./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc 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/copy-partial-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 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:20:00,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:20:00,830 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:20:00,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:20:00,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:20:00,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:20:00,857 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:20:00,857 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:20:00,857 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:20:00,857 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:20:00,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:20:00,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:20:00,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:20:00,858 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:20:00,858 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:20:00,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:20:00,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:20:00,859 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:20:00,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:20:00,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:20:00,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:20:00,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:20:00,859 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:20:00,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:20:00,860 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:20:00,860 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:20:00,860 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:20:00,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:20:00,860 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:20:00,860 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:20:00,860 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:20:00,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:20:00,861 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:20:00,861 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:20:00,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:20:00,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:20:00,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:20:00,861 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:20:00,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:20:00,862 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:20:00,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:20:00,862 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:20:00,862 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:20:00,862 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:20:00,862 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:20:00,862 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 -> 2a46b64c20324a7544dfe7936b5f39eaa32bba659068797748195a7f292bdaee [2025-02-06 13:20:01,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:20:01,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:20:01,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:20:01,198 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:20:01,198 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:20:01,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2025-02-06 13:20:02,602 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ba4bd4790/b8f2d88d5633400595f2fc7dfb6482f7/FLAG989512a17 [2025-02-06 13:20:02,871 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:20:02,872 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/copy-partial-2-n-u.c [2025-02-06 13:20:02,900 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ba4bd4790/b8f2d88d5633400595f2fc7dfb6482f7/FLAG989512a17 [2025-02-06 13:20:03,176 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ba4bd4790/b8f2d88d5633400595f2fc7dfb6482f7 [2025-02-06 13:20:03,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:20:03,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:20:03,184 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:20:03,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:20:03,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:20:03,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130209e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03, skipping insertion in model container [2025-02-06 13:20:03,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,210 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:20:03,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:20:03,387 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:20:03,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:20:03,428 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:20:03,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03 WrapperNode [2025-02-06 13:20:03,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:20:03,430 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:20:03,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:20:03,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:20:03,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,466 INFO L138 Inliner]: procedures = 15, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2025-02-06 13:20:03,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:20:03,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:20:03,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:20:03,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:20:03,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,493 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]. [2025-02-06 13:20:03,496 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,496 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,503 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,508 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,509 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:20:03,515 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:20:03,515 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:20:03,515 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:20:03,516 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03" (1/1) ... [2025-02-06 13:20:03,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:20:03,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:03,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 13:20:03,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 13:20:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:20:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 13:20:03,573 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 13:20:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:20:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 13:20:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 13:20:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 13:20:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-06 13:20:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-06 13:20:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-06 13:20:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:20:03,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:20:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-06 13:20:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-06 13:20:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-06 13:20:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 13:20:03,654 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:20:03,655 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:20:03,846 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L22: call ULTIMATE.dealloc(main_~#A~0#1.base, main_~#A~0#1.offset);havoc main_~#A~0#1.base, main_~#A~0#1.offset;call ULTIMATE.dealloc(main_~#B~0#1.base, main_~#B~0#1.offset);havoc main_~#B~0#1.base, main_~#B~0#1.offset; [2025-02-06 13:20:03,860 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2025-02-06 13:20:03,860 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:20:03,873 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:20:03,873 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:20:03,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:20:03 BoogieIcfgContainer [2025-02-06 13:20:03,874 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:20:03,878 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:20:03,878 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:20:03,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:20:03,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:20:03" (1/3) ... [2025-02-06 13:20:03,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763453cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:20:03, skipping insertion in model container [2025-02-06 13:20:03,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:20:03" (2/3) ... [2025-02-06 13:20:03,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@763453cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:20:03, skipping insertion in model container [2025-02-06 13:20:03,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:20:03" (3/3) ... [2025-02-06 13:20:03,887 INFO L128 eAbstractionObserver]: Analyzing ICFG copy-partial-2-n-u.c [2025-02-06 13:20:03,904 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:20:03,905 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG copy-partial-2-n-u.c that has 2 procedures, 46 locations, 1 initial locations, 6 loop locations, and 12 error locations. [2025-02-06 13:20:03,949 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:20:03,959 