./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/ps3-ll.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/ps3-ll.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 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 01:49:38,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 01:49:38,610 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 01:49:38,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 01:49:38,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 01:49:38,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 01:49:38,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 01:49:38,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 01:49:38,629 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 01:49:38,629 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 01:49:38,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 01:49:38,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 01:49:38,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 01:49:38,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 01:49:38,629 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 01:49:38,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 01:49:38,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 01:49:38,630 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 01:49:38,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 01:49:38,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 01:49:38,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 01:49:38,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 01:49:38,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 01:49:38,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 01:49:38,630 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 01:49:38,630 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 01:49:38,630 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 01:49:38,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 01:49:38,631 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 01:49:38,631 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 01:49:38,631 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 01:49:38,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:49:38,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:49:38,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:49:38,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:49:38,631 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 01:49:38,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 01:49:38,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 01:49:38,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 01:49:38,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:49:38,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 01:49:38,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 01:49:38,631 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 01:49:38,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 01:49:38,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 01:49:38,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 01:49:38,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 01:49:38,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 01:49:38,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 01:49:38,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 01:49:38,632 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 -> 8db0248129cbdf684d5c34c8cefe6849dfc0aface1aea6f02e53557e5a736fa9 [2025-01-10 01:49:38,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 01:49:38,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 01:49:38,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 01:49:38,846 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 01:49:38,846 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 01:49:38,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps3-ll.c [2025-01-10 01:49:40,041 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7374347e5/b6c94f3d266a4cb195df85cbb0ee366f/FLAG2a3d736df [2025-01-10 01:49:40,323 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 01:49:40,323 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps3-ll.c [2025-01-10 01:49:40,338 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7374347e5/b6c94f3d266a4cb195df85cbb0ee366f/FLAG2a3d736df [2025-01-10 01:49:40,639 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7374347e5/b6c94f3d266a4cb195df85cbb0ee366f [2025-01-10 01:49:40,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 01:49:40,642 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 01:49:40,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 01:49:40,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 01:49:40,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 01:49:40,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e597254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40, skipping insertion in model container [2025-01-10 01:49:40,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,655 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 01:49:40,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:49:40,770 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 01:49:40,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 01:49:40,796 INFO L204 MainTranslator]: Completed translation [2025-01-10 01:49:40,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40 WrapperNode [2025-01-10 01:49:40,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 01:49:40,800 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 01:49:40,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 01:49:40,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 01:49:40,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,827 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 80 [2025-01-10 01:49:40,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 01:49:40,828 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 01:49:40,828 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 01:49:40,828 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 01:49:40,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,843 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,856 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-01-10 01:49:40,857 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,859 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,864 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,865 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,869 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,870 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 01:49:40,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 01:49:40,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 01:49:40,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 01:49:40,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (1/1) ... [2025-01-10 01:49:40,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 01:49:40,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:40,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-01-10 01:49:40,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-01-10 01:49:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 01:49:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 01:49:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 01:49:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 01:49:40,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 01:49:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 01:49:40,962 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 01:49:40,963 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 01:49:41,157 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2025-01-10 01:49:41,157 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 01:49:41,168 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 01:49:41,169 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-10 01:49:41,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:49:41 BoogieIcfgContainer [2025-01-10 01:49:41,170 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 01:49:41,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 01:49:41,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 01:49:41,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 01:49:41,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 01:49:40" (1/3) ... [2025-01-10 01:49:41,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f5975f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:49:41, skipping insertion in model container [2025-01-10 01:49:41,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 01:49:40" (2/3) ... [2025-01-10 01:49:41,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23f5975f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 01:49:41, skipping insertion in model container [2025-01-10 01:49:41,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 01:49:41" (3/3) ... [2025-01-10 01:49:41,178 INFO L128 eAbstractionObserver]: Analyzing ICFG ps3-ll.c [2025-01-10 01:49:41,188 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 01:49:41,189 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps3-ll.c that has 2 procedures, 103 locations, 1 initial locations, 1 loop locations, and 44 error locations. [2025-01-10 01:49:41,229 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 01:49:41,239 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;@10693b62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 01:49:41,240 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2025-01-10 01:49:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 55 states have (on average 1.8545454545454545) internal successors, (102), 99 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:41,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-01-10 01:49:41,245 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:41,245 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-01-10 01:49:41,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:41,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:41,250 INFO L85 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2025-01-10 01:49:41,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:41,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301131390] [2025-01-10 01:49:41,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:41,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:41,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-01-10 01:49:41,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-01-10 01:49:41,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:41,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:41,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:49:41,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:41,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301131390] [2025-01-10 01:49:41,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301131390] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:41,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:41,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:49:41,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199043647] [2025-01-10 01:49:41,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:41,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:49:41,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:41,400 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:49:41,400 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:41,401 INFO L87 Difference]: Start difference. First operand has 103 states, 55 states have (on average 1.8545454545454545) internal successors, (102), 99 states have internal predecessors, (102), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:49:41,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:41,523 INFO L93 Difference]: Finished difference Result 268 states and 310 transitions. [2025-01-10 