./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.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 69ffbc0bd4f07a8cc2897410fc013fb815dd984602255263415f4f8a1a4c1714 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:11:27,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:11:27,818 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:11:27,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:11:27,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:11:27,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:11:27,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:11:27,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:11:27,847 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:11:27,848 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:11:27,848 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:11:27,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:11:27,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:11:27,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:11:27,849 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:11:27,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:11:27,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:11:27,850 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:11:27,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:11:27,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:11:27,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:11:27,850 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:11:27,850 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:11:27,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:11:27,851 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:11:27,851 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:11:27,851 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:11:27,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:11:27,851 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:11:27,851 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:11:27,851 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:11:27,851 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:11:27,851 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:11:27,851 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:11:27,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:11:27,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:11:27,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:11:27,853 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 -> 69ffbc0bd4f07a8cc2897410fc013fb815dd984602255263415f4f8a1a4c1714 [2025-01-10 02:11:28,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:11:28,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:11:28,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:11:28,161 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:11:28,161 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:11:28,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c [2025-01-10 02:11:29,374 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/68d051347/2f7e74bd724849c89819ca35fae648ba/FLAGa4f08dba9 [2025-01-10 02:11:29,633 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:11:29,633 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound10.c [2025-01-10 02:11:29,639 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/68d051347/2f7e74bd724849c89819ca35fae648ba/FLAGa4f08dba9 [2025-01-10 02:11:29,964 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/68d051347/2f7e74bd724849c89819ca35fae648ba [2025-01-10 02:11:29,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:11:29,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:11:29,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:11:29,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:11:29,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:11:29,975 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:11:29" (1/1) ... [2025-01-10 02:11:29,975 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eafaa32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:29, skipping insertion in model container [2025-01-10 02:11:29,975 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:11:29" (1/1) ... [2025-01-10 02:11:29,990 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:11:30,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:11:30,158 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:11:30,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:11:30,192 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:11:30,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30 WrapperNode [2025-01-10 02:11:30,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:11:30,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:11:30,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:11:30,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:11:30,200 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (1/1) ... [2025-01-10 02:11:30,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (1/1) ... [2025-01-10 02:11:30,222 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 81 [2025-01-10 02:11:30,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:11:30,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:11:30,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:11:30,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:11:30,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (1/1) ... [2025-01-10 02:11:30,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (1/1) ... [2025-01-10 02:11:30,233 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (1/1) ... [2025-01-10 02:11:30,253 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 02:11:30,253 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (1/1) ... [2025-01-10 02:11:30,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (1/1) ... [2025-01-10 02:11:30,256 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (1/1) ... [2025-01-10 02:11:30,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (1/1) ... [2025-01-10 02:11:30,263 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (1/1) ... [2025-01-10 02:11:30,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (1/1) ... [2025-01-10 02:11:30,264 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (1/1) ... [2025-01-10 02:11:30,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:11:30,270 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:11:30,270 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:11:30,271 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:11:30,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (1/1) ... [2025-01-10 02:11:30,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:11:30,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:30,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 02:11:30,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 02:11:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:11:30,336 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:11:30,337 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:11:30,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:11:30,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:11:30,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:11:30,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:11:30,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:11:30,389 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:11:30,391 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:11:30,692 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2025-01-10 02:11:30,693 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:11:30,705 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:11:30,705 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 02:11:30,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:11:30 BoogieIcfgContainer [2025-01-10 02:11:30,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:11:30,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:11:30,708 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:11:30,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:11:30,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:11:29" (1/3) ... [2025-01-10 02:11:30,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496fc6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:11:30, skipping insertion in model container [2025-01-10 02:11:30,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:11:30" (2/3) ... [2025-01-10 02:11:30,715 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496fc6ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:11:30, skipping insertion in model container [2025-01-10 02:11:30,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:11:30" (3/3) ... [2025-01-10 02:11:30,717 INFO L128 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound10.c [2025-01-10 02:11:30,731 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:11:30,733 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG geo3-ll_valuebound10.c that has 3 procedures, 85 locations, 1 initial locations, 1 loop locations, and 30 error locations. [2025-01-10 02:11:30,787 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:11:30,800 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;@2d684078, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:11:30,800 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2025-01-10 02:11:30,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 47 states have (on average 1.7234042553191489) internal successors, (81), 77 states have internal predecessors, (81), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:11:30,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-01-10 02:11:30,810 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:30,810 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:30,811 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:30,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:30,815 INFO L85 PathProgramCache]: Analyzing trace with hash 887052657, now seen corresponding path program 1 times [2025-01-10 02:11:30,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:30,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280868777] [2025-01-10 02:11:30,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:30,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:30,872 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 02:11:30,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 02:11:30,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:30,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:30,941 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:11:30,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:30,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280868777] [2025-01-10 02:11:30,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280868777] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:30,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247463579] [2025-01-10 02:11:30,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:30,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:30,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:30,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:30,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 02:11:30,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 02:11:31,008 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 02:11:31,008 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:31,010 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:31,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 02:11:31,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:31,026 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-10 02:11:31,027 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:11:31,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247463579] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:11:31,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:31,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 02:11:31,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223745551] [2025-01-10 02:11:31,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:11:31,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:11:31,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:31,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:11:31,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:11:31,050 INFO L87 Difference]: Start difference. First operand has 85 states, 47 states have (on average 1.7234042553191489) internal successors, (81), 77 states have internal predecessors, (81), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:11:31,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:31,073 INFO L93 Difference]: Finished difference Result 166 states and 182 transitions. [2025-01-10 02:11:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:11:31,075 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2025-01-10 02:11:31,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:31,080 INFO L225 Difference]: With dead ends: 166 [2025-01-10 02:11:31,080 INFO L226 Difference]: Without dead ends: 78 [2025-01-10 02:11:31,084 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:11:31,088 INFO L435 NwaCegarLoop]: 87 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, 87 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:31,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:11:31,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2025-01-10 02:11:31,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2025-01-10 02:11:31,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 42 states have (on average 1.7142857142857142) internal successors, (72), 71 states have internal predecessors, (72), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:11:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 80 transitions. [2025-01-10 02:11:31,127 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 80 transitions. Word has length 21 [2025-01-10 02:11:31,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:31,128 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 80 transitions. [2025-01-10 02:11:31,128 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, (3), 2 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-01-10 02:11:31,129 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 80 transitions. [2025-01-10 02:11:31,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-01-10 02:11:31,130 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:31,130 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:31,137 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 02:11:31,335 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 [2025-01-10 02:11:31,335 