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;@225e46f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:20:03,959 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-02-06 13:20:03,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 42 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:03,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 13:20:03,969 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:03,969 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:03,970 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-06 13:20:03,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:03,974 INFO L85 PathProgramCache]: Analyzing trace with hash 904457786, now seen corresponding path program 1 times [2025-02-06 13:20:03,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:03,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667868116] [2025-02-06 13:20:03,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:03,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:04,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:20:04,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:20:04,065 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:04,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:04,130 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:20:04,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:04,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667868116] [2025-02-06 13:20:04,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667868116] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:04,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243901346] [2025-02-06 13:20:04,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:04,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:04,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:04,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:04,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 13:20:04,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:20:04,239 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:20:04,240 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:04,240 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:04,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 13:20:04,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:04,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:20:04,259 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:20:04,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243901346] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:04,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:20:04,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 13:20:04,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100434101] [2025-02-06 13:20:04,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:04,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 13:20:04,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:04,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 13:20:04,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:20:04,286 INFO L87 Difference]: Start difference. First operand has 46 states, 30 states have (on average 1.6666666666666667) internal successors, (50), 42 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:04,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:04,309 INFO L93 Difference]: Finished difference Result 88 states and 105 transitions. [2025-02-06 13:20:04,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 13:20:04,312 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 16 [2025-02-06 13:20:04,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:04,318 INFO L225 Difference]: With dead ends: 88 [2025-02-06 13:20:04,318 INFO L226 Difference]: Without dead ends: 41 [2025-02-06 13:20:04,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:20:04,325 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:04,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:20:04,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2025-02-06 13:20:04,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2025-02-06 13:20:04,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:04,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2025-02-06 13:20:04,368 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 16 [2025-02-06 13:20:04,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:04,370 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2025-02-06 13:20:04,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:04,370 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2025-02-06 13:20:04,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 13:20:04,371 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:04,371 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:04,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 13:20:04,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 13:20:04,576 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-06 13:20:04,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:04,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1921044186, now seen corresponding path program 1 times [2025-02-06 13:20:04,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:04,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554224598] [2025-02-06 13:20:04,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:04,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:04,598 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:20:04,619 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:20:04,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:04,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:04,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:20:04,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:04,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554224598] [2025-02-06 13:20:04,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554224598] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:04,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:04,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:20:04,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519549094] [2025-02-06 13:20:04,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:04,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:20:04,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:04,733 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:20:04,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:20:04,734 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:20:04,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:04,805 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2025-02-06 13:20:04,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:20:04,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2025-02-06 13:20:04,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:04,807 INFO L225 Difference]: With dead ends: 58 [2025-02-06 13:20:04,807 INFO L226 Difference]: Without dead ends: 52 [2025-02-06 13:20:04,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:20:04,808 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 7 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:04,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 60 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:04,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-02-06 13:20:04,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-02-06 13:20:04,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.5405405405405406) internal successors, (57), 48 states have internal predecessors, (57), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:04,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 61 transitions. [2025-02-06 13:20:04,815 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 61 transitions. Word has length 16 [2025-02-06 13:20:04,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:04,816 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 61 transitions. [2025-02-06 13:20:04,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:20:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2025-02-06 13:20:04,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 13:20:04,817 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:04,818 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:04,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:20:04,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-06 13:20:04,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:04,819 INFO L85 PathProgramCache]: Analyzing trace with hash 1921044213, now seen corresponding path program 1 times [2025-02-06 13:20:04,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:04,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487943817] [2025-02-06 13:20:04,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:04,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:04,827 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:20:04,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:20:04,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:04,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:04,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:20:04,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:04,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487943817] [2025-02-06 13:20:04,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487943817] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:04,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:04,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:20:04,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497246393] [2025-02-06 