has 3775 states and 4515 transitions. Word has length 306 [2025-01-10 01:21:38,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:38,743 INFO L471 AbstractCegarLoop]: Abstraction has 3775 states and 4515 transitions. [2025-01-10 01:21:38,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 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 01:21:38,743 INFO L276 IsEmpty]: Start isEmpty. Operand 3775 states and 4515 transitions. [2025-01-10 01:21:38,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2025-01-10 01:21:38,747 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:38,747 INFO L218 NwaCegarLoop]: trace histogram [138, 138, 138, 3, 3, 3, 2, 1, 1, 1] [2025-01-10 01:21:38,754 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 01:21:38,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:38,952 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:38,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:38,952 INFO L85 PathProgramCache]: Analyzing trace with hash 358970022, now seen corresponding path program 2 times [2025-01-10 01:21:38,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:38,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115242590] [2025-01-10 01:21:38,953 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:21:38,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:39,004 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 428 statements into 2 equivalence classes. [2025-01-10 01:21:39,006 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 428 statements. [2025-01-10 01:21:39,006 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:21:39,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:39,025 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2025-01-10 01:21:39,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:39,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115242590] [2025-01-10 01:21:39,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115242590] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:39,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859487735] [2025-01-10 01:21:39,026 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:21:39,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:39,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:39,032 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 01:21:39,033 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 01:21:39,215 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 428 statements into 2 equivalence classes. [2025-01-10 01:21:39,225 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 6 of 428 statements. [2025-01-10 01:21:39,225 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-01-10 01:21:39,225 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:39,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:21:39,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:39,593 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2025-01-10 01:21:39,593 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2025-01-10 01:21:40,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859487735] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:40,011 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:40,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-01-10 01:21:40,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077416032] [2025-01-10 01:21:40,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:40,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 01:21:40,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:40,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 01:21:40,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 01:21:40,014 INFO L87 Difference]: Start difference. First operand 3775 states and 4515 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 01:21:40,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:40,092 INFO L93 Difference]: Finished difference Result 3775 states and 4515 transitions. [2025-01-10 01:21:40,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:21:40,092 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 428 [2025-01-10 01:21:40,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:40,102 INFO L225 Difference]: With dead ends: 3775 [2025-01-10 01:21:40,103 INFO L226 Difference]: Without dead ends: 3772 [2025-01-10 01:21:40,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 859 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:21:40,104 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 102 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:40,104 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 23 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:21:40,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3772 states. [2025-01-10 01:21:40,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3772 to 2515. [2025-01-10 01:21:40,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2515 states, 2507 states have (on average 1.1499800558436377) internal successors, (2883), 2514 states have internal predecessors, (2883), 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 01:21:40,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2515 states to 2515 states and 2883 transitions. [2025-01-10 01:21:40,199 INFO L78 Accepts]: Start accepts. Automaton has 2515 states and 2883 transitions. Word has length 428 [2025-01-10 01:21:40,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:40,200 INFO L471 AbstractCegarLoop]: Abstraction has 2515 states and 2883 transitions. [2025-01-10 01:21:40,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 01:21:40,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2515 states and 2883 transitions. [2025-01-10 01:21:40,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 801 [2025-01-10 01:21:40,215 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:40,216 INFO L218 NwaCegarLoop]: trace histogram [92, 92, 92, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:40,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-10 01:21:40,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:40,416 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:40,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:40,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1427507708, now seen corresponding path program 1 times [2025-01-10 01:21:40,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:40,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94167801] [2025-01-10 01:21:40,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:40,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:40,487 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 800 statements into 1 equivalence classes. [2025-01-10 01:21:40,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 800 of 800 statements. [2025-01-10 01:21:40,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:40,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:41,077 INFO L134 CoverageAnalysis]: Checked inductivity of 24273 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 24180 trivial. 