01:49:41,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:49:41,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-01-10 01:49:41,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:41,529 INFO L225 Difference]: With dead ends: 268 [2025-01-10 01:49:41,529 INFO L226 Difference]: Without dead ends: 158 [2025-01-10 01:49:41,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:41,533 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 67 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:41,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 127 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:41,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-01-10 01:49:41,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 120. [2025-01-10 01:49:41,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 78 states have (on average 1.7564102564102564) internal successors, (137), 116 states have internal predecessors, (137), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:41,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2025-01-10 01:49:41,563 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 3 [2025-01-10 01:49:41,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:41,563 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2025-01-10 01:49:41,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:49:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2025-01-10 01:49:41,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-01-10 01:49:41,564 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:41,564 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-01-10 01:49:41,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-10 01:49:41,565 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:41,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:41,565 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2025-01-10 01:49:41,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:41,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261890043] [2025-01-10 01:49:41,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:41,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:41,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-10 01:49:41,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-10 01:49:41,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:41,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:49:41,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:41,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261890043] [2025-01-10 01:49:41,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261890043] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:41,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:41,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:49:41,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864029820] [2025-01-10 01:49:41,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:41,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:49:41,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:41,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:49:41,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:41,613 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:49:41,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:41,747 INFO L93 Difference]: Finished difference Result 156 states and 170 transitions. [2025-01-10 01:49:41,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:49:41,748 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-01-10 01:49:41,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:41,748 INFO L225 Difference]: With dead ends: 156 [2025-01-10 01:49:41,748 INFO L226 Difference]: Without dead ends: 138 [2025-01-10 01:49:41,749 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:41,749 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 40 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:41,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 66 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:41,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2025-01-10 01:49:41,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 132. [2025-01-10 01:49:41,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 90 states have (on average 1.5666666666666667) internal successors, (141), 128 states have internal predecessors, (141), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:41,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 145 transitions. [2025-01-10 01:49:41,756 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 145 transitions. Word has length 5 [2025-01-10 01:49:41,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:41,756 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 145 transitions. [2025-01-10 01:49:41,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:49:41,756 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 145 transitions. [2025-01-10 01:49:41,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-01-10 01:49:41,756 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:41,756 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:41,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 01:49:41,757 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:41,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:41,757 INFO L85 PathProgramCache]: Analyzing trace with hash 33363243, now seen corresponding path program 1 times [2025-01-10 01:49:41,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:41,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81323351] [2025-01-10 01:49:41,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:41,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:41,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-10 01:49:41,765 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-10 01:49:41,765 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:41,765 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:41,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:49:41,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:41,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81323351] [2025-01-10 01:49:41,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81323351] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:41,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:41,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:49:41,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050137332] [2025-01-10 01:49:41,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:41,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:49:41,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:41,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:49:41,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:41,817 INFO L87 Difference]: Start difference. First operand 132 states and 145 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:49:41,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:41,920 INFO L93 Difference]: Finished difference Result 146 states and 154 transitions. [2025-01-10 01:49:41,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:49:41,921 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-01-10 01:49:41,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:41,921 INFO L225 Difference]: With dead ends: 146 [2025-01-10 01:49:41,921 INFO L226 Difference]: Without dead ends: 140 [2025-01-10 01:49:41,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:41,922 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 80 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:41,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 100 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:41,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2025-01-10 01:49:41,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 135. [2025-01-10 01:49:41,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 93 states have (on average 1.5161290322580645) internal successors, (141), 131 states have internal predecessors, (141), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:41,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 145 transitions. [2025-01-10 01:49:41,934 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 145 transitions. Word has length 11 [2025-01-10 01:49:41,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:41,936 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 145 transitions. [2025-01-10 01:49:41,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:49:41,936 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 145 transitions. [2025-01-10 01:49:41,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-10 01:49:41,936 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:41,936 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:41,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 01:49:41,937 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:41,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:41,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1034260588, now seen corresponding path program 1 times [2025-01-10 01:49:41,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:41,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746083084] [2025-01-10 01:49:41,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:41,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:41,944 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:49:41,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:49:41,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:41,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:41,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1068143626] [2025-01-10 01:49:41,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:41,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:41,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:41,955 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:41,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-10 01:49:41,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-10 01:49:41,983 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-10 01:49:41,983 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:41,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:41,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:49:41,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:42,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:49:42,038 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:49:42,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:42,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746083084] [2025-01-10 01:49:42,039 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:42,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068143626] [2025-01-10 01:49:42,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068143626] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:42,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:42,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:49:42,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119227083] [2025-01-10 01:49:42,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:42,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:49:42,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:42,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:49:42,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:42,040 INFO L87 Difference]: Start difference. First operand 135 states and 145 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:49:42,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:42,185 INFO L93 Difference]: Finished difference Result 144 states and 146 transitions. [2025-01-10 01:49:42,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:49:42,185 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-01-10 01:49:42,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:42,186 INFO L225 Difference]: With dead ends: 144 [2025-01-10 01:49:42,186 INFO