13:20:04,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:04,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:20:04,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:04,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:20:04,960 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:04,960 INFO L87 Difference]: Start difference. First operand 52 states and 61 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:20:05,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:05,057 INFO L93 Difference]: Finished difference Result 95 states and 112 transitions. [2025-02-06 13:20:05,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:20:05,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2025-02-06 13:20:05,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:05,058 INFO L225 Difference]: With dead ends: 95 [2025-02-06 13:20:05,058 INFO L226 Difference]: Without dead ends: 52 [2025-02-06 13:20:05,059 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 [2025-02-06 13:20:05,059 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 57 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:05,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 58 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:05,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2025-02-06 13:20:05,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2025-02-06 13:20:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 37 states have (on average 1.5135135135135136) internal successors, (56), 48 states have internal predecessors, (56), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:05,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2025-02-06 13:20:05,081 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 16 [2025-02-06 13:20:05,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:05,081 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2025-02-06 13:20:05,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:20:05,081 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2025-02-06 13:20:05,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-06 13:20:05,082 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:05,082 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:05,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:20:05,082 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-06 13:20:05,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:05,083 INFO L85 PathProgramCache]: Analyzing trace with hash -577509970, now seen corresponding path program 1 times [2025-02-06 13:20:05,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:05,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452743028] [2025-02-06 13:20:05,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:05,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:05,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 13:20:05,097 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 13:20:05,097 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:05,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:05,166 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:20:05,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:05,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452743028] [2025-02-06 13:20:05,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452743028] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:05,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:05,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:20:05,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230240063] [2025-02-06 13:20:05,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:05,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:20:05,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:05,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:20:05,171 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:05,172 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:20:05,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:05,211 INFO L93 Difference]: Finished difference Result 95 states and 110 transitions. [2025-02-06 13:20:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:20:05,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2025-02-06 13:20:05,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:05,212 INFO L225 Difference]: With dead ends: 95 [2025-02-06 13:20:05,213 INFO L226 Difference]: Without dead ends: 63 [2025-02-06 13:20:05,213 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 [2025-02-06 13:20:05,214 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 28 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:05,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 78 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:20:05,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-02-06 13:20:05,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2025-02-06 13:20:05,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 46 states have (on average 1.4782608695652173) internal successors, (68), 57 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:05,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions. [2025-02-06 13:20:05,225 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 72 transitions. Word has length 17 [2025-02-06 13:20:05,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:05,225 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 72 transitions. [2025-02-06 13:20:05,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:20:05,225 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2025-02-06 13:20:05,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 13:20:05,226 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:05,226 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:05,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:20:05,226 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-06 13:20:05,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:05,226 INFO L85 PathProgramCache]: Analyzing trace with hash -611862032, now seen corresponding path program 1 times [2025-02-06 13:20:05,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:05,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961857026] [2025-02-06 13:20:05,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:05,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:05,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:20:05,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:20:05,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:05,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:20:05,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:05,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961857026] [2025-02-06 13:20:05,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961857026] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:05,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042851367] [2025-02-06 13:20:05,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:05,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:05,302 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:05,304 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:05,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 13:20:05,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:20:05,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:20:05,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:05,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:05,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:20:05,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:05,404 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:20:05,404 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:20:05,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042851367] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:05,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:20:05,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-06 13:20:05,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366476804] [2025-02-06 13:20:05,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:05,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:20:05,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:05,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:20:05,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:20:05,405 INFO L87 Difference]: Start difference. First operand 61 states and 72 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:20:05,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:05,483 INFO L93 Difference]: Finished difference Result 61 states and 72 transitions. [2025-02-06 13:20:05,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:20:05,483 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-02-06 13:20:05,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:05,484 INFO L225 Difference]: With dead ends: 61 [2025-02-06 13:20:05,484 INFO L226 Difference]: Without dead ends: 58 [2025-02-06 13:20:05,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:20:05,485 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 13 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:05,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 79 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:05,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2025-02-06 13:20:05,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2025-02-06 13:20:05,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 46 states have (on average 1.391304347826087) internal successors, (64), 54 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:05,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 68 transitions. [2025-02-06 13:20:05,493 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 