0 not checked. [2025-01-10 01:21:41,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:41,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94167801] [2025-01-10 01:21:41,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94167801] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:21:41,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:21:41,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:21:41,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533459872] [2025-01-10 01:21:41,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:21:41,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:21:41,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:41,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:21:41,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:21:41,082 INFO L87 Difference]: Start difference. First operand 2515 states and 2883 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:21:41,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:21:41,183 INFO L93 Difference]: Finished difference Result 2515 states and 2883 transitions. [2025-01-10 01:21:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:21:41,184 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), 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 800 [2025-01-10 01:21:41,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:21:41,195 INFO L225 Difference]: With dead ends: 2515 [2025-01-10 01:21:41,199 INFO L226 Difference]: Without dead ends: 2511 [2025-01-10 01:21:41,200 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 01:21:41,201 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 33 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:21:41,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 25 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:21:41,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2511 states. [2025-01-10 01:21:41,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2511 to 2511. [2025-01-10 01:21:41,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2511 states, 2507 states have (on average 1.0765855604307937) internal successors, (2699), 2510 states have internal predecessors, (2699), 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 01:21:41,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 2699 transitions. [2025-01-10 01:21:41,287 INFO L78 Accepts]: Start accepts. Automaton has 2511 states and 2699 transitions. Word has length 800 [2025-01-10 01:21:41,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:21:41,288 INFO L471 AbstractCegarLoop]: Abstraction has 2511 states and 2699 transitions. [2025-01-10 01:21:41,288 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), 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 01:21:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 2699 transitions. [2025-01-10 01:21:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 802 [2025-01-10 01:21:41,292 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:21:41,292 INFO L218 NwaCegarLoop]: trace histogram [92, 92, 92, 47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:21:41,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-10 01:21:41,293 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:21:41,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:21:41,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1303065924, now seen corresponding path program 1 times [2025-01-10 01:21:41,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:21:41,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416133770] [2025-01-10 01:21:41,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:41,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:21:41,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 801 statements into 1 equivalence classes. [2025-01-10 01:21:41,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 801 of 801 statements. [2025-01-10 01:21:41,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:41,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:45,363 INFO L134 CoverageAnalysis]: Checked inductivity of 24319 backedges. 6443 proven. 3151 refuted. 0 times theorem prover too weak. 14725 trivial. 0 not checked. [2025-01-10 01:21:45,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:21:45,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416133770] [2025-01-10 01:21:45,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416133770] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:21:45,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564694883] [2025-01-10 01:21:45,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:21:45,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:21:45,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:21:45,366 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 01:21:45,368 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 01:21:45,617 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 801 statements into 1 equivalence classes. [2025-01-10 01:21:45,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 801 of 801 statements. [2025-01-10 01:21:45,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:21:45,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:21:45,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 1882 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-01-10 01:21:45,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:21:47,278 INFO L134 CoverageAnalysis]: Checked inductivity of 24319 backedges. 6443 proven. 3151 refuted. 0 times theorem prover too weak. 14725 trivial. 0 not checked. [2025-01-10 01:21:47,279 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:21:50,075 INFO L134 CoverageAnalysis]: Checked inductivity of 24319 backedges. 6443 proven. 3151 refuted. 0 times theorem prover too weak. 14725 trivial. 0 not checked. [2025-01-10 01:21:50,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564694883] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:21:50,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:21:50,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 50, 50] total 145 [2025-01-10 01:21:50,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099914973] [2025-01-10 01:21:50,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:21:50,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-01-10 01:21:50,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:21:50,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-01-10 01:21:50,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9219, Invalid=11661, Unknown=0, NotChecked=0, Total=20880 [2025-01-10 01:21:50,085 INFO L87 Difference]: Start difference. First operand 2511 states and 2699 transitions. Second operand has 145 states, 145 states have (on average 3.0827586206896553) internal successors, (447), 145 states have internal predecessors, (447), 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 01:22:02,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:22:02,359 