L226 Difference]: Without dead ends: 120 [2025-01-10 01:49:42,186 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:42,187 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 33 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:42,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 66 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:42,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-01-10 01:49:42,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 118. [2025-01-10 01:49:42,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 76 states have (on average 1.5526315789473684) internal successors, (118), 114 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:42,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 122 transitions. [2025-01-10 01:49:42,195 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 122 transitions. Word has length 12 [2025-01-10 01:49:42,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:42,195 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 122 transitions. [2025-01-10 01:49:42,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-10 01:49:42,195 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 122 transitions. [2025-01-10 01:49:42,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-01-10 01:49:42,196 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:42,196 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:42,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 01:49:42,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:42,397 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:42,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:42,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1712669393, now seen corresponding path program 1 times [2025-01-10 01:49:42,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:42,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149718972] [2025-01-10 01:49:42,398 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:42,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:42,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-01-10 01:49:42,408 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-01-10 01:49:42,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:42,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:49:42,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:42,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149718972] [2025-01-10 01:49:42,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149718972] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:42,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:42,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:49:42,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232775687] [2025-01-10 01:49:42,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:42,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:49:42,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:42,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:49:42,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:42,478 INFO L87 Difference]: Start difference. First operand 118 states and 122 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:49:42,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:42,488 INFO L93 Difference]: Finished difference Result 120 states and 122 transitions. [2025-01-10 01:49:42,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:49:42,489 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2025-01-10 01:49:42,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:42,489 INFO L225 Difference]: With dead ends: 120 [2025-01-10 01:49:42,489 INFO L226 Difference]: Without dead ends: 118 [2025-01-10 01:49:42,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:42,490 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:42,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 172 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:49:42,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-01-10 01:49:42,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2025-01-10 01:49:42,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 76 states have (on average 1.5263157894736843) internal successors, (116), 114 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:42,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 120 transitions. [2025-01-10 01:49:42,494 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 120 transitions. Word has length 27 [2025-01-10 01:49:42,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:42,495 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 120 transitions. [2025-01-10 01:49:42,495 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), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:49:42,495 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 120 transitions. [2025-01-10 01:49:42,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-01-10 01:49:42,496 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:42,496 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:42,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 01:49:42,496 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:42,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:42,496 INFO L85 PathProgramCache]: Analyzing trace with hash -518808378, now seen corresponding path program 1 times [2025-01-10 01:49:42,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:42,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297742716] [2025-01-10 01:49:42,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:42,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:42,501 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 01:49:42,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 01:49:42,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:42,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:42,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [318228258] [2025-01-10 01:49:42,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:42,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:42,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:42,508 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:42,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-10 01:49:42,528 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-01-10 01:49:42,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-01-10 01:49:42,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:42,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:42,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-10 01:49:42,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:49:42,578 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:49:42,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:42,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297742716] [2025-01-10 01:49:42,579 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:42,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318228258] [2025-01-10 01:49:42,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318228258] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:42,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:42,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:49:42,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396629391] [2025-01-10 01:49:42,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:42,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:49:42,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:42,580 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:49:42,580 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:42,580 INFO L87 Difference]: Start difference. First operand 118 states and 120 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:49:42,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:42,718 INFO L93 Difference]: Finished difference Result 186 states and 201 transitions. [2025-01-10 01:49:42,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:49:42,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2025-01-10 01:49:42,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:42,719 INFO L225 Difference]: With dead ends: 186 [2025-01-10 01:49:42,719 INFO L226 Difference]: Without dead ends: 167 [2025-01-10 01:49:42,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:42,720 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 49 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:42,721 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 88 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:42,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-01-10 01:49:42,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 157. [2025-01-10 01:49:42,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 114 states have (on average 1.4824561403508771) internal successors, (169), 152 states have internal predecessors, (169), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 01:49:42,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 175 transitions. [2025-01-10 01:49:42,725 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 175 transitions. Word has length 32 [2025-01-10 01:49:42,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:42,726 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 175 transitions. [2025-01-10 01:49:42,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:49:42,726 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 175 transitions. [2025-01-10 01:49:42,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-01-10 01:49:42,726 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:42,726 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:42,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 01:49:42,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:42,931 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:42,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:42,931 INFO L85 PathProgramCache]: Analyzing trace with hash -358642008, now seen corresponding path program 1 times [2025-01-10 01:49:42,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:42,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195382122] [2025-01-10 01:49:42,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:42,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:42,936 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-10 01:49:42,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-10 01:49:42,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:42,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:43,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:49:43,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:43,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195382122] [2025-01-10 01:49:43,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195382122] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:43,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:43,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:49:43,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706693227] [2025-01-10 01:49:43,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:43,022 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:49:43,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:43,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:49:43,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:43,023 INFO L87 Difference]: Start difference. First operand 157 states and 175 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:49:43,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:43,088 INFO L93 Difference]: Finished difference Result 158 states and 175 transitions. [2025-01-10 01:49:43,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:49:43,088 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2025-01-10 01:49:43,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:43,091 INFO L225 Difference]: With dead ends: 158 [2025-01-10 01:49:43,091 INFO L226 Difference]: Without