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:31,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:31,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1616375, now seen corresponding path program 1 times [2025-01-10 02:11:31,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:31,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527965223] [2025-01-10 02:11:31,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:31,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:31,342 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 02:11:31,366 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 02:11:31,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:31,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:31,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1230652706] [2025-01-10 02:11:31,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:31,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:31,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:31,371 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:31,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 02:11:31,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-10 02:11:31,415 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-10 02:11:31,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:31,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:31,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-01-10 02:11:31,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:31,583 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:11:31,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:31,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:31,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527965223] [2025-01-10 02:11:31,719 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:31,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230652706] [2025-01-10 02:11:31,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230652706] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:31,719 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:31,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-01-10 02:11:31,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555237919] [2025-01-10 02:11:31,719 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:31,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-01-10 02:11:31,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:31,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-10 02:11:31,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:11:31,722 INFO L87 Difference]: Start difference. First operand 78 states and 80 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:11:31,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:31,928 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2025-01-10 02:11:31,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:11:31,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2025-01-10 02:11:31,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:31,930 INFO L225 Difference]: With dead ends: 78 [2025-01-10 02:11:31,932 INFO L226 Difference]: Without dead ends: 76 [2025-01-10 02:11:31,933 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:11:31,933 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 74 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:31,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 85 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:11:31,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2025-01-10 02:11:31,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2025-01-10 02:11:31,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 42 states have (on average 1.6666666666666667) internal successors, (70), 69 states have internal predecessors, (70), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:11:31,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 78 transitions. [2025-01-10 02:11:31,947 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 78 transitions. Word has length 21 [2025-01-10 02:11:31,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:31,948 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 78 transitions. [2025-01-10 02:11:31,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:11:31,948 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2025-01-10 02:11:31,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-01-10 02:11:31,949 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:31,949 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:31,957 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 02:11:32,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:32,153 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:32,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:32,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1553337724, now seen corresponding path program 1 times [2025-01-10 02:11:32,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:32,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765604110] [2025-01-10 02:11:32,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:32,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:32,160 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 02:11:32,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 02:11:32,176 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:32,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:32,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2012672828] [2025-01-10 02:11:32,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:32,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:32,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:32,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:32,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 02:11:32,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-10 02:11:32,222 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-10 02:11:32,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:32,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:32,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-10 02:11:32,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:32,400 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:11:32,401 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:32,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:32,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765604110] [2025-01-10 02:11:32,474 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:32,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012672828] [2025-01-10 02:11:32,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012672828] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:32,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:32,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 02:11:32,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569314220] [2025-01-10 02:11:32,475 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:32,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:11:32,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:32,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:11:32,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:11:32,477 INFO L87 Difference]: Start difference. First operand 76 states and 78 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:11:32,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:32,698 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2025-01-10 02:11:32,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:11:32,698 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 23 [2025-01-10 02:11:32,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:32,699 INFO L225 Difference]: With dead ends: 76 [2025-01-10 02:11:32,699 INFO L226 Difference]: Without dead ends: 72 [2025-01-10 02:11:32,700 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:11:32,700 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 72 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:32,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 107 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:11:32,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2025-01-10 02:11:32,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2025-01-10 02:11:32,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 42 states have (on average 1.5714285714285714) internal successors, (66), 65 states have internal predecessors, (66), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:11:32,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2025-01-10 02:11:32,706 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 23 [2025-01-10 02:11:32,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:32,706 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2025-01-10 02:11:32,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:11:32,706 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2025-01-10 02:11:32,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-01-10 02:11:32,707 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:32,707 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:32,714 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 02:11:32,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:32,908 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:32,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:32,908 INFO L85 PathProgramCache]: Analyzing trace with hash 908829237, now seen corresponding path program 1 times [2025-01-10 02:11:32,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:32,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672492325] [2025-01-10 02:11:32,908 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:32,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:32,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-10 02:11:32,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-10 02:11:32,928 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:32,928 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:32,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1211673140] [2025-01-10 02:11:32,929 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:32,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:32,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:32,932 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:32,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 02:11:32,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-01-10 02:11:32,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-01-10 02:11:32,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:32,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:32,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:11:32,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:33,064 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:11:33,065 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:33,256 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:11:33,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:33,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672492325] [2025-01-10 02:11:33,257 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:33,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211673140] [2025-01-10 02:11:33,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211673140] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:33,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:33,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-01-10 02:11:33,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417422720] [2025-01-10 02:11:33,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:11:33,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:11:33,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:33,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:11:33,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:11:33,258 INFO L87 Difference]: Start difference. First operand 72 states and 74 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:11:33,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:33,700 INFO L93 Difference]: Finished difference Result 107 states and 125 transitions. [2025-01-10 02:11:33,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:11:33,701 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2025-01-10 02:11:33,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:33,703 INFO L225 Difference]: With dead ends: 107 [2025-01-10 02:11:33,703 INFO L226 Difference]: Without dead ends: 104 [2025-01-10 02:11:33,703 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:11:33,705 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 94 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:33,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 87 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:11:33,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-01-10 02:11:33,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 72. [2025-01-10 02:11:33,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 44 states have (on average 1.5) internal successors, (66), 65 states have internal predecessors, (66), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:11:33,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2025-01-10 02:11:33,721 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 24 [2025-01-10 02:11:33,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:33,721 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2025-01-10 02:11:33,721 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:11:33,721 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2025-01-10 02:11:33,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-10 02:11:33,722 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:33,722 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:33,729 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-10 02:11:33,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:33,922 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:33,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:33,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1891064674, now seen corresponding path program 1 times [2025-01-10 02:11:33,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:33,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182845502] [2025-01-10 02:11:33,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:33,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:33,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 02:11:33,942 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 02:11:33,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:33,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:33,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1868676010] [2025-01-10 02:11:33,944 