68 transitions. Word has length 19 [2025-02-06 13:20:05,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:05,493 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 68 transitions. [2025-02-06 13:20:05,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:20:05,493 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2025-02-06 13:20:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-06 13:20:05,494 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:05,494 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:05,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 13:20:05,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:05,695 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-06 13:20:05,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:05,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1787853796, now seen corresponding path program 1 times [2025-02-06 13:20:05,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:05,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278259769] [2025-02-06 13:20:05,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:05,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:05,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 13:20:05,709 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 13:20:05,709 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:05,709 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:20:05,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:05,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278259769] [2025-02-06 13:20:05,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278259769] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:05,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612918786] [2025-02-06 13:20:05,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:05,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:05,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:05,753 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:05,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 13:20:05,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 13:20:05,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 13:20:05,804 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:05,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:05,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:20:05,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:05,821 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:20:05,822 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:05,863 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:20:05,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612918786] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:05,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:05,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 13:20:05,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857729517] [2025-02-06 13:20:05,864 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:05,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:20:05,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:05,865 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:20:05,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:20:05,865 INFO L87 Difference]: Start difference. First operand 58 states and 68 transitions. Second operand has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:20:05,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:05,967 INFO L93 Difference]: Finished difference Result 103 states and 134 transitions. [2025-02-06 13:20:05,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 13:20:05,967 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2025-02-06 13:20:05,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:05,969 INFO L225 Difference]: With dead ends: 103 [2025-02-06 13:20:05,970 INFO L226 Difference]: Without dead ends: 100 [2025-02-06 13:20:05,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:20:05,971 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 48 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:05,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 86 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:20:05,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2025-02-06 13:20:05,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2025-02-06 13:20:05,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 88 states have (on average 1.3409090909090908) internal successors, (118), 96 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:05,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 122 transitions. [2025-02-06 13:20:05,990 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 122 transitions. Word has length 20 [2025-02-06 13:20:05,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:05,990 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 122 transitions. [2025-02-06 13:20:05,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.0) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:20:05,990 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 122 transitions. [2025-02-06 13:20:05,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-06 13:20:05,991 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:05,991 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:05,997 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 13:20:06,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:06,192 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-06 13:20:06,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:06,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1183459691, now seen corresponding path program 1 times [2025-02-06 13:20:06,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:06,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819382639] [2025-02-06 13:20:06,192 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:06,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:06,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-06 13:20:06,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-06 13:20:06,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:06,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:06,257 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 13:20:06,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:06,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819382639] [2025-02-06 13:20:06,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819382639] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:20:06,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:20:06,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:20:06,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958317360] [2025-02-06 13:20:06,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:20:06,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:20:06,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:06,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:20:06,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:20:06,260 INFO L87 Difference]: Start difference. First operand 100 states and 122 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:20:06,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:06,310 INFO L93 Difference]: Finished difference Result 152 states and 185 transitions. [2025-02-06 13:20:06,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:20:06,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2025-02-06 13:20:06,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:06,311 INFO L225 Difference]: With dead ends: 152 [2025-02-06 13:20:06,311 INFO L226 Difference]: Without dead ends: 100 [2025-02-06 13:20:06,312 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 [2025-02-06 13:20:06,312 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 34 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:06,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 62 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:20:06,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2025-02-06 13:20:06,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2025-02-06 13:20:06,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 88 states have (on average 1.3181818181818181) internal successors, (116), 96 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:06,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 120 transitions. [2025-02-06 13:20:06,337 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 120 transitions. Word has length 24 [2025-02-06 13:20:06,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:06,337 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 120 transitions. [2025-02-06 13:20:06,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:20:06,338 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 120 transitions. [2025-02-06 13:20:06,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-06 13:20:06,338 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:06,339 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:06,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 13:20:06,339 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-06 13:20:06,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:06,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1186008370, now seen corresponding path program 1 times [2025-02-06 13:20:06,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:06,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925829771] [2025-02-06 13:20:06,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:06,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:06,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 13:20:06,351 