INFO L93 Difference]: Finished difference Result 7844 states and 8327 transitions. [2025-01-10 01:22:02,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2025-01-10 01:22:02,360 INFO L78 Accepts]: Start accepts. Automaton has has 145 states, 145 states have (on average 3.0827586206896553) internal successors, (447), 145 states have internal predecessors, (447), 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 801 [2025-01-10 01:22:02,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:22:02,372 INFO L225 Difference]: With dead ends: 7844 [2025-01-10 01:22:02,372 INFO L226 Difference]: Without dead ends: 5475 [2025-01-10 01:22:02,377 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1697 GetRequests, 1507 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13345 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=13872, Invalid=22800, Unknown=0, NotChecked=0, Total=36672 [2025-01-10 01:22:02,378 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 12550 mSDsluCounter, 1637 mSDsCounter, 0 mSdLazyCounter, 1946 mSolverCounterSat, 930 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12550 SdHoareTripleChecker+Valid, 1664 SdHoareTripleChecker+Invalid, 2876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 930 IncrementalHoareTripleChecker+Valid, 1946 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:22:02,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12550 Valid, 1664 Invalid, 2876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [930 Valid, 1946 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-01-10 01:22:02,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5475 states. [2025-01-10 01:22:02,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5475 to 5103. [2025-01-10 01:22:02,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5103 states, 5099 states have (on average 1.0753088840949205) internal successors, (5483), 5102 states have internal predecessors, (5483), 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 01:22:02,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5103 states to 5103 states and 5483 transitions. [2025-01-10 01:22:02,486 INFO L78 Accepts]: Start accepts. Automaton has 5103 states and 5483 transitions. Word has length 801 [2025-01-10 01:22:02,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:22:02,487 INFO L471 AbstractCegarLoop]: Abstraction has 5103 states and 5483 transitions. [2025-01-10 01:22:02,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 3.0827586206896553) internal successors, (447), 145 states have internal predecessors, (447), 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 01:22:02,487 INFO L276 IsEmpty]: Start isEmpty. Operand 5103 states and 5483 transitions. [2025-01-10 01:22:02,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1618 [2025-01-10 01:22:02,498 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:22:02,499 INFO L218 NwaCegarLoop]: trace histogram [188, 188, 188, 95, 95, 94, 94, 94, 94, 94, 94, 94, 94, 94, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:22:02,511 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 01:22:02,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-10 01:22:02,703 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-01-10 01:22:02,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:22:02,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1748024132, now seen corresponding path program 2 times [2025-01-10 01:22:02,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:22:02,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948637702] [2025-01-10 01:22:02,704 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:22:02,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:22:02,830 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1617 statements into 2 equivalence classes. [2025-01-10 01:22:02,908 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 1617 of 1617 statements. [2025-01-10 01:22:02,909 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:22:02,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:22:03,827 INFO L134 CoverageAnalysis]: Checked inductivity of 101575 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 101291 trivial. 0 not checked. [2025-01-10 01:22:03,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:22:03,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948637702] [2025-01-10 01:22:03,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948637702] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:22:03,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630416585] [2025-01-10 01:22:03,828 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 01:22:03,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:22:03,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:22:03,831 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 01:22:03,835 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 01:22:04,131 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1617 statements into 2 equivalence classes. [2025-01-10 01:22:04,481 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 1617 of 1617 statements. [2025-01-10 01:22:04,481 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 01:22:04,481 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:22:04,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 3754 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-01-10 01:22:04,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:22:08,658 INFO L134 CoverageAnalysis]: Checked inductivity of 101575 backedges. 26699 proven. 13207 refuted. 0 times theorem prover too weak. 61669 trivial. 0 not checked. [2025-01-10 01:22:08,658 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:22:15,459 INFO L134 CoverageAnalysis]: Checked inductivity of 101575 backedges. 26699 proven. 13207 refuted. 0 times theorem prover too weak. 61669 trivial. 0 not checked. [2025-01-10 01:22:15,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630416585] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:22:15,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:22:15,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 98, 98] total 197 [2025-01-10 01:22:15,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567444737] [2025-01-10 01:22:15,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:22:15,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 197 states [2025-01-10 01:22:15,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:22:15,467 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2025-01-10 01:22:15,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18538, Invalid=20074, Unknown=0, NotChecked=0, Total=38612 [2025-01-10 01:22:15,470 INFO L87 Difference]: Start difference. First operand 5103 states and 5483 transitions. Second operand has 197 states, 197 states have (on average 3.1624365482233503) internal successors, (623), 197 states have internal predecessors, (623), 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)