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:33,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:33,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:33,948 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:33,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 02:11:33,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 02:11:33,988 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 02:11:33,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:33,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:33,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 02:11:33,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:34,132 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:11:34,133 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:34,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:34,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182845502] [2025-01-10 02:11:34,293 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:34,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868676010] [2025-01-10 02:11:34,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868676010] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:34,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:34,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 02:11:34,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987025982] [2025-01-10 02:11:34,294 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:34,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:11:34,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:34,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:11:34,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:11:34,295 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:11:34,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:34,561 INFO L93 Difference]: Finished difference Result 113 states and 120 transitions. [2025-01-10 02:11:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:11:34,562 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 25 [2025-01-10 02:11:34,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:34,563 INFO L225 Difference]: With dead ends: 113 [2025-01-10 02:11:34,565 INFO L226 Difference]: Without dead ends: 104 [2025-01-10 02:11:34,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2025-01-10 02:11:34,566 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 167 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:34,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 101 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:11:34,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-01-10 02:11:34,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 94. [2025-01-10 02:11:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 86 states have internal predecessors, (94), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:11:34,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2025-01-10 02:11:34,577 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 104 transitions. Word has length 25 [2025-01-10 02:11:34,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:34,577 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 104 transitions. [2025-01-10 02:11:34,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:11:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2025-01-10 02:11:34,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-01-10 02:11:34,578 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:34,578 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:34,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-10 02:11:34,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:34,780 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:34,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:34,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1155394846, now seen corresponding path program 1 times [2025-01-10 02:11:34,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:34,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15351212] [2025-01-10 02:11:34,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:34,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:34,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:11:34,795 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:11:34,795 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:34,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:34,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [510858807] [2025-01-10 02:11:34,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:34,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:34,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:34,798 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:34,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 02:11:34,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-10 02:11:34,831 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-10 02:11:34,831 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:34,831 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:34,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:11:34,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:11:34,971 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:11:34,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:34,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15351212] [2025-01-10 02:11:34,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:34,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510858807] [2025-01-10 02:11:34,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510858807] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:11:34,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:11:34,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:11:34,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634399596] [2025-01-10 02:11:34,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:11:34,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:11:34,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:34,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:11:34,972 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:11:34,972 INFO L87 Difference]: Start difference. First operand 94 states and 104 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:11:35,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:35,121 INFO L93 Difference]: Finished difference Result 104 states and 115 transitions. [2025-01-10 02:11:35,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:11:35,121 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2025-01-10 02:11:35,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:35,122 INFO L225 Difference]: With dead ends: 104 [2025-01-10 02:11:35,122 INFO L226 Difference]: Without dead ends: 102 [2025-01-10 02:11:35,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:11:35,123 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 55 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:35,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 137 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:11:35,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2025-01-10 02:11:35,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 95. [2025-01-10 02:11:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 87 states have internal predecessors, (94), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:11:35,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 104 transitions. [2025-01-10 02:11:35,131 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 104 transitions. Word has length 29 [2025-01-10 02:11:35,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:35,131 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 104 transitions. [2025-01-10 02:11:35,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:11:35,131 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2025-01-10 02:11:35,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-01-10 02:11:35,132 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:35,132 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:35,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 02:11:35,332 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,SelfDestructingSolverStorable5 [2025-01-10 02:11:35,333 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:35,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:35,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1457501797, now seen corresponding path program 1 times [2025-01-10 02:11:35,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:35,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114438533] [2025-01-10 02:11:35,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:35,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:35,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:11:35,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:11:35,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:35,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:35,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2071701094] [2025-01-10 02:11:35,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:35,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:35,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:35,360 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:35,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 02:11:35,383 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-10 02:11:35,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-10 02:11:35,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:35,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:35,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 02:11:35,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:36,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:11:36,657 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:11:36,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:36,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114438533] [2025-01-10 02:11:36,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:36,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071701094] [2025-01-10 02:11:36,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071701094] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:11:36,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:11:36,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:11:36,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797030968] [2025-01-10 02:11:36,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:11:36,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:11:36,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:36,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:11:36,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-01-10 02:11:36,659 INFO L87 Difference]: Start difference. First operand 95 states and 104 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:11:40,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:11:41,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:11:41,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:41,993 INFO L93 Difference]: Finished difference Result 104 states and 113 transitions. [2025-01-10 02:11:41,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:11:41,993 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2025-01-10 02:11:41,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:41,994 INFO L225 Difference]: With dead ends: 104 [2025-01-10 02:11:41,994 INFO L226 Difference]: Without dead ends: 102 [2025-01-10 02:11:41,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2025-01-10 02:11:41,995 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 46 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:41,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 106 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 2 Unknown, 0 Unchecked, 5.3s Time] [2025-01-10 02:11:41,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2025-01-10 02:11:42,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 96. [2025-01-10 02:11:42,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 67 states have (on average 1.4029850746268657) internal successors, (94), 88 states have internal predecessors, (94), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:11:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 104 transitions. [2025-01-10 02:11:42,008 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 104 transitions. Word has length 30 [2025-01-10 02:11:42,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:42,009 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 104 transitions. [2025-01-10 02:11:42,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:11:42,009 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 104 transitions. [2025-01-10 02:11:42,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-01-10 02:11:42,009 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:42,009 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:42,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-10 02:11:42,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:42,210 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:42,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:42,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2062084612, now seen corresponding path program 1 times [2025-01-10 02:11:42,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:42,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167201366] [2025-01-10 02:11:42,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:42,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:42,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:11:42,225 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:11:42,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:42,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:42,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1561524375] [2025-01-10 02:11:42,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:42,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:42,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:42,229 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:42,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 02:11:42,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-01-10 02:11:42,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-01-10 02:11:42,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:42,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:42,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 02:11:42,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:42,547 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:11:42,547 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:42,653 