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 13:20:06,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:06,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:06,397 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 13:20:06,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:06,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925829771] [2025-02-06 13:20:06,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925829771] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:06,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220339324] [2025-02-06 13:20:06,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:06,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:06,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:06,400 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:06,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 13:20:06,443 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 13:20:06,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 13:20:06,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:06,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:06,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:20:06,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:06,510 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 13:20:06,510 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:06,571 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 13:20:06,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220339324] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:06,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:06,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2025-02-06 13:20:06,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291014781] [2025-02-06 13:20:06,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:06,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 13:20:06,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:06,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 13:20:06,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:20:06,572 INFO L87 Difference]: Start difference. First operand 100 states and 120 transitions. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:20:06,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:06,950 INFO L93 Difference]: Finished difference Result 221 states and 270 transitions. [2025-02-06 13:20:06,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 13:20:06,950 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 26 [2025-02-06 13:20:06,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:06,951 INFO L225 Difference]: With dead ends: 221 [2025-02-06 13:20:06,951 INFO L226 Difference]: Without dead ends: 146 [2025-02-06 13:20:06,952 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2025-02-06 13:20:06,953 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 289 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:06,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 91 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:20:06,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2025-02-06 13:20:06,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 143. [2025-02-06 13:20:06,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 134 states have (on average 1.2238805970149254) internal successors, (164), 139 states have internal predecessors, (164), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:06,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2025-02-06 13:20:06,965 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 26 [2025-02-06 13:20:06,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:06,966 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2025-02-06 13:20:06,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:20:06,966 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2025-02-06 13:20:06,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-06 13:20:06,966 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:06,966 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:06,974 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 [2025-02-06 13:20:07,167 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 [2025-02-06 13:20:07,167 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-06 13:20:07,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:07,168 INFO L85 PathProgramCache]: Analyzing trace with hash 927468530, now seen corresponding path program 2 times [2025-02-06 13:20:07,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:07,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739610311] [2025-02-06 13:20:07,168 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:07,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:07,181 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-02-06 13:20:07,187 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 29 statements. [2025-02-06 13:20:07,187 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:20:07,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-02-06 13:20:07,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:07,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739610311] [2025-02-06 13:20:07,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739610311] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:07,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346301888] [2025-02-06 13:20:07,219 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:07,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:07,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:07,222 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:07,225 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 13:20:07,275 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-02-06 13:20:07,289 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 29 statements. [2025-02-06 13:20:07,289 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:20:07,289 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:07,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:20:07,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:07,332 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-02-06 13:20:07,332 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:07,380 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-02-06 13:20:07,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346301888] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:07,381 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:07,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-06 13:20:07,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440103847] [2025-02-06 13:20:07,381 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:07,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:20:07,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:07,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:20:07,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:20:07,382 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:20:07,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:07,460 INFO L93 Difference]: Finished difference Result 143 states and 168 transitions. [2025-02-06 13:20:07,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:20:07,461 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 29 [2025-02-06 13:20:07,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:07,462 INFO L225 Difference]: With dead ends: 143 [2025-02-06 13:20:07,462 INFO L226 Difference]: Without dead ends: 142 [2025-02-06 13:20:07,462 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:20:07,463 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 100 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:07,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 78 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:20:07,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2025-02-06 13:20:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 138. [2025-02-06 13:20:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 130 states have (on average 1.2153846153846153) internal successors, (158), 134 states have internal predecessors, (158), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:07,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 162 transitions. [2025-02-06 13:20:07,479 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 162 transitions. Word has length 29 [2025-02-06 13:20:07,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:07,480 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 162 transitions. [2025-02-06 13:20:07,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:20:07,480 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 162 transitions. [2025-02-06 13:20:07,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 13:20:07,481 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:07,481 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:07,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 13:20:07,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:07,682 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-06 13:20:07,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:07,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1759513004, now seen corresponding path program 1 times [2025-02-06 13:20:07,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:07,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951167053] [2025-02-06 13:20:07,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:07,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:07,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 13:20:07,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 13:20:07,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:07,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-02-06 13:20:07,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:07,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951167053] [2025-02-06 13:20:07,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951167053] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:07,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848479723] [2025-02-06 13:20:07,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:07,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:07,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:07,791 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:07,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 13:20:07,838 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 13:20:07,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 13:20:07,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:07,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:07,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 13:20:07,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 13:20:07,988 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:08,092 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 1 proven. 