dead ends: 157 [2025-01-10 01:49:43,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:43,092 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 22 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:43,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 124 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:43,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2025-01-10 01:49:43,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2025-01-10 01:49:43,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 114 states have (on average 1.4736842105263157) internal successors, (168), 152 states have internal predecessors, (168), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 01:49:43,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 174 transitions. [2025-01-10 01:49:43,101 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 174 transitions. Word has length 34 [2025-01-10 01:49:43,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:43,101 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 174 transitions. [2025-01-10 01:49:43,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:49:43,101 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 174 transitions. [2025-01-10 01:49:43,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 01:49:43,104 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:43,104 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:43,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-01-10 01:49:43,104 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:43,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:43,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1766999677, now seen corresponding path program 1 times [2025-01-10 01:49:43,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:43,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079090840] [2025-01-10 01:49:43,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:43,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:43,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 01:49:43,128 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 01:49:43,129 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:43,129 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:43,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [374107390] [2025-01-10 01:49:43,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:43,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:43,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:43,133 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:43,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-10 01:49:43,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 01:49:43,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 01:49:43,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:43,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:43,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:49:43,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:43,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-10 01:49:43,248 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:49:43,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:43,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079090840] [2025-01-10 01:49:43,248 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:43,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374107390] [2025-01-10 01:49:43,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374107390] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:43,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:43,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-10 01:49:43,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094955637] [2025-01-10 01:49:43,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:43,249 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-10 01:49:43,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:43,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-10 01:49:43,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:43,249 INFO L87 Difference]: Start difference. First operand 157 states and 174 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:49:43,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:43,303 INFO L93 Difference]: Finished difference Result 157 states and 174 transitions. [2025-01-10 01:49:43,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:49:43,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2025-01-10 01:49:43,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:43,304 INFO L225 Difference]: With dead ends: 157 [2025-01-10 01:49:43,304 INFO L226 Difference]: Without dead ends: 154 [2025-01-10 01:49:43,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-10 01:49:43,304 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 39 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:43,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 61 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:49:43,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2025-01-10 01:49:43,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2025-01-10 01:49:43,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 114 states have (on average 1.4298245614035088) internal successors, (163), 149 states have internal predecessors, (163), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 01:49:43,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 169 transitions. [2025-01-10 01:49:43,309 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 169 transitions. Word has length 35 [2025-01-10 01:49:43,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:43,309 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 169 transitions. [2025-01-10 01:49:43,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:49:43,310 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 169 transitions. [2025-01-10 01:49:43,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-10 01:49:43,310 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:43,310 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:43,316 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 01:49:43,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:43,515 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:43,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:43,516 INFO L85 PathProgramCache]: Analyzing trace with hash -1057584822, now seen corresponding path program 1 times [2025-01-10 01:49:43,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:43,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119166697] [2025-01-10 01:49:43,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:43,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:43,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 01:49:43,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 01:49:43,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:43,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:43,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [277739976] [2025-01-10 01:49:43,527 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:43,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:43,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:43,529 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:43,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-10 01:49:43,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 01:49:43,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 01:49:43,557 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:43,557 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:43,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 01:49:43,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:43,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:49:43,669 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:43,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:49:43,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:43,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119166697] [2025-01-10 01:49:43,742 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:43,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277739976] [2025-01-10 01:49:43,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277739976] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:49:43,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:49:43,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 01:49:43,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772791338] [2025-01-10 01:49:43,742 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:43,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:49:43,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:43,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:49:43,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:49:43,743 INFO L87 Difference]: Start difference. First operand 154 states and 169 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 8 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:44,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:44,045 INFO L93 Difference]: Finished difference Result 169 states and 185 transitions. [2025-01-10 01:49:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:49:44,046 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 8 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2025-01-10 01:49:44,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:44,047 INFO L225 Difference]: With dead ends: 169 [2025-01-10 01:49:44,047 INFO L226 Difference]: Without dead ends: 165 [2025-01-10 01:49:44,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:49:44,047 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 171 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:44,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 130 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:49:44,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2025-01-10 01:49:44,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 159. [2025-01-10 01:49:44,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 120 states have (on average 1.3833333333333333) internal successors, (166), 154 states have internal predecessors, (166), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 01:49:44,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 172 transitions. [2025-01-10 01:49:44,056 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 172 transitions. Word has length 36 [2025-01-10 01:49:44,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:44,056 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 172 transitions. [2025-01-10 01:49:44,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 8 states have internal predecessors, (64), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:44,056 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 172 transitions. [2025-01-10 01:49:44,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-01-10 01:49:44,058 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:44,058 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:44,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:44,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-01-10 01:49:44,259 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:44,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:44,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1422627579, now seen corresponding path program 1 times [2025-01-10 01:49:44,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:44,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440056413] [2025-01-10 01:49:44,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:44,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:44,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 01:49:44,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 01:49:44,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:44,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:44,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [851121821] [2025-01-10 01:49:44,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:44,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:44,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:44,289 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:44,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-10 01:49:44,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-01-10 01:49:44,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-01-10 01:49:44,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:44,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:44,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:49:44,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:44,383 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:49:44,384 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:49:44,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:44,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440056413] [2025-01-10 01:49:44,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:44,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851121821] [2025-01-10 01:49:44,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [851121821] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:44,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:44,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:49:44,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594468786] [2025-01-10 01:49:44,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:44,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:49:44,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:44,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:49:44,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:49:44,385 INFO L87 Difference]: Start difference. First operand 159 states and 172 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:49:44,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:44,493 INFO L93 Difference]: Finished difference Result 159 states and 172 transitions. [2025-01-10 01:49:44,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:49:44,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 43 [2025-01-10 01:49:44,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:44,493 INFO L225 Difference]: With dead ends: 159 [2025-01-10 01:49:44,494 INFO L226 Difference]: Without dead ends: 148 [2025-01-10 01:49:44,494 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:49:44,494 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 55 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:44,494 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 26 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:44,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2025-01-10 01:49:44,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2025-01-10 01:49:44,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 120 states have (on average 1.2583333333333333) internal successors, (151), 143 states have internal predecessors, (151), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 01:49:44,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 157 transitions. [2025-01-10 01:49:44,502 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 157 transitions. Word has length 43 [2025-01-10 01:49:44,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:44,502 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 157 transitions. [2025-01-10 01:49:44,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-01-10 01:49:44,502 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 157 transitions. [2025-01-10 01:49:44,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-01-10 01:49:44,503 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:44,503 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-01-10 01:49:44,509 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 01:49:44,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-10 01:49:44,707 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:44,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:44,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1151781934, now seen corresponding path program 1 times [2025-01-10 01:49:44,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:44,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319694312] [2025-01-10 01:49:44,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:44,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:44,712 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 01:49:44,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 01:49:44,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:44,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:44,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1451387433] [2025-01-10 01:49:44,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:44,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:44,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:44,718 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:44,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-10 01:49:44,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-01-10 01:49:44,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-01-10 01:49:44,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:44,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:44,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 01:49:44,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:44,868 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:49:44,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-10 01:49:44,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:44,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319694312] [2025-01-10 01:49:44,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:44,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451387433] [2025-01-10 01:49:44,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451387433] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:49:44,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:49:44,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-01-10 01:49:44,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090745644] [2025-01-10 01:49:44,963 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:44,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 01:49:44,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:44,964 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 01:49:44,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:49:44,965 INFO L87 Difference]: Start difference. First operand 148 states and 157 transitions. Second operand has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:45,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:45,291 INFO L93 Difference]: Finished difference Result 163 states and 176 transitions. [2025-01-10 01:49:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 01:49:45,292 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 44 [2025-01-10 01:49:45,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:45,293 INFO L225 Difference]: With dead ends: 163 [2025-01-10 01:49:45,293 INFO L226 Difference]: Without dead ends: 135 [2025-01-10 01:49:45,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:49:45,295 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 105 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:45,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 80 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 01:49:45,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2025-01-10 01:49:45,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 133. [2025-01-10 01:49:45,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 110 states have (on average 1.2363636363636363) internal successors, (136), 128 states have internal predecessors, (136), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 01:49:45,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 142 transitions. [2025-01-10 01:49:45,302 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 142 transitions. Word has length 44 [2025-01-10 01:49:45,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:45,302 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 142 transitions. [2025-01-10 01:49:45,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.428571428571429) internal successors, (80), 8 states have internal predecessors, (80), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:45,303 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2025-01-10 01:49:45,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-01-10 01:49:45,303 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:45,303 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:45,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:45,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-10 01:49:45,504 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:45,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:45,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1614487817, now seen corresponding path program 1 times [2025-01-10 01:49:45,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:45,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350459375] [2025-01-10 01:49:45,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:45,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:45,510 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-10 01:49:45,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-10 01:49:45,519 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:45,519 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:45,589 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:49:45,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:45,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350459375] [2025-01-10 01:49:45,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350459375] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:45,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250725060] [2025-01-10 01:49:45,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:45,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:45,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:45,591 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:45,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-10 01:49:45,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-10 01:49:45,623 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-10 01:49:45,623 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:45,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:45,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:49:45,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:45,675 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:49:45,675 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:49:45,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250725060] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:45,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:49:45,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-01-10 01:49:45,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479710842] [2025-01-10 01:49:45,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:45,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:49:45,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:45,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:49:45,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:49:45,677 INFO L87 Difference]: Start difference. First operand 133 states and 142 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:45,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:45,696 INFO L93 Difference]: Finished difference Result 133 states and 142 transitions. [2025-01-10 01:49:45,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:49:45,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 59 [2025-01-10 01:49:45,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:45,697 INFO L225 Difference]: With dead ends: 133 [2025-01-10 01:49:45,697 INFO L226 Difference]: Without dead ends: 132 [2025-01-10 01:49:45,697 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:49:45,697 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 25 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:45,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 123 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:49:45,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-01-10 01:49:45,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2025-01-10 01:49:45,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 110 states have (on average 1.2181818181818183) internal successors, (134), 127 states have internal predecessors, (134), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-01-10 01:49:45,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 140 transitions. [2025-01-10 01:49:45,703 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 140 transitions. Word has length 59 [2025-01-10 01:49:45,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:45,703 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 140 transitions. [2025-01-10 01:49:45,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:45,703 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 140 transitions. [2025-01-10 01:49:45,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-01-10 01:49:45,706 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:45,706 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 01:49:45,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:45,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:45,907 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:45,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:45,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1490485144, now seen corresponding path program 1 times [2025-01-10 01:49:45,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:45,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306476897] [2025-01-10 01:49:45,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:45,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:45,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-10 01:49:45,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 01:49:45,924 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:45,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:49:45,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:45,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306476897] [2025-01-10 01:49:45,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306476897] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:45,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803634706] [2025-01-10 01:49:45,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:45,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:45,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:45,973 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:45,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-10 01:49:45,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-01-10 01:49:46,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-01-10 01:49:46,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:46,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:46,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-10 01:49:46,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:49:46,071 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:46,130 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:49:46,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803634706] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:49:46,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 01:49:46,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-01-10 01:49:46,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755937225] [2025-01-10 01:49:46,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:46,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 01:49:46,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:46,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 01:49:46,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:49:46,131 INFO L87 Difference]: Start difference. First operand 132 states and 140 transitions. Second operand has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 7 states have internal predecessors, (124), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 01:49:46,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:46,159 INFO L93 Difference]: Finished difference Result 192 states and 200 transitions. [2025-01-10 01:49:46,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 01:49:46,159 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 7 states have internal predecessors, (124), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 60 [2025-01-10 01:49:46,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:46,160 INFO L225 Difference]: With dead ends: 192 [2025-01-10 01:49:46,160 INFO L226 Difference]: Without dead ends: 191 [2025-01-10 01:49:46,160 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:49:46,161 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 25 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 271 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 01:49:46,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 271 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:49:46,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2025-01-10 01:49:46,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 172. [2025-01-10 01:49:46,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 148 states have (on average 1.2635135135135136) internal successors, (187), 165 states have internal predecessors, (187), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 01:49:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 197 transitions. [2025-01-10 01:49:46,166 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 197 transitions. Word has length 60 [2025-01-10 01:49:46,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:46,166 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 197 transitions. [2025-01-10 01:49:46,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 7 states have internal predecessors, (124), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 01:49:46,167 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 197 transitions. [2025-01-10 01:49:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-01-10 01:49:46,167 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:46,167 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-01-10 01:49:46,173 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 01:49:46,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:46,372 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:46,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:46,373 INFO L85 PathProgramCache]: Analyzing trace with hash -1140098183, now seen corresponding path program 1 times [2025-01-10 01:49:46,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:46,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683734201] [2025-01-10 01:49:46,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:46,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:46,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-01-10 01:49:46,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-01-10 01:49:46,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:46,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-10 01:49:46,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:46,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683734201] [2025-01-10 01:49:46,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683734201] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:46,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:46,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:49:46,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241115075] [2025-01-10 01:49:46,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:46,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:49:46,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:46,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:49:46,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:46,418 INFO L87 Difference]: Start difference. First operand 172 states and 197 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:46,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:46,467 INFO L93 Difference]: Finished difference Result 172 states and 197 transitions. [2025-01-10 01:49:46,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-10 01:49:46,467 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 69 [2025-01-10 01:49:46,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:46,468 INFO L225 Difference]: With dead ends: 172 [2025-01-10 01:49:46,468 INFO L226 Difference]: Without dead ends: 167 [2025-01-10 01:49:46,468 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:46,468 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 60 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:46,469 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 22 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 01:49:46,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-01-10 01:49:46,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2025-01-10 01:49:46,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 148 states have (on average 1.195945945945946) internal successors, (177), 160 states have internal predecessors, (177), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 01:49:46,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 187 transitions. [2025-01-10 01:49:46,473 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 187 transitions. Word has length 69 [2025-01-10 01:49:46,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:46,473 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 187 transitions. [2025-01-10 01:49:46,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:46,474 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 187 transitions. [2025-01-10 01:49:46,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-01-10 01:49:46,474 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:46,474 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-01-10 01:49:46,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-01-10 01:49:46,474 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:46,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:46,475 INFO L85 PathProgramCache]: Analyzing trace with hash -983305262, now seen corresponding path program 1 times [2025-01-10 01:49:46,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:46,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750120349] [2025-01-10 01:49:46,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:46,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:46,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-01-10 01:49:46,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-01-10 01:49:46,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:46,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-01-10 01:49:46,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:46,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750120349] [2025-01-10 01:49:46,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750120349] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:46,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:46,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 01:49:46,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537388609] [2025-01-10 01:49:46,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:46,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 01:49:46,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:46,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 01:49:46,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:46,528 INFO L87 Difference]: Start difference. First operand 167 states and 187 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:46,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:46,583 INFO L93 Difference]: Finished difference Result 167 states and 187 transitions. [2025-01-10 01:49:46,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 01:49:46,583 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 70 [2025-01-10 01:49:46,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:46,584 INFO L225 Difference]: With dead ends: 167 [2025-01-10 01:49:46,584 INFO L226 Difference]: Without dead ends: 166 [2025-01-10 01:49:46,584 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 01:49:46,585 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 29 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:46,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 27 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:46,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2025-01-10 01:49:46,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2025-01-10 01:49:46,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 148 states have (on average 1.1756756756756757) internal successors, (174), 159 states have internal predecessors, (174), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 01:49:46,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 184 transitions. [2025-01-10 01:49:46,589 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 184 transitions. Word has length 70 [2025-01-10 01:49:46,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:46,590 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 184 transitions. [2025-01-10 01:49:46,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:46,590 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 184 transitions. [2025-01-10 01:49:46,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-01-10 01:49:46,590 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:46,590 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-01-10 01:49:46,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-01-10 01:49:46,590 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:46,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:46,591 INFO L85 PathProgramCache]: Analyzing trace with hash -63550220, now seen corresponding path program 1 times [2025-01-10 01:49:46,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:46,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005368054] [2025-01-10 01:49:46,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:46,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:46,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-10 01:49:46,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 01:49:46,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:46,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 01:49:46,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:46,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005368054] [2025-01-10 01:49:46,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005368054] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:46,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1751501498] [2025-01-10 01:49:46,650 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:46,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:46,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:46,657 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:46,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-10 01:49:46,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-01-10 01:49:46,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-01-10 01:49:46,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:46,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:46,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:49:46,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-10 01:49:46,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:46,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1751501498] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:46,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:49:46,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2025-01-10 01:49:46,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271796284] [2025-01-10 01:49:46,849 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:46,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:49:46,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:46,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:49:46,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-01-10 01:49:46,850 INFO L87 Difference]: Start difference. First operand 166 states and 184 transitions. Second operand has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:46,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:46,918 INFO L93 Difference]: Finished difference Result 166 states and 184 transitions. [2025-01-10 01:49:46,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:49:46,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2025-01-10 01:49:46,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:46,919 INFO L225 Difference]: With dead ends: 166 [2025-01-10 01:49:46,919 INFO L226 Difference]: Without dead ends: 155 [2025-01-10 01:49:46,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-01-10 01:49:46,920 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 74 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:46,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 30 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:46,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-01-10 01:49:46,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2025-01-10 01:49:46,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 141 states have (on average 1.127659574468085) internal successors, (159), 148 states have internal predecessors, (159), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 01:49:46,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 169 transitions. [2025-01-10 01:49:46,928 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 169 transitions. Word has length 72 [2025-01-10 01:49:46,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:46,929 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 169 transitions. [2025-01-10 01:49:46,929 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.25) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:46,929 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2025-01-10 01:49:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-01-10 01:49:46,930 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:46,930 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-01-10 01:49:46,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-10 01:49:47,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:47,131 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:47,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:47,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1970056771, now seen corresponding path program 1 times [2025-01-10 01:49:47,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:47,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488593691] [2025-01-10 01:49:47,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:47,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:47,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-10 01:49:47,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-10 01:49:47,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:47,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:47,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1324032668] [2025-01-10 01:49:47,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:47,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:47,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:47,158 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:47,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-10 01:49:47,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-01-10 01:49:47,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-01-10 01:49:47,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:47,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:47,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:49:47,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:49:47,288 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 01:49:47,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:47,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488593691] [2025-01-10 01:49:47,288 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:47,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324032668] [2025-01-10 01:49:47,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324032668] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 01:49:47,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 01:49:47,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 01:49:47,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738118594] [2025-01-10 01:49:47,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 01:49:47,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:49:47,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:47,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:49:47,289 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:49:47,289 INFO L87 Difference]: Start difference. First operand 155 states and 169 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:47,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:47,383 INFO L93 Difference]: Finished difference Result 155 states and 169 transitions. [2025-01-10 01:49:47,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:49:47,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 73 [2025-01-10 01:49:47,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:47,384 INFO L225 Difference]: With dead ends: 155 [2025-01-10 01:49:47,384 INFO L226 Difference]: Without dead ends: 146 [2025-01-10 01:49:47,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-10 01:49:47,385 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 34 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:47,385 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 55 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:47,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2025-01-10 01:49:47,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2025-01-10 01:49:47,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 134 states have (on average 1.0895522388059702) internal successors, (146), 139 states have internal predecessors, (146), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 01:49:47,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 156 transitions. [2025-01-10 01:49:47,390 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 156 transitions. Word has length 73 [2025-01-10 01:49:47,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:47,390 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 156 transitions. [2025-01-10 01:49:47,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:47,390 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2025-01-10 01:49:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-01-10 01:49:47,390 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:47,390 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2025-01-10 01:49:47,404 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 01:49:47,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 01:49:47,595 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:47,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:47,595 INFO L85 PathProgramCache]: Analyzing trace with hash -942217706, now seen corresponding path program 1 times [2025-01-10 01:49:47,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:47,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202991351] [2025-01-10 01:49:47,596 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:47,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:47,600 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 01:49:47,606 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 01:49:47,606 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:47,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:47,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1765797418] [2025-01-10 01:49:47,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:47,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:47,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:47,613 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:47,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-10 01:49:47,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-01-10 01:49:47,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-01-10 01:49:47,649 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:47,649 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:47,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-10 01:49:47,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:47,734 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-10 01:49:47,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:47,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:47,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202991351] [2025-01-10 01:49:47,809 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:47,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765797418] [2025-01-10 01:49:47,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765797418] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 01:49:47,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-01-10 01:49:47,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-01-10 01:49:47,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851528490] [2025-01-10 01:49:47,809 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:47,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 01:49:47,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:47,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 01:49:47,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:49:47,810 INFO L87 Difference]: Start difference. First operand 146 states and 156 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:47,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:47,900 INFO L93 Difference]: Finished difference Result 147 states and 156 transitions. [2025-01-10 01:49:47,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 01:49:47,901 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2025-01-10 01:49:47,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:47,902 INFO L225 Difference]: With dead ends: 147 [2025-01-10 01:49:47,902 INFO L226 Difference]: Without dead ends: 146 [2025-01-10 01:49:47,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-10 01:49:47,902 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 15 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:47,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 48 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 01:49:47,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2025-01-10 01:49:47,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2025-01-10 01:49:47,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 134 states have (on average 1.0820895522388059) internal successors, (145), 139 states have internal predecessors, (145), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 01:49:47,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 155 transitions. [2025-01-10 01:49:47,908 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 155 transitions. Word has length 74 [2025-01-10 01:49:47,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:47,908 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 155 transitions. [2025-01-10 01:49:47,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-01-10 01:49:47,908 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 155 transitions. [2025-01-10 01:49:47,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-01-10 01:49:47,909 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:47,909 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1] [2025-01-10 01:49:47,916 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-10 01:49:48,114 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,SelfDestructingSolverStorable17 [2025-01-10 01:49:48,115 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:48,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:48,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1356567150, now seen corresponding path program 1 times [2025-01-10 01:49:48,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:48,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378081842] [2025-01-10 01:49:48,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:48,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:48,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-10 01:49:48,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 01:49:48,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:48,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:48,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1851680784] [2025-01-10 01:49:48,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:48,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:48,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:48,149 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:48,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-10 01:49:48,168 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-10 01:49:48,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-10 01:49:48,183 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:48,183 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:48,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 01:49:48,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:49:48,280 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:48,452 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-10 01:49:48,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 01:49:48,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378081842] [2025-01-10 01:49:48,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-01-10 01:49:48,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851680784] [2025-01-10 01:49:48,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851680784] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 01:49:48,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-01-10 01:49:48,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-01-10 01:49:48,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410386891] [2025-01-10 01:49:48,452 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-01-10 01:49:48,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-10 01:49:48,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 01:49:48,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-10 01:49:48,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-01-10 01:49:48,454 INFO L87 Difference]: Start difference. First operand 146 states and 155 transitions. Second operand has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 10 states have internal predecessors, (164), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 01:49:48,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 01:49:48,641 INFO L93 Difference]: Finished difference Result 161 states and 170 transitions. [2025-01-10 01:49:48,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 01:49:48,641 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 10 states have internal predecessors, (164), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 96 [2025-01-10 01:49:48,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 01:49:48,642 INFO L225 Difference]: With dead ends: 161 [2025-01-10 01:49:48,642 INFO L226 Difference]: Without dead ends: 159 [2025-01-10 01:49:48,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-01-10 01:49:48,643 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 102 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 01:49:48,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 146 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 01:49:48,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-01-10 01:49:48,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 145. [2025-01-10 01:49:48,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 134 states have (on average 1.0597014925373134) internal successors, (142), 138 states have internal predecessors, (142), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-01-10 01:49:48,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 152 transitions. [2025-01-10 01:49:48,648 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 152 transitions. Word has length 96 [2025-01-10 01:49:48,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 01:49:48,648 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 152 transitions. [2025-01-10 01:49:48,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.22222222222222) internal successors, (164), 10 states have internal predecessors, (164), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-01-10 01:49:48,648 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 152 transitions. [2025-01-10 01:49:48,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-01-10 01:49:48,649 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 01:49:48,649 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2025-01-10 01:49:48,655 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 01:49:48,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:48,850 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-01-10 01:49:48,851 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 01:49:48,851 INFO L85 PathProgramCache]: Analyzing trace with hash 2009029748, now seen corresponding path program 1 times [2025-01-10 01:49:48,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 01:49:48,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342624216] [2025-01-10 01:49:48,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:48,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 01:49:48,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 01:49:48,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 01:49:48,866 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:48,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-10 01:49:48,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [4197308] [2025-01-10 01:49:48,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 01:49:48,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 01:49:48,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 01:49:48,869 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 01:49:48,874 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-10 01:49:48,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-10 01:49:48,906 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-10 01:49:48,906 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 01:49:48,906 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 01:49:48,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 01:49:48,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 01:49:49,039 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 6 proven. 84 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-10 01:49:49,039 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 01:49:57,120 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3)))) (or (not (= (mod .cse0 6) 0)) (< (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 2) (div .cse0 6)) 9223372036854775807))) is different from false [2025-01-10 01:50:05,148 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-01-10 01:50:13,168 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)