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:11:42,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:42,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167201366] [2025-01-10 02:11:42,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:42,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561524375] [2025-01-10 02:11:42,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561524375] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:42,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:42,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2025-01-10 02:11:42,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187801274] [2025-01-10 02:11:42,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:11:42,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:11:42,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:42,655 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:11:42,655 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:11:42,656 INFO L87 Difference]: Start difference. First operand 96 states and 104 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:11:42,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:42,909 INFO L93 Difference]: Finished difference Result 101 states and 107 transitions. [2025-01-10 02:11:42,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:11:42,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2025-01-10 02:11:42,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:42,910 INFO L225 Difference]: With dead ends: 101 [2025-01-10 02:11:42,910 INFO L226 Difference]: Without dead ends: 99 [2025-01-10 02:11:42,911 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:11:42,911 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 68 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:42,912 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 73 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:11:42,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2025-01-10 02:11:42,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2025-01-10 02:11:42,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 67 states have (on average 1.373134328358209) internal successors, (92), 87 states have internal predecessors, (92), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:11:42,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 102 transitions. [2025-01-10 02:11:42,925 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 102 transitions. Word has length 31 [2025-01-10 02:11:42,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:42,925 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 102 transitions. [2025-01-10 02:11:42,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-01-10 02:11:42,925 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 102 transitions. [2025-01-10 02:11:42,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 02:11:42,926 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:42,926 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:42,936 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-10 02:11:43,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:43,130 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:43,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:43,130 INFO L85 PathProgramCache]: Analyzing trace with hash -499886403, now seen corresponding path program 1 times [2025-01-10 02:11:43,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:43,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050857790] [2025-01-10 02:11:43,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:43,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:43,134 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:11:43,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:11:43,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:43,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:43,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [976474763] [2025-01-10 02:11:43,148 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:43,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:43,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:43,152 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:43,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 02:11:43,174 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 02:11:43,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 02:11:43,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:43,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:43,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-10 02:11:43,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:43,505 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:11:43,505 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:43,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:43,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050857790] [2025-01-10 02:11:43,811 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:43,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976474763] [2025-01-10 02:11:43,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976474763] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:43,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:43,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 02:11:43,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989904348] [2025-01-10 02:11:43,812 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:43,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:11:43,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:43,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:11:43,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:11:43,813 INFO L87 Difference]: Start difference. First operand 95 states and 102 transitions. Second operand has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:11:44,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:44,062 INFO L93 Difference]: Finished difference Result 105 states and 108 transitions. [2025-01-10 02:11:44,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-10 02:11:44,063 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 32 [2025-01-10 02:11:44,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:44,064 INFO L225 Difference]: With dead ends: 105 [2025-01-10 02:11:44,064 INFO L226 Difference]: Without dead ends: 91 [2025-01-10 02:11:44,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:11:44,065 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 95 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:44,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 100 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:11:44,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2025-01-10 02:11:44,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2025-01-10 02:11:44,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 61 states have (on average 1.3770491803278688) internal successors, (84), 81 states have internal predecessors, (84), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:11:44,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 94 transitions. [2025-01-10 02:11:44,071 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 94 transitions. Word has length 32 [2025-01-10 02:11:44,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:44,072 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 94 transitions. [2025-01-10 02:11:44,072 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.875) internal successors, (23), 9 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 02:11:44,072 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 94 transitions. [2025-01-10 02:11:44,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-01-10 02:11:44,074 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:44,074 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:44,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 02:11:44,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:44,278 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:44,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:44,279 INFO L85 PathProgramCache]: Analyzing trace with hash -2072212604, now seen corresponding path program 1 times [2025-01-10 02:11:44,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:44,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908648888] [2025-01-10 02:11:44,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:44,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:44,282 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-01-10 02:11:44,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-01-10 02:11:44,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:44,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:11:44,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:44,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908648888] [2025-01-10 02:11:44,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908648888] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:11:44,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:11:44,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 02:11:44,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657096617] [2025-01-10 02:11:44,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:11:44,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 02:11:44,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:44,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 02:11:44,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:11:44,384 INFO L87 Difference]: Start difference. First operand 89 states and 94 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2025-01-10 02:11:44,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:44,399 INFO L93 Difference]: Finished difference Result 91 states and 94 transitions. [2025-01-10 02:11:44,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 02:11:44,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 39 [2025-01-10 02:11:44,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:44,401 INFO L225 Difference]: With dead ends: 91 [2025-01-10 02:11:44,401 INFO L226 Difference]: Without dead ends: 89 [2025-01-10 02:11:44,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 02:11:44,402 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 1 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:44,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 129 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:11:44,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2025-01-10 02:11:44,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2025-01-10 02:11:44,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 81 states have internal predecessors, (82), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:11:44,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 92 transitions. [2025-01-10 02:11:44,409 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 92 transitions. Word has length 39 [2025-01-10 02:11:44,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:44,409 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 92 transitions. [2025-01-10 02:11:44,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2025-01-10 02:11:44,409 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 92 transitions. [2025-01-10 02:11:44,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-01-10 02:11:44,410 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:44,410 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:44,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-01-10 02:11:44,410 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:44,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:44,410 INFO L85 PathProgramCache]: Analyzing trace with hash 773033871, now seen corresponding path program 1 times [2025-01-10 02:11:44,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:44,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8705180] [2025-01-10 02:11:44,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:44,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:44,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 02:11:44,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 02:11:44,429 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:44,429 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:44,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1096566297] [2025-01-10 02:11:44,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:44,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:44,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:44,433 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:44,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 02:11:44,457 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-01-10 02:11:44,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-01-10 02:11:44,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:44,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:44,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 02:11:44,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:11:44,794 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:45,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:45,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8705180] [2025-01-10 02:11:45,028 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:45,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1096566297] [2025-01-10 02:11:45,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1096566297] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:45,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:45,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-01-10 02:11:45,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693184423] [2025-01-10 02:11:45,028 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:45,029 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:11:45,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:45,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:11:45,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:11:45,029 INFO L87 Difference]: Start difference. First operand 89 states and 92 transitions. Second operand has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:11:45,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:45,378 INFO L93 Difference]: Finished difference Result 125 states and 140 transitions. [2025-01-10 02:11:45,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:11:45,379 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 48 [2025-01-10 02:11:45,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:45,380 INFO L225 Difference]: With dead ends: 125 [2025-01-10 02:11:45,380 INFO L226 Difference]: Without dead ends: 123 [2025-01-10 02:11:45,381 