22 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-06 13:20:08,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848479723] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:08,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:08,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2025-02-06 13:20:08,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334187109] [2025-02-06 13:20:08,093 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:08,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 13:20:08,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:08,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 13:20:08,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:20:08,094 INFO L87 Difference]: Start difference. First operand 138 states and 162 transitions. Second operand has 16 states, 16 states have (on average 4.4375) internal successors, (71), 16 states have internal predecessors, (71), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:20:08,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:08,882 INFO L93 Difference]: Finished difference Result 517 states and 665 transitions. [2025-02-06 13:20:08,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-02-06 13:20:08,882 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 16 states have internal predecessors, (71), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 44 [2025-02-06 13:20:08,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:08,884 INFO L225 Difference]: With dead ends: 517 [2025-02-06 13:20:08,884 INFO L226 Difference]: Without dead ends: 402 [2025-02-06 13:20:08,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2025-02-06 13:20:08,886 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 942 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:08,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [942 Valid, 115 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 13:20:08,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2025-02-06 13:20:08,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 278. [2025-02-06 13:20:08,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 270 states have (on average 1.174074074074074) internal successors, (317), 274 states have internal predecessors, (317), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:08,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 321 transitions. [2025-02-06 13:20:08,927 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 321 transitions. Word has length 44 [2025-02-06 13:20:08,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:08,927 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 321 transitions. [2025-02-06 13:20:08,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.4375) internal successors, (71), 16 states have internal predecessors, (71), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:20:08,928 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 321 transitions. [2025-02-06 13:20:08,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-06 13:20:08,931 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:08,931 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:08,941 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 13:20:09,131 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,SelfDestructingSolverStorable9 [2025-02-06 13:20:09,132 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-06 13:20:09,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:09,132 INFO L85 PathProgramCache]: Analyzing trace with hash 665917522, now seen corresponding path program 1 times [2025-02-06 13:20:09,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:09,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730818814] [2025-02-06 13:20:09,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:09,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:09,147 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-06 13:20:09,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 13:20:09,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:09,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:09,242 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2025-02-06 13:20:09,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:09,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730818814] [2025-02-06 13:20:09,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730818814] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:09,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227055480] [2025-02-06 13:20:09,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:09,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:09,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:09,244 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:09,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 13:20:09,297 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-06 13:20:09,329 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 13:20:09,329 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:09,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:09,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 13:20:09,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:09,620 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-02-06 13:20:09,620 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:09,882 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2025-02-06 13:20:09,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227055480] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:09,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:09,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 14, 14] total 28 [2025-02-06 13:20:09,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964541505] [2025-02-06 13:20:09,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:09,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-02-06 13:20:09,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:09,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-06 13:20:09,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=318, Invalid=438, Unknown=0, NotChecked=0, Total=756 [2025-02-06 13:20:09,885 INFO L87 Difference]: Start difference. First operand 278 states and 321 transitions. Second operand has 28 states, 28 states have (on average 3.4642857142857144) internal successors, (97), 28 states have internal predecessors, (97), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:20:10,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:10,523 INFO L93 Difference]: Finished difference Result 780 states and 983 transitions. [2025-02-06 13:20:10,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-02-06 13:20:10,523 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.4642857142857144) internal successors, (97), 28 states have internal predecessors, (97), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2025-02-06 13:20:10,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:10,526 INFO L225 Difference]: With dead ends: 780 [2025-02-06 13:20:10,526 INFO L226 Difference]: Without dead ends: 543 [2025-02-06 13:20:10,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=990, Invalid=1662, Unknown=0, NotChecked=0, Total=2652 [2025-02-06 13:20:10,528 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 434 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:10,528 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 176 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:20:10,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2025-02-06 13:20:10,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 279. [2025-02-06 13:20:10,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 273 states have (on average 1.0622710622710623) internal successors, (290), 275 states have internal predecessors, (290), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 294 transitions. [2025-02-06 13:20:10,549 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 294 transitions. Word has length 67 [2025-02-06 13:20:10,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:10,549 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 294 transitions. [2025-02-06 13:20:10,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.4642857142857144) internal successors, (97), 28 states have internal predecessors, (97), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:20:10,549 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 294 transitions. [2025-02-06 