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:11:45,381 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 169 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:45,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 126 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:11:45,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2025-01-10 02:11:45,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 107. [2025-01-10 02:11:45,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 78 states have (on average 1.4102564102564104) internal successors, (110), 98 states have internal predecessors, (110), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:11:45,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 122 transitions. [2025-01-10 02:11:45,394 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 122 transitions. Word has length 48 [2025-01-10 02:11:45,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:45,394 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 122 transitions. [2025-01-10 02:11:45,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.285714285714286) internal successors, (37), 8 states have internal predecessors, (37), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:11:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2025-01-10 02:11:45,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-01-10 02:11:45,395 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:45,395 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:45,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-10 02:11:45,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:45,596 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:45,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:45,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1805753724, now seen corresponding path program 1 times [2025-01-10 02:11:45,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:45,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035176384] [2025-01-10 02:11:45,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:45,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:45,601 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:11:45,620 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:11:45,620 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:45,620 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:45,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [919779265] [2025-01-10 02:11:45,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:45,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:45,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:45,630 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:45,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 02:11:45,653 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-10 02:11:45,667 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-10 02:11:45,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:45,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:45,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:11:45,669 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:11:45,803 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:45,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:45,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035176384] [2025-01-10 02:11:45,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:45,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919779265] [2025-01-10 02:11:45,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919779265] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:45,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:45,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-01-10 02:11:45,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171679500] [2025-01-10 02:11:45,980 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:45,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:11:45,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:45,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:11:45,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:11:45,982 INFO L87 Difference]: Start difference. First operand 107 states and 122 transitions. Second operand has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:11:46,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:46,137 INFO L93 Difference]: Finished difference Result 107 states and 122 transitions. [2025-01-10 02:11:46,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:11:46,137 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 49 [2025-01-10 02:11:46,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:46,138 INFO L225 Difference]: With dead ends: 107 [2025-01-10 02:11:46,138 INFO L226 Difference]: Without dead ends: 105 [2025-01-10 02:11:46,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-01-10 02:11:46,139 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 30 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:46,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 135 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:11:46,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-01-10 02:11:46,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2025-01-10 02:11:46,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 78 states have (on average 1.3717948717948718) internal successors, (107), 96 states have internal predecessors, (107), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:11:46,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 119 transitions. [2025-01-10 02:11:46,145 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 119 transitions. Word has length 49 [2025-01-10 02:11:46,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:46,146 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 119 transitions. [2025-01-10 02:11:46,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.333333333333333) internal successors, (38), 7 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:11:46,146 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 119 transitions. [2025-01-10 02:11:46,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-01-10 02:11:46,146 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:46,147 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:46,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 02:11:46,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-01-10 02:11:46,347 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:46,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:46,348 INFO L85 PathProgramCache]: Analyzing trace with hash -143790543, now seen corresponding path program 1 times [2025-01-10 02:11:46,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:46,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110285799] [2025-01-10 02:11:46,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:46,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:46,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 02:11:46,361 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 02:11:46,362 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:46,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:46,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1550422987] [2025-01-10 02:11:46,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:46,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:46,364 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:46,366 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:46,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 02:11:46,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-01-10 02:11:46,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-01-10 02:11:46,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:46,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:46,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-10 02:11:46,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:46,967 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:11:46,967 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:47,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:47,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110285799] [2025-01-10 02:11:47,183 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:47,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550422987] [2025-01-10 02:11:47,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550422987] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:47,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:47,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 02:11:47,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983763842] [2025-01-10 02:11:47,184 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:47,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 02:11:47,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:47,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 02:11:47,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:11:47,185 INFO L87 Difference]: Start difference. First operand 105 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.25) internal successors, (39), 13 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:11:47,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:47,841 INFO L93 Difference]: Finished difference Result 105 states and 119 transitions. [2025-01-10 02:11:47,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 02:11:47,842 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.25) internal successors, (39), 13 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 50 [2025-01-10 02:11:47,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:47,843 INFO L225 Difference]: With dead ends: 105 [2025-01-10 02:11:47,843 INFO L226 Difference]: Without dead ends: 99 [2025-01-10 02:11:47,843 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2025-01-10 02:11:47,844 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 149 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:47,844 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 132 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-01-10 02:11:47,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2025-01-10 02:11:47,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2025-01-10 02:11:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 78 states have (on average 1.2564102564102564) internal successors, (98), 90 states have internal predecessors, (98), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:11:47,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 110 transitions. [2025-01-10 02:11:47,851 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 110 transitions. Word has length 50 [2025-01-10 02:11:47,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:47,851 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 110 transitions. [2025-01-10 02:11:47,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.25) internal successors, (39), 13 states have internal predecessors, (39), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:11:47,851 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 110 transitions. [2025-01-10 02:11:47,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2025-01-10 02:11:47,852 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:47,852 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:47,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-10 02:11:48,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:48,057 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:48,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:48,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1581617720, now seen corresponding path program 1 times [2025-01-10 02:11:48,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:48,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897734972] [2025-01-10 02:11:48,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:48,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:48,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:11:48,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:11:48,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:48,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:48,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1319680092] [2025-01-10 02:11:48,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:48,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:48,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:48,088 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:48,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 02:11:48,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 53 statements into 1 equivalence classes. [2025-01-10 02:11:48,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 53 of 53 statements. [2025-01-10 02:11:48,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:48,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:48,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-01-10 02:11:48,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:11:48,608 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:48,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:48,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897734972] [2025-01-10 02:11:48,726 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:48,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319680092] [2025-01-10 02:11:48,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319680092] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:48,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:48,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-01-10 02:11:48,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311043517] [2025-01-10 02:11:48,726 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:48,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:11:48,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:48,727 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:11:48,727 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:11:48,727 INFO L87 Difference]: Start difference. First operand 99 states and 110 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:11:48,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:48,966 INFO L93 Difference]: Finished difference Result 99 states and 110 transitions. [2025-01-10 02:11:48,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:11:48,966 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 53 [2025-01-10 02:11:48,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:48,967 INFO L225 Difference]: With dead ends: 99 [2025-01-10 02:11:48,967 INFO L226 Difference]: Without dead ends: 96 [2025-01-10 02:11:48,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:11:48,968 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 98 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:48,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 96 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:11:48,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2025-01-10 02:11:48,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2025-01-10 02:11:48,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 78 states have (on average 1.205128205128205) internal successors, (94), 87 states have internal predecessors, (94), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:11:48,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2025-01-10 02:11:48,975 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 53 [2025-01-10 02:11:48,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:48,975 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2025-01-10 02:11:48,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 9 states have internal predecessors, (42), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:11:48,975 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2025-01-10 02:11:48,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-01-10 02:11:48,976 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:48,976 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:48,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-10 02:11:49,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:49,177 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:49,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:49,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1785509003, now seen corresponding path program 1 times [2025-01-10 02:11:49,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:49,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256979809] [2025-01-10 02:11:49,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:49,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:49,181 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 02:11:49,194 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 02:11:49,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:49,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:49,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1357932476] [2025-01-10 02:11:49,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:49,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:49,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:49,201 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:49,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-10 02:11:49,228 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-01-10 02:11:49,243 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-01-10 02:11:49,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:49,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:49,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-01-10 02:11:49,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:49,719 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:11:49,719 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:50,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:50,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256979809] [2025-01-10 02:11:50,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:50,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357932476] [2025-01-10 02:11:50,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357932476] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:50,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:50,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-01-10 02:11:50,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109283495] [2025-01-10 02:11:50,509 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:50,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-01-10 02:11:50,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:50,509 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-01-10 02:11:50,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:11:50,510 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:11:50,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:50,864 INFO L93 Difference]: Finished difference Result 115 states and 122 transitions. [2025-01-10 02:11:50,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 02:11:50,865 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 54 [2025-01-10 02:11:50,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:50,865 INFO L225 Difference]: With dead ends: 115 [2025-01-10 02:11:50,865 INFO L226 Difference]: Without dead ends: 112 [2025-01-10 02:11:50,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=370, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:11:50,866 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 109 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 432 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:50,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 151 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 432 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:11:50,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-01-10 02:11:50,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 106. [2025-01-10 02:11:50,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 88 states have (on average 1.1704545454545454) internal successors, (103), 97 states have internal predecessors, (103), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:11:50,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 115 transitions. [2025-01-10 02:11:50,874 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 115 transitions. Word has length 54 [2025-01-10 02:11:50,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:50,874 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 115 transitions. [2025-01-10 02:11:50,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.909090909090909) internal successors, (43), 12 states have internal predecessors, (43), 4 states have call successors, (4), 1 states have call predecessors, (4), 3 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2025-01-10 02:11:50,875 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 115 transitions. [2025-01-10 02:11:50,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 02:11:50,875 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:50,875 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:50,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-10 02:11:51,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-01-10 02:11:51,076 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:51,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:51,077 INFO L85 PathProgramCache]: Analyzing trace with hash 483795818, now seen corresponding path program 1 times [2025-01-10 02:11:51,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:51,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797534719] [2025-01-10 02:11:51,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:51,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:51,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 02:11:51,088 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 02:11:51,089 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:51,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:51,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [597082217] [2025-01-10 02:11:51,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:51,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:51,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:51,092 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:51,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 02:11:51,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 02:11:51,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 02:11:51,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:51,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:51,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 02:11:51,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:51,470 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:11:51,470 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:51,692 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:11:51,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:51,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797534719] [2025-01-10 02:11:51,692 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:51,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597082217] [2025-01-10 02:11:51,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597082217] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:51,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:51,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2025-01-10 02:11:51,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873371061] [2025-01-10 02:11:51,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:11:51,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:11:51,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:51,694 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:11:51,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:11:51,694 INFO L87 Difference]: Start difference. First operand 106 states and 115 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:11:51,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:51,914 INFO L93 Difference]: Finished difference Result 106 states and 115 transitions. [2025-01-10 02:11:51,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:11:51,915 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 55 [2025-01-10 02:11:51,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:51,915 INFO L225 Difference]: With dead ends: 106 [2025-01-10 02:11:51,915 INFO L226 Difference]: Without dead ends: 105 [2025-01-10 02:11:51,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:11:51,916 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 31 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:51,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 113 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:11:51,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-01-10 02:11:51,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2025-01-10 02:11:51,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 88 states have (on average 1.1477272727272727) internal successors, (101), 96 states have internal predecessors, (101), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:11:51,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 113 transitions. [2025-01-10 02:11:51,923 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 113 transitions. Word has length 55 [2025-01-10 02:11:51,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:51,923 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 113 transitions. [2025-01-10 02:11:51,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:11:51,923 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 113 transitions. [2025-01-10 02:11:51,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-01-10 02:11:51,923 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:51,924 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:51,929 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-10 02:11:52,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-10 02:11:52,124 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:52,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:52,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2112768535, now seen corresponding path program 1 times [2025-01-10 02:11:52,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:52,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961642226] [2025-01-10 02:11:52,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:52,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:52,128 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-10 02:11:52,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-10 02:11:52,135 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:52,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:52,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1908471137] [2025-01-10 02:11:52,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:52,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:52,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:52,138 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:52,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 02:11:52,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-10 02:11:52,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-10 02:11:52,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:52,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:52,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-01-10 02:11:52,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 02:11:52,534 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:52,850 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 02:11:52,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:52,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961642226] [2025-01-10 02:11:52,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:52,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908471137] [2025-01-10 02:11:52,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908471137] provided 1 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:52,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:52,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2025-01-10 02:11:52,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748558260] [2025-01-10 02:11:52,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:11:52,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:11:52,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:52,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:11:52,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:11:52,852 INFO L87 Difference]: Start difference. First operand 105 states and 113 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:11:53,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:53,216 INFO L93 Difference]: Finished difference Result 105 states and 113 transitions. [2025-01-10 02:11:53,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:11:53,216 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 56 [2025-01-10 02:11:53,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:53,217 INFO L225 Difference]: With dead ends: 105 [2025-01-10 02:11:53,217 INFO L226 Difference]: Without dead ends: 93 [2025-01-10 02:11:53,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2025-01-10 02:11:53,218 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 30 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:53,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 147 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:11:53,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2025-01-10 02:11:53,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2025-01-10 02:11:53,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 78 states have (on average 1.1153846153846154) internal successors, (87), 84 states have internal predecessors, (87), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:11:53,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 99 transitions. [2025-01-10 02:11:53,222 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 99 transitions. Word has length 56 [2025-01-10 02:11:53,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:53,222 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 99 transitions. [2025-01-10 02:11:53,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:11:53,223 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 99 transitions. [2025-01-10 02:11:53,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-01-10 02:11:53,223 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:53,223 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:53,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-10 02:11:53,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 02:11:53,424 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:53,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:53,424 INFO L85 PathProgramCache]: Analyzing trace with hash 962920170, now seen corresponding path program 1 times [2025-01-10 02:11:53,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:53,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326108968] [2025-01-10 02:11:53,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:53,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:53,428 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-10 02:11:53,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-10 02:11:53,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:53,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:53,520 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:11:53,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:53,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326108968] [2025-01-10 02:11:53,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326108968] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:53,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434997436] [2025-01-10 02:11:53,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:53,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:53,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:53,523 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:53,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 02:11:53,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-01-10 02:11:53,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-01-10 02:11:53,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:53,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:53,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:11:53,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:11:53,602 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:11:53,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434997436] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:11:53,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:53,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 02:11:53,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332703371] [2025-01-10 02:11:53,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:11:53,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:11:53,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:53,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:11:53,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:11:53,603 INFO L87 Difference]: Start difference. First operand 93 states and 99 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-01-10 02:11:53,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:53,618 INFO L93 Difference]: Finished difference Result 93 states and 99 transitions. [2025-01-10 02:11:53,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:11:53,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 63 [2025-01-10 02:11:53,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:53,619 INFO L225 Difference]: With dead ends: 93 [2025-01-10 02:11:53,619 INFO L226 Difference]: Without dead ends: 92 [2025-01-10 02:11:53,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:11:53,619 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 9 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:53,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 98 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:11:53,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-01-10 02:11:53,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2025-01-10 02:11:53,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 78 states have (on average 1.0897435897435896) internal successors, (85), 83 states have internal predecessors, (85), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:11:53,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 97 transitions. [2025-01-10 02:11:53,626 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 97 transitions. Word has length 63 [2025-01-10 02:11:53,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:53,626 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 97 transitions. [2025-01-10 02:11:53,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2025-01-10 02:11:53,627 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2025-01-10 02:11:53,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-01-10 02:11:53,627 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:53,627 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:53,633 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-10 02:11:53,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-10 02:11:53,828 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:53,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:53,828 INFO L85 PathProgramCache]: Analyzing trace with hash -214245727, now seen corresponding path program 1 times [2025-01-10 02:11:53,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:53,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870126308] [2025-01-10 02:11:53,828 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:53,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:53,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 02:11:53,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 02:11:53,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:53,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:11:53,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:53,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870126308] [2025-01-10 02:11:53,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870126308] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:53,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491810485] [2025-01-10 02:11:53,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:11:53,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:53,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:53,910 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:53,912 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-10 02:11:53,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-01-10 02:11:53,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-01-10 02:11:53,947 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:11:53,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:53,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 02:11:53,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:53,989 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:11:53,989 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:54,052 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 02:11:54,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491810485] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:11:54,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:11:54,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-10 02:11:54,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482751067] [2025-01-10 02:11:54,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:54,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:11:54,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:54,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:11:54,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:11:54,054 INFO L87 Difference]: Start difference. First operand 92 states and 97 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-01-10 02:11:54,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:54,094 INFO L93 Difference]: Finished difference Result 133 states and 143 transitions. [2025-01-10 02:11:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:11:54,094 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 64 [2025-01-10 02:11:54,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:54,095 INFO L225 Difference]: With dead ends: 133 [2025-01-10 02:11:54,095 INFO L226 Difference]: Without dead ends: 132 [2025-01-10 02:11:54,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:11:54,096 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 12 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:54,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 175 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:11:54,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-01-10 02:11:54,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 126. [2025-01-10 02:11:54,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.1272727272727272) internal successors, (124), 115 states have internal predecessors, (124), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:11:54,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 140 transitions. [2025-01-10 02:11:54,108 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 140 transitions. Word has length 64 [2025-01-10 02:11:54,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:54,108 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 140 transitions. [2025-01-10 02:11:54,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-01-10 02:11:54,108 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 140 transitions. [2025-01-10 02:11:54,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-10 02:11:54,109 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:54,109 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:54,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-01-10 02:11:54,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:54,310 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:54,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:54,310 INFO L85 PathProgramCache]: Analyzing trace with hash -784363799, now seen corresponding path program 2 times [2025-01-10 02:11:54,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:54,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57471224] [2025-01-10 02:11:54,310 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:11:54,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:54,314 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 72 statements into 2 equivalence classes. [2025-01-10 02:11:54,324 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 02:11:54,324 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:11:54,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:54,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1298339377] [2025-01-10 02:11:54,325 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:11:54,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:54,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:54,329 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:54,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-10 02:11:54,355 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 72 statements into 2 equivalence classes. [2025-01-10 02:11:54,389 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 02:11:54,389 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:11:54,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:54,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-01-10 02:11:54,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:54,939 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-10 02:11:54,940 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:55,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:55,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57471224] [2025-01-10 02:11:55,130 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:55,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298339377] [2025-01-10 02:11:55,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298339377] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:55,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:55,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-01-10 02:11:55,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027335141] [2025-01-10 02:11:55,131 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:55,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-01-10 02:11:55,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:55,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-01-10 02:11:55,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2025-01-10 02:11:55,132 INFO L87 Difference]: Start difference. First operand 126 states and 140 transitions. Second operand has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:11:55,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:55,569 INFO L93 Difference]: Finished difference Result 140 states and 150 transitions. [2025-01-10 02:11:55,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-10 02:11:55,570 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 72 [2025-01-10 02:11:55,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:55,570 INFO L225 Difference]: With dead ends: 140 [2025-01-10 02:11:55,570 INFO L226 Difference]: Without dead ends: 138 [2025-01-10 02:11:55,571 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:11:55,571 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 92 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 415 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 415 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:55,571 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 189 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 415 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:11:55,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2025-01-10 02:11:55,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 126. [2025-01-10 02:11:55,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.1090909090909091) internal successors, (122), 115 states have internal predecessors, (122), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:11:55,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 138 transitions. [2025-01-10 02:11:55,582 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 138 transitions. Word has length 72 [2025-01-10 02:11:55,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:55,582 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 138 transitions. [2025-01-10 02:11:55,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.666666666666667) internal successors, (56), 13 states have internal predecessors, (56), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:11:55,582 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 138 transitions. [2025-01-10 02:11:55,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2025-01-10 02:11:55,583 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:55,583 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:55,591 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-01-10 02:11:55,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:55,784 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:55,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:55,784 INFO L85 PathProgramCache]: Analyzing trace with hash -629874865, now seen corresponding path program 2 times [2025-01-10 02:11:55,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:55,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114341801] [2025-01-10 02:11:55,784 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:11:55,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:55,788 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 78 statements into 2 equivalence classes. [2025-01-10 02:11:55,797 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 78 of 78 statements. [2025-01-10 02:11:55,798 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:11:55,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:55,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [730197827] [2025-01-10 02:11:55,799 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:11:55,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:55,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:55,801 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:55,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-10 02:11:55,823 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 78 statements into 2 equivalence classes. [2025-01-10 02:11:55,856 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 78 of 78 statements. [2025-01-10 02:11:55,856 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:11:55,856 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:11:55,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-10 02:11:55,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:11:56,708 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-10 02:11:56,708 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:11:57,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:11:57,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114341801] [2025-01-10 02:11:57,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:11:57,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [730197827] [2025-01-10 02:11:57,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [730197827] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:11:57,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:11:57,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2025-01-10 02:11:57,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246589708] [2025-01-10 02:11:57,064 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:11:57,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-10 02:11:57,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:11:57,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-10 02:11:57,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2025-01-10 02:11:57,065 INFO L87 Difference]: Start difference. First operand 126 states and 138 transitions. Second operand has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:11:59,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:11:59,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:11:59,591 INFO L93 Difference]: Finished difference Result 137 states and 146 transitions. [2025-01-10 02:11:59,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 02:11:59,592 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Word has length 78 [2025-01-10 02:11:59,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:11:59,592 INFO L225 Difference]: With dead ends: 137 [2025-01-10 02:11:59,592 INFO L226 Difference]: Without dead ends: 126 [2025-01-10 02:11:59,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=103, Invalid=359, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:11:59,593 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 96 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:11:59,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 177 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 520 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2025-01-10 02:11:59,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2025-01-10 02:11:59,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2025-01-10 02:11:59,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 110 states have (on average 1.0818181818181818) internal successors, (119), 115 states have internal predecessors, (119), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:11:59,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 135 transitions. [2025-01-10 02:11:59,602 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 135 transitions. Word has length 78 [2025-01-10 02:11:59,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:11:59,602 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 135 transitions. [2025-01-10 02:11:59,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 5 states have call successors, (5), 1 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 02:11:59,603 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 135 transitions. [2025-01-10 02:11:59,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-01-10 02:11:59,603 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:11:59,604 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:11:59,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-10 02:11:59,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:59,804 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:11:59,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:11:59,805 INFO L85 PathProgramCache]: Analyzing trace with hash -115761085, now seen corresponding path program 3 times [2025-01-10 02:11:59,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:11:59,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835620490] [2025-01-10 02:11:59,805 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:11:59,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:11:59,816 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 96 statements into 4 equivalence classes. [2025-01-10 02:11:59,836 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 02:11:59,837 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 02:11:59,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:11:59,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [528063546] [2025-01-10 02:11:59,838 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:11:59,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:11:59,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:11:59,841 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:11:59,843 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-10 02:11:59,870 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 96 statements into 4 equivalence classes. [2025-01-10 02:12:00,978 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 02:12:00,979 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 02:12:00,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:00,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-01-10 02:12:00,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:12:05,939 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 02:12:05,939 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:12:06,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:12:06,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835620490] [2025-01-10 02:12:06,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 02:12:06,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528063546] [2025-01-10 02:12:06,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528063546] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:12:06,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:12:06,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-01-10 02:12:06,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455369777] [2025-01-10 02:12:06,193 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 02:12:06,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-10 02:12:06,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:12:06,194 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-10 02:12:06,194 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=224, Unknown=1, NotChecked=0, Total=306 [2025-01-10 02:12:06,195 INFO L87 Difference]: Start difference. First operand 126 states and 135 transitions. Second operand has 15 states, 14 states have (on average 5.357142857142857) internal successors, (75), 15 states have internal predecessors, (75), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:12:08,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:12:12,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:12:17,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:12:21,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:12:25,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:12:27,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:12:31,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:12:35,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:12:37,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:12:39,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-01-10 02:12:39,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:12:39,822 INFO L93 Difference]: Finished difference Result 144 states and 150 transitions. [2025-01-10 02:12:39,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-10 02:12:39,823 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 5.357142857142857) internal successors, (75), 15 states have internal predecessors, (75), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) Word has length 96 [2025-01-10 02:12:39,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:12:39,824 INFO L225 Difference]: With dead ends: 144 [2025-01-10 02:12:39,824 INFO L226 Difference]: Without dead ends: 142 [2025-01-10 02:12:39,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=126, Invalid=335, Unknown=1, NotChecked=0, Total=462 [2025-01-10 02:12:39,825 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 163 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 7 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:12:39,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 153 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 402 Invalid, 6 Unknown, 0 Unchecked, 32.0s Time] [2025-01-10 02:12:39,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2025-01-10 02:12:39,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 130. [2025-01-10 02:12:39,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 114 states have (on average 1.0701754385964912) internal successors, (122), 119 states have internal predecessors, (122), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-01-10 02:12:39,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 138 transitions. [2025-01-10 02:12:39,838 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 138 transitions. Word has length 96 [2025-01-10 02:12:39,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:12:39,839 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 138 transitions. [2025-01-10 02:12:39,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 5.357142857142857) internal successors, (75), 15 states have internal predecessors, (75), 6 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 02:12:39,839 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 138 transitions. [2025-01-10 02:12:39,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-01-10 02:12:39,840 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:12:39,840 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:12:39,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-01-10 02:12:40,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-01-10 02:12:40,040 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2025-01-10 02:12:40,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:12:40,041 INFO L85 PathProgramCache]: Analyzing trace with hash 430900521, now seen corresponding path program 3 times [2025-01-10 02:12:40,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:12:40,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025786557] [2025-01-10 02:12:40,041 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:12:40,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:12:40,046 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 102 statements into 4 equivalence classes. [2025-01-10 02:12:40,059 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 102 of 102 statements. [2025-01-10 02:12:40,059 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-10 02:12:40,059 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 02:12:40,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1968000211] [2025-01-10 02:12:40,060 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:12:40,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:12:40,060 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:12:40,062 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:12:40,064 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-10 02:12:40,092 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 102 statements into 4 equivalence classes. [2025-01-10 02:12:40,189 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 48 of 102 statements. [2025-01-10 02:12:40,189 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-10 02:12:40,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:12:40,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-01-10 02:12:40,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:13:00,921 WARN L286 SmtUtils]: Spent 5.44s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)