13:20:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-06 13:20:10,551 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:10,551 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:10,559 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 13:20:10,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:10,752 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-06 13:20:10,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:10,752 INFO L85 PathProgramCache]: Analyzing trace with hash -784872931, now seen corresponding path program 2 times [2025-02-06 13:20:10,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:10,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749450295] [2025-02-06 13:20:10,752 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:10,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:10,776 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-02-06 13:20:10,779 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 108 statements. [2025-02-06 13:20:10,779 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:20:10,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2025-02-06 13:20:10,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:10,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749450295] [2025-02-06 13:20:10,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749450295] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:10,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007154207] [2025-02-06 13:20:10,815 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:20:10,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:10,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:10,818 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:10,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 13:20:10,884 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-02-06 13:20:10,892 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 108 statements. [2025-02-06 13:20:10,892 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:20:10,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:10,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:20:10,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2025-02-06 13:20:11,001 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2025-02-06 13:20:11,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007154207] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:11,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:11,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-06 13:20:11,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938507892] [2025-02-06 13:20:11,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:11,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:20:11,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:11,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:20:11,149 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:20:11,149 INFO L87 Difference]: Start difference. First operand 279 states and 294 transitions. Second operand has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:20:11,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:11,210 INFO L93 Difference]: Finished difference Result 279 states and 294 transitions. [2025-02-06 13:20:11,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:20:11,210 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 108 [2025-02-06 13:20:11,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:11,213 INFO L225 Difference]: With dead ends: 279 [2025-02-06 13:20:11,213 INFO L226 Difference]: Without dead ends: 229 [2025-02-06 13:20:11,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:20:11,214 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 33 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:11,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 56 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:20:11,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2025-02-06 13:20:11,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2025-02-06 13:20:11,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 225 states have (on average 1.0177777777777777) internal successors, (229), 225 states have internal predecessors, (229), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:20:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 233 transitions. [2025-02-06 13:20:11,231 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 233 transitions. Word has length 108 [2025-02-06 13:20:11,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:11,232 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 233 transitions. [2025-02-06 13:20:11,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.4) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:20:11,233 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 233 transitions. [2025-02-06 13:20:11,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2025-02-06 13:20:11,235 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:20:11,235 INFO L218 NwaCegarLoop]: trace histogram [69, 69, 69, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:11,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 13:20:11,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:11,436 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2025-02-06 13:20:11,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:20:11,436 INFO L85 PathProgramCache]: Analyzing trace with hash -347422147, now seen corresponding path program 1 times [2025-02-06 13:20:11,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:20:11,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529786313] [2025-02-06 13:20:11,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:11,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:20:11,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 232 statements into 1 equivalence classes. [2025-02-06 13:20:11,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 232 of 232 statements. [2025-02-06 13:20:11,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:11,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:11,830 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 0 proven. 3272 refuted. 0 times theorem prover too weak. 3989 trivial. 0 not checked. [2025-02-06 13:20:11,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:20:11,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529786313] [2025-02-06 13:20:11,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529786313] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:20:11,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746432325] [2025-02-06 13:20:11,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:20:11,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:11,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:20:11,834 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:20:11,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 13:20:11,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 232 statements into 1 equivalence classes. [2025-02-06 13:20:12,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 232 of 232 statements. [2025-02-06 13:20:12,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:20:12,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:20:12,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-06 13:20:12,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:20:12,749 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 3270 proven. 782 refuted. 0 times theorem prover too weak. 3209 trivial. 0 not checked. [2025-02-06 13:20:12,749 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:20:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 3270 proven. 782 refuted. 0 times theorem prover too weak. 3209 trivial. 0 not checked. [2025-02-06 13:20:13,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746432325] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:20:13,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:20:13,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 27, 27] total 54 [2025-02-06 13:20:13,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951875862] [2025-02-06 13:20:13,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:20:13,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-02-06 13:20:13,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:20:13,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-02-06 13:20:13,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1282, Invalid=1580, Unknown=0, NotChecked=0, Total=2862 [2025-02-06 13:20:13,467 INFO L87 Difference]: Start difference. First operand 229 states and 233 transitions. Second operand has 54 states, 54 states have (on average 3.2222222222222223) internal successors, (174), 54 states have internal predecessors, (174), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:20:15,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:20:15,057 INFO L93 Difference]: Finished difference Result 602 states and 684 transitions. [2025-02-06 13:20:15,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-02-06 13:20:15,058 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 3.2222222222222223) internal successors, (174), 54 states have internal predecessors, (174), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 232 [2025-02-06 13:20:15,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:20:15,058 INFO L225 Difference]: With dead ends: 602 [2025-02-06 13:20:15,059 INFO L226 Difference]: Without dead ends: 0 [2025-02-06 13:20:15,063 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 515 GetRequests, 413 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2074 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=3982, Invalid=6730, Unknown=0, NotChecked=0, Total=10712 [2025-02-06 13:20:15,064 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 83 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:20:15,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 57 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:20:15,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-06 13:20:15,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-06 13:20:15,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:20:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-06 13:20:15,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2025-02-06 13:20:15,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:20:15,066 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-06 13:20:15,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.2222222222222223) internal successors, (174), 54 states have internal predecessors, (174), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-02-06 13:20:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-06 13:20:15,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-06 13:20:15,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2025-02-06 13:20:15,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2025-02-06 13:20:15,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2025-02-06 13:20:15,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2025-02-06 13:20:15,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2025-02-06 13:20:15,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2025-02-06 13:20:15,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2025-02-06 13:20:15,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2025-02-06 13:20:15,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2025-02-06 13:20:15,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2025-02-06 13:20:15,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2025-02-06 13:20:15,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2025-02-06 13:20:15,080 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 13:20:15,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:20:15,274 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:20:15,276 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-06 13:20:18,860 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 13:20:18,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 01:20:18 BoogieIcfgContainer [2025-02-06 13:20:18,884 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 13:20:18,885 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 13:20:18,885 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 13:20:18,885 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 13:20:18,886 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:20:03" (3/4) ... [2025-02-06 13:20:18,888 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 13:20:18,893 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2025-02-06 13:20:18,902 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-02-06 13:20:18,903 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-06 13:20:18,903 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 13:20:18,903 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-06 13:20:18,994 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 13:20:18,995 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 13:20:18,995 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 13:20:18,996 INFO L158 Benchmark]: Toolchain (without parser) took 15814.21ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 114.0MB in the beginning and 276.6MB in the end (delta: -162.6MB). Peak memory consumption was 171.5MB. Max. memory is 16.1GB. [2025-02-06 13:20:18,996 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 226.5MB. Free memory was 148.7MB in the beginning and 148.4MB in the end (delta: 293.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 13:20:18,996 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.30ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 102.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 13:20:18,997 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.05ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 101.4MB in the end (delta: 984.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 13:20:18,997 INFO L158 Benchmark]: Boogie Preprocessor took 47.00ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 100.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 13:20:18,997 INFO L158 Benchmark]: IcfgBuilder took 359.55ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 85.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 13:20:18,998 INFO L158 Benchmark]: TraceAbstraction took 15006.28ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 85.2MB in the beginning and 284.7MB in the end (delta: -199.5MB). Peak memory consumption was 258.5MB. Max. memory is 16.1GB. [2025-02-06 13:20:18,998 INFO L158 Benchmark]: Witness Printer took 109.78ms. Allocated memory is still 478.2MB. Free memory was 284.7MB in the beginning and 276.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 13:20:19,000 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 226.5MB. Free memory was 148.7MB in the beginning and 148.4MB in the end (delta: 293.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.30ms. Allocated memory is still 142.6MB. Free memory was 113.5MB in the beginning and 102.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.05ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 101.4MB in the end (delta: 984.3kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.00ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 100.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 359.55ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 85.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 15006.28ms. Allocated memory was 142.6MB in the beginning and 478.2MB in the end (delta: 335.5MB). Free memory was 85.2MB in the beginning and 284.7MB in the end (delta: -199.5MB). Peak memory consumption was 258.5MB. Max. memory is 16.1GB. * Witness Printer took 109.78ms. Allocated memory is still 478.2MB. Free memory was 284.7MB in the beginning and 276.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 69]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 67]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 13, TraceHistogramMax: 69, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2068 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2068 mSDsluCounter, 1047 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 669 mSDsCounter, 300 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1174 IncrementalHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 300 mSolverCounterUnsat, 378 mSDtfsCounter, 1174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1253 GetRequests, 1015 SyntacticMatches, 0 SemanticMatches, 238 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3191 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=11, InterpolantAutomatonStates: 163, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 397 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1195 NumberOfCodeBlocks, 971 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 1692 ConstructedInterpolants, 0 QuantifiedInterpolants, 4358 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1801 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 29 InterpolantComputations, 6 PerfectInterpolantSequences, 19852/25136 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 47]: Location Invariant Derived location invariant: ((((((((i == 0) && (q <= 500)) && (s == 700)) && (j == 0)) && (n == 1500)) || ((((((i == 0) && (q <= 500)) && (j <= 1489)) && (1 <= j)) && (s == 700)) && (n == 1500))) || ((((((q <= 500) && (1 <= i)) && (i <= 499)) && (s == 700)) && (j == 0)) && (n == 1500))) || (((((((q <= 500) && (1 <= i)) && (j <= 1489)) && (1 <= j)) && (i <= 499)) && (s == 700)) && (n == 1500))) - InvariantResult [Line: 34]: Location Invariant Derived location invariant: ((((((((((m == 1000) && (q <= 500)) && (1 <= i)) && (i <= 999)) && (s == 700)) && (j == 0)) && (n == 1500)) || ((((((i == 0) && (m == 1000)) && (q <= 500)) && (s == 700)) && (j == 0)) && (n == 1500))) || (((((((i == 0) && (m == 1000)) && (q <= 500)) && (1 <= j)) && (j <= 2147483646)) && (s == 700)) && (n == 1500))) || ((((((((m == 1000) && (q <= 500)) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (j <= 2147483646)) && (s == 700)) && (n == 1500))) - InvariantResult [Line: 61]: Location Invariant Derived location invariant: ((((((q <= 500) && (1 <= i)) && (i <= 2147483646)) && (s == 700)) && (n == 1500)) || ((((i == 0) && (q <= 500)) && (s == 700)) && (n == 1500))) - InvariantResult [Line: 63]: Location Invariant Derived location invariant: ((((((((i == 0) && (q <= 500)) && (s == 700)) && (j == 0)) && (n == 1500)) || ((((((i == 0) && (q <= 500)) && (j <= 1489)) && (1 <= j)) && (s == 700)) && (n == 1500))) || ((((((q <= 500) && (1 <= i)) && (i <= 499)) && (s == 700)) && (j == 0)) && (n == 1500))) || (((((((q <= 500) && (1 <= i)) && (j <= 1489)) && (1 <= j)) && (i <= 499)) && (s == 700)) && (n == 1500))) - InvariantResult [Line: 45]: Location Invariant Derived location invariant: ((((((q <= 500) && (1 <= i)) && (i <= 2147483646)) && (s == 700)) && (n == 1500)) || ((((i == 0) && (q <= 500)) && (s == 700)) && (n == 1500))) - InvariantResult [Line: 32]: Location Invariant Derived location invariant: ((((((i == 0) && (m == 1000)) && (q <= 500)) && (s == 700)) && (n == 1500)) || (((((m == 1000) && (q <= 500)) && (1 <= i)) && (s == 700)) && (n == 1500))) RESULT: Ultimate proved your program to be correct! [2025-02-06 13:20:19,024 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE