./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6c4c876bf3d38b01f54a088b76131bc8275dc44ae3ac622f7c3187fe3c7bf156 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:31:39,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:31:39,597 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:31:39,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:31:39,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:31:39,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:31:39,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:31:39,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:31:39,627 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:31:39,627 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:31:39,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:31:39,628 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:31:39,628 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:31:39,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:31:39,629 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:31:39,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:31:39,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:31:39,629 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:31:39,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:31:39,630 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:31:39,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:31:39,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:31:39,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:31:39,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:31:39,630 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:31:39,630 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:31:39,630 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:31:39,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:31:39,630 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:31:39,630 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:31:39,630 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:31:39,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:31:39,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:31:39,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:31:39,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:31:39,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:31:39,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:31:39,632 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:31:39,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:31:39,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:31:39,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:31:39,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:31:39,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:31:39,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:31:39,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:31:39,632 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 -> 6c4c876bf3d38b01f54a088b76131bc8275dc44ae3ac622f7c3187fe3c7bf156 [2025-02-08 09:31:39,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:31:39,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:31:39,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:31:39,916 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:31:39,916 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:31:39,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c [2025-02-08 09:31:41,173 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/665796bee/f8428e40b60d4c74941ad4833f88a9a6/FLAGe61648385 [2025-02-08 09:31:41,392 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:31:41,392 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound10.c [2025-02-08 09:31:41,399 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/665796bee/f8428e40b60d4c74941ad4833f88a9a6/FLAGe61648385 [2025-02-08 09:31:41,748 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/665796bee/f8428e40b60d4c74941ad4833f88a9a6 [2025-02-08 09:31:41,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:31:41,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:31:41,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:31:41,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:31:41,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:31:41,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:41,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f603def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41, skipping insertion in model container [2025-02-08 09:31:41,756 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:41,769 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:31:41,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:31:41,921 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:31:41,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:31:41,943 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:31:41,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41 WrapperNode [2025-02-08 09:31:41,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:31:41,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:31:41,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:31:41,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:31:41,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:41,955 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:41,971 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2025-02-08 09:31:41,972 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:31:41,972 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:31:41,972 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:31:41,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:31:41,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:41,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:41,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:41,991 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]. [2025-02-08 09:31:41,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:41,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:41,994 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:41,998 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:41,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:41,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:42,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:31:42,000 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:31:42,000 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:31:42,000 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:31:42,001 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41" (1/1) ... [2025-02-08 09:31:42,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:31:42,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:42,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:31:42,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:31:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:31:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 09:31:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 09:31:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:31:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:31:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:31:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:31:42,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:31:42,085 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:31:42,086 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:31:42,367 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-02-08 09:31:42,367 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:31:42,376 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:31:42,376 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:31:42,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:31:42 BoogieIcfgContainer [2025-02-08 09:31:42,377 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:31:42,381 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:31:42,381 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:31:42,384 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:31:42,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:31:41" (1/3) ... [2025-02-08 09:31:42,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c5c70d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:31:42, skipping insertion in model container [2025-02-08 09:31:42,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:41" (2/3) ... [2025-02-08 09:31:42,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60c5c70d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:31:42, skipping insertion in model container [2025-02-08 09:31:42,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:31:42" (3/3) ... [2025-02-08 09:31:42,386 INFO L128 eAbstractionObserver]: Analyzing ICFG fermat2-ll_valuebound10.c [2025-02-08 09:31:42,394 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:31:42,395 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG fermat2-ll_valuebound10.c that has 3 procedures, 134 locations, 1 initial locations, 1 loop locations, and 56 error locations. [2025-02-08 09:31:42,429 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:31:42,438 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;@d70588d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:31:42,439 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2025-02-08 09:31:42,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 69 states have (on average 1.8840579710144927) internal successors, (130), 125 states have internal predecessors, (130), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:31:42,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 09:31:42,446 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:42,446 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:42,447 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:42,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:42,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1938104809, now seen corresponding path program 1 times [2025-02-08 09:31:42,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:42,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761621330] [2025-02-08 09:31:42,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:42,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:42,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:31:42,513 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:31:42,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:42,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:42,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:31:42,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:42,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761621330] [2025-02-08 09:31:42,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761621330] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:42,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537202882] [2025-02-08 09:31:42,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:42,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:42,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:42,547 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:42,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:31:42,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:31:42,597 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:31:42,597 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:42,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:42,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 09:31:42,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:42,616 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:31:42,619 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:31:42,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537202882] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:42,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:31:42,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 09:31:42,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250673403] [2025-02-08 09:31:42,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:42,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:31:42,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:42,641 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:31:42,641 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:31:42,644 INFO L87 Difference]: Start difference. First operand has 134 states, 69 states have (on average 1.8840579710144927) internal successors, (130), 125 states have internal predecessors, (130), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:31:42,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:42,664 INFO L93 Difference]: Finished difference Result 260 states and 287 transitions. [2025-02-08 09:31:42,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:31:42,667 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2025-02-08 09:31:42,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:42,672 INFO L225 Difference]: With dead ends: 260 [2025-02-08 09:31:42,673 INFO L226 Difference]: Without dead ends: 124 [2025-02-08 09:31:42,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:31:42,681 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:42,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:31:42,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-02-08 09:31:42,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2025-02-08 09:31:42,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 67 states have (on average 1.7611940298507462) internal successors, (118), 116 states have internal predecessors, (118), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:42,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 128 transitions. [2025-02-08 09:31:42,726 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 128 transitions. Word has length 13 [2025-02-08 09:31:42,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:42,726 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 128 transitions. [2025-02-08 09:31:42,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:31:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 128 transitions. [2025-02-08 09:31:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 09:31:42,728 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:42,728 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:42,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:31:42,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 09:31:42,933 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:42,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:42,933 INFO L85 PathProgramCache]: Analyzing trace with hash -2134588523, now seen corresponding path program 1 times [2025-02-08 09:31:42,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:42,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702523327] [2025-02-08 09:31:42,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:42,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:42,937 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:31:42,943 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:31:42,943 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:42,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:42,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:31:42,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:42,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702523327] [2025-02-08 09:31:42,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702523327] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:42,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:42,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:31:42,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704509612] [2025-02-08 09:31:42,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:42,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:31:42,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:42,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:31:42,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:42,978 INFO L87 Difference]: Start difference. First operand 124 states and 128 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:31:43,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:43,033 INFO L93 Difference]: Finished difference Result 124 states and 128 transitions. [2025-02-08 09:31:43,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:31:43,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 13 [2025-02-08 09:31:43,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:43,034 INFO L225 Difference]: With dead ends: 124 [2025-02-08 09:31:43,035 INFO L226 Difference]: Without dead ends: 120 [2025-02-08 09:31:43,036 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:43,036 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 13 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:43,037 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 199 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:31:43,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-02-08 09:31:43,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-02-08 09:31:43,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 67 states have (on average 1.7014925373134329) internal successors, (114), 112 states have internal predecessors, (114), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 124 transitions. [2025-02-08 09:31:43,050 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 124 transitions. Word has length 13 [2025-02-08 09:31:43,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:43,051 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 124 transitions. [2025-02-08 09:31:43,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:31:43,053 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2025-02-08 09:31:43,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:31:43,054 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:43,054 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:43,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:31:43,054 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:43,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:43,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1747734684, now seen corresponding path program 1 times [2025-02-08 09:31:43,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:43,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291827634] [2025-02-08 09:31:43,055 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:43,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:43,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:31:43,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:31:43,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:43,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:43,103 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:31:43,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:43,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291827634] [2025-02-08 09:31:43,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291827634] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:43,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:43,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:31:43,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448949264] [2025-02-08 09:31:43,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:43,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:31:43,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:43,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:31:43,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:43,105 INFO L87 Difference]: Start difference. First operand 120 states and 124 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:31:43,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:43,140 INFO L93 Difference]: Finished difference Result 120 states and 124 transitions. [2025-02-08 09:31:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:31:43,141 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 14 [2025-02-08 09:31:43,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:43,141 INFO L225 Difference]: With dead ends: 120 [2025-02-08 09:31:43,142 INFO L226 Difference]: Without dead ends: 116 [2025-02-08 09:31:43,142 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:43,142 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 12 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:43,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 199 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:31:43,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-02-08 09:31:43,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2025-02-08 09:31:43,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 67 states have (on average 1.6417910447761195) internal successors, (110), 108 states have internal predecessors, (110), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:43,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 120 transitions. [2025-02-08 09:31:43,148 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 120 transitions. Word has length 14 [2025-02-08 09:31:43,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:43,148 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 120 transitions. [2025-02-08 09:31:43,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:31:43,149 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2025-02-08 09:31:43,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 09:31:43,149 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:43,149 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:43,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:31:43,149 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:43,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:43,150 INFO L85 PathProgramCache]: Analyzing trace with hash 504247072, now seen corresponding path program 1 times [2025-02-08 09:31:43,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:43,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015458040] [2025-02-08 09:31:43,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:43,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:43,155 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:31:43,164 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:31:43,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:43,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:31:43,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1034938594] [2025-02-08 09:31:43,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:43,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:43,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:43,167 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:43,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:31:43,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:31:43,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:31:43,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:43,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:43,210 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:31:43,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:43,263 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:31:43,263 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:31:43,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:43,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015458040] [2025-02-08 09:31:43,264 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:31:43,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034938594] [2025-02-08 09:31:43,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1034938594] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:43,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:43,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:31:43,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199071855] [2025-02-08 09:31:43,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:43,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:31:43,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:43,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:31:43,265 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:31:43,265 INFO L87 Difference]: Start difference. First operand 116 states and 120 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:31:43,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:43,324 INFO L93 Difference]: Finished difference Result 116 states and 120 transitions. [2025-02-08 09:31:43,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:31:43,325 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2025-02-08 09:31:43,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:43,325 INFO L225 Difference]: With dead ends: 116 [2025-02-08 09:31:43,325 INFO L226 Difference]: Without dead ends: 114 [2025-02-08 09:31:43,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:31:43,326 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 8 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:43,326 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 375 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:31:43,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-02-08 09:31:43,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2025-02-08 09:31:43,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 106 states have internal predecessors, (108), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:43,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 118 transitions. [2025-02-08 09:31:43,331 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 118 transitions. Word has length 18 [2025-02-08 09:31:43,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:43,332 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 118 transitions. [2025-02-08 09:31:43,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:31:43,332 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2025-02-08 09:31:43,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-08 09:31:43,332 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:43,333 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:43,338 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 09:31:43,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:43,537 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:43,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:43,538 INFO L85 PathProgramCache]: Analyzing trace with hash 344714795, now seen corresponding path program 1 times [2025-02-08 09:31:43,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:43,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128917221] [2025-02-08 09:31:43,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:43,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:43,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:31:43,560 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:31:43,560 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:43,560 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:31:43,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957022901] [2025-02-08 09:31:43,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:43,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:43,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:43,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:43,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:31:43,584 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:31:43,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:31:43,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:43,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:43,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:31:43,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:43,705 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:31:43,705 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:31:43,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:43,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128917221] [2025-02-08 09:31:43,745 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:31:43,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957022901] [2025-02-08 09:31:43,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957022901] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:43,745 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:31:43,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:31:43,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327078650] [2025-02-08 09:31:43,746 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:31:43,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:31:43,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:43,746 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:31:43,746 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:31:43,746 INFO L87 Difference]: Start difference. First operand 114 states and 118 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:31:43,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:43,794 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2025-02-08 09:31:43,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:31:43,795 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2025-02-08 09:31:43,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:43,795 INFO L225 Difference]: With dead ends: 114 [2025-02-08 09:31:43,795 INFO L226 Difference]: Without dead ends: 111 [2025-02-08 09:31:43,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:31:43,796 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 80 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:43,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 290 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:31:43,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2025-02-08 09:31:43,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2025-02-08 09:31:43,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 103 states have internal predecessors, (105), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:43,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 115 transitions. [2025-02-08 09:31:43,801 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 115 transitions. Word has length 35 [2025-02-08 09:31:43,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:43,802 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 115 transitions. [2025-02-08 09:31:43,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:31:43,802 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions. [2025-02-08 09:31:43,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:31:43,802 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:43,803 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:43,808 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:31:44,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:44,007 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:44,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:44,008 INFO L85 PathProgramCache]: Analyzing trace with hash 2096224116, now seen corresponding path program 1 times [2025-02-08 09:31:44,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:44,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046099712] [2025-02-08 09:31:44,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:44,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:44,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:31:44,021 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:31:44,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:44,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:44,152 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:31:44,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:44,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046099712] [2025-02-08 09:31:44,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046099712] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:44,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046941692] [2025-02-08 09:31:44,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:44,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:44,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:44,155 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:44,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:31:44,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:31:44,186 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:31:44,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:44,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:44,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:31:44,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:44,292 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:31:44,292 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:31:44,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046941692] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:44,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:31:44,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-08 09:31:44,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149178951] [2025-02-08 09:31:44,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:44,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:31:44,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:44,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:31:44,294 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:31:44,294 INFO L87 Difference]: Start difference. First operand 111 states and 115 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:31:44,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:44,356 INFO L93 Difference]: Finished difference Result 111 states and 115 transitions. [2025-02-08 09:31:44,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:31:44,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2025-02-08 09:31:44,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:44,357 INFO L225 Difference]: With dead ends: 111 [2025-02-08 09:31:44,357 INFO L226 Difference]: Without dead ends: 110 [2025-02-08 09:31:44,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:31:44,358 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 79 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:44,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 369 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:44,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-02-08 09:31:44,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2025-02-08 09:31:44,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 102 states have internal predecessors, (104), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:44,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 114 transitions. [2025-02-08 09:31:44,363 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 114 transitions. Word has length 36 [2025-02-08 09:31:44,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:44,364 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 114 transitions. [2025-02-08 09:31:44,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:31:44,364 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2025-02-08 09:31:44,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:31:44,364 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:44,365 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:44,371 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 09:31:44,565 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,SelfDestructingSolverStorable5 [2025-02-08 09:31:44,565 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:44,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:44,566 INFO L85 PathProgramCache]: Analyzing trace with hash 131715602, now seen corresponding path program 1 times [2025-02-08 09:31:44,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:44,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220788077] [2025-02-08 09:31:44,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:44,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:44,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:31:44,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:31:44,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:44,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:44,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:44,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220788077] [2025-02-08 09:31:44,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220788077] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:44,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:44,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:31:44,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431273426] [2025-02-08 09:31:44,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:44,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:31:44,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:44,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:31:44,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:44,634 INFO L87 Difference]: Start difference. First operand 110 states and 114 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:31:44,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:44,665 INFO L93 Difference]: Finished difference Result 113 states and 117 transitions. [2025-02-08 09:31:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:31:44,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 38 [2025-02-08 09:31:44,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:44,667 INFO L225 Difference]: With dead ends: 113 [2025-02-08 09:31:44,667 INFO L226 Difference]: Without dead ends: 112 [2025-02-08 09:31:44,667 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:44,668 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 35 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:44,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 157 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:31:44,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-02-08 09:31:44,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2025-02-08 09:31:44,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 69 states have (on average 1.536231884057971) internal successors, (106), 104 states have internal predecessors, (106), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:44,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 116 transitions. [2025-02-08 09:31:44,673 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 116 transitions. Word has length 38 [2025-02-08 09:31:44,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:44,673 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 116 transitions. [2025-02-08 09:31:44,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:31:44,674 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2025-02-08 09:31:44,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:31:44,674 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:44,674 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:44,674 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 09:31:44,677 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:44,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:44,678 INFO L85 PathProgramCache]: Analyzing trace with hash -211783577, now seen corresponding path program 1 times [2025-02-08 09:31:44,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:44,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650966222] [2025-02-08 09:31:44,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:44,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:44,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:31:44,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:31:44,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:44,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:44,742 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:44,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:44,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650966222] [2025-02-08 09:31:44,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650966222] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:44,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:44,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:31:44,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017911171] [2025-02-08 09:31:44,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:44,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:31:44,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:44,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:31:44,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:31:44,744 INFO L87 Difference]: Start difference. First operand 112 states and 116 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:31:44,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:44,806 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2025-02-08 09:31:44,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:31:44,807 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39 [2025-02-08 09:31:44,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:44,807 INFO L225 Difference]: With dead ends: 114 [2025-02-08 09:31:44,807 INFO L226 Difference]: Without dead ends: 113 [2025-02-08 09:31:44,808 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:31:44,808 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 45 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:44,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 209 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:44,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-02-08 09:31:44,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2025-02-08 09:31:44,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.5285714285714285) internal successors, (107), 105 states have internal predecessors, (107), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:44,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions. [2025-02-08 09:31:44,813 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 39 [2025-02-08 09:31:44,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:44,813 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 117 transitions. [2025-02-08 09:31:44,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:31:44,814 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2025-02-08 09:31:44,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:31:44,814 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:44,814 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:44,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:31:44,814 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:44,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:44,815 INFO L85 PathProgramCache]: Analyzing trace with hash 2024643760, now seen corresponding path program 1 times [2025-02-08 09:31:44,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:44,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137695957] [2025-02-08 09:31:44,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:44,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:44,818 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:31:44,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:31:44,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:44,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:31:44,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1816799352] [2025-02-08 09:31:44,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:44,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:44,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:44,830 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:44,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:31:44,855 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:31:44,864 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:31:44,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:44,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:44,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 09:31:44,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:44,883 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:44,883 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:31:44,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:44,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137695957] [2025-02-08 09:31:44,883 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:31:44,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1816799352] [2025-02-08 09:31:44,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1816799352] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:44,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:44,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:31:44,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913155338] [2025-02-08 09:31:44,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:44,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:31:44,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:44,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:31:44,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:44,885 INFO L87 Difference]: Start difference. First operand 113 states and 117 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:31:44,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:44,929 INFO L93 Difference]: Finished difference Result 149 states and 161 transitions. [2025-02-08 09:31:44,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:31:44,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2025-02-08 09:31:44,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:44,931 INFO L225 Difference]: With dead ends: 149 [2025-02-08 09:31:44,931 INFO L226 Difference]: Without dead ends: 148 [2025-02-08 09:31:44,931 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:44,932 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 33 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:44,932 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 186 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:31:44,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2025-02-08 09:31:44,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 114. [2025-02-08 09:31:44,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 106 states have internal predecessors, (108), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:44,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 118 transitions. [2025-02-08 09:31:44,937 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 118 transitions. Word has length 40 [2025-02-08 09:31:44,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:44,938 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 118 transitions. [2025-02-08 09:31:44,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:31:44,938 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2025-02-08 09:31:44,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:31:44,939 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:44,939 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:44,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 09:31:45,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:45,140 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:45,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:45,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1660552827, now seen corresponding path program 1 times [2025-02-08 09:31:45,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:45,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707293443] [2025-02-08 09:31:45,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:45,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:45,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:31:45,149 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:31:45,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:45,150 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:31:45,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:45,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707293443] [2025-02-08 09:31:45,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707293443] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:45,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381286441] [2025-02-08 09:31:45,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:45,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:45,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:45,298 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:45,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:31:45,318 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:31:45,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:31:45,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:45,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:45,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:31:45,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:45,494 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:31:45,495 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:31:45,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381286441] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:45,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:31:45,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2025-02-08 09:31:45,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939072725] [2025-02-08 09:31:45,671 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:31:45,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:31:45,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:45,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:31:45,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:31:45,672 INFO L87 Difference]: Start difference. First operand 114 states and 118 transitions. Second operand has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 09:31:45,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:45,889 INFO L93 Difference]: Finished difference Result 149 states and 160 transitions. [2025-02-08 09:31:45,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:31:45,890 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 41 [2025-02-08 09:31:45,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:45,891 INFO L225 Difference]: With dead ends: 149 [2025-02-08 09:31:45,891 INFO L226 Difference]: Without dead ends: 148 [2025-02-08 09:31:45,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:31:45,892 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 324 mSDsluCounter, 417 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:45,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 490 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:31:45,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2025-02-08 09:31:45,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 115. [2025-02-08 09:31:45,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 72 states have (on average 1.5138888888888888) internal successors, (109), 107 states have internal predecessors, (109), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:45,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 119 transitions. [2025-02-08 09:31:45,897 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 119 transitions. Word has length 41 [2025-02-08 09:31:45,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:45,897 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 119 transitions. [2025-02-08 09:31:45,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-08 09:31:45,897 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2025-02-08 09:31:45,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:31:45,898 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:45,898 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:45,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:31:46,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-02-08 09:31:46,102 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:46,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:46,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1936568995, now seen corresponding path program 1 times [2025-02-08 09:31:46,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:46,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583248412] [2025-02-08 09:31:46,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:46,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:46,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:31:46,114 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:31:46,114 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:46,114 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:31:46,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1875753978] [2025-02-08 09:31:46,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:46,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:46,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:46,120 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:46,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:31:46,143 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:31:46,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:31:46,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:46,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:46,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:31:46,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:46,281 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:31:46,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:31:46,378 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:31:46,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:46,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583248412] [2025-02-08 09:31:46,379 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:31:46,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875753978] [2025-02-08 09:31:46,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875753978] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:31:46,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:31:46,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-08 09:31:46,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610691659] [2025-02-08 09:31:46,379 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:31:46,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:31:46,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:46,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:31:46,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:31:46,380 INFO L87 Difference]: Start difference. First operand 115 states and 119 transitions. Second operand has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:31:46,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:46,938 INFO L93 Difference]: Finished difference Result 191 states and 215 transitions. [2025-02-08 09:31:46,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:31:46,938 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 43 [2025-02-08 09:31:46,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:46,939 INFO L225 Difference]: With dead ends: 191 [2025-02-08 09:31:46,939 INFO L226 Difference]: Without dead ends: 176 [2025-02-08 09:31:46,940 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:31:46,940 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 110 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:46,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 353 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:31:46,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-02-08 09:31:46,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 158. [2025-02-08 09:31:46,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 149 states have internal predecessors, (178), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:31:46,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 190 transitions. [2025-02-08 09:31:46,947 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 190 transitions. Word has length 43 [2025-02-08 09:31:46,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:46,947 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 190 transitions. [2025-02-08 09:31:46,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:31:46,947 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 190 transitions. [2025-02-08 09:31:46,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:31:46,948 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:46,948 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:46,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 09:31:47,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:47,148 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:47,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:47,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1321966529, now seen corresponding path program 1 times [2025-02-08 09:31:47,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:47,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676631276] [2025-02-08 09:31:47,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:47,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:47,152 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:31:47,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:31:47,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:47,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:31:47,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1824804242] [2025-02-08 09:31:47,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:47,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:47,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:47,165 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:47,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:31:47,182 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:31:47,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:31:47,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:47,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:47,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:31:47,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:47,206 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:47,206 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:31:47,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:47,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676631276] [2025-02-08 09:31:47,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:31:47,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1824804242] [2025-02-08 09:31:47,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1824804242] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:47,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:47,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:31:47,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505630884] [2025-02-08 09:31:47,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:47,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:31:47,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:47,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:31:47,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:47,208 INFO L87 Difference]: Start difference. First operand 158 states and 190 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:31:47,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:47,284 INFO L93 Difference]: Finished difference Result 272 states and 336 transitions. [2025-02-08 09:31:47,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:31:47,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 45 [2025-02-08 09:31:47,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:47,286 INFO L225 Difference]: With dead ends: 272 [2025-02-08 09:31:47,287 INFO L226 Difference]: Without dead ends: 243 [2025-02-08 09:31:47,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:47,287 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 44 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:47,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 136 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:47,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2025-02-08 09:31:47,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 235. [2025-02-08 09:31:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 198 states have (on average 1.393939393939394) internal successors, (276), 224 states have internal predecessors, (276), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 292 transitions. [2025-02-08 09:31:47,296 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 292 transitions. Word has length 45 [2025-02-08 09:31:47,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:47,296 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 292 transitions. [2025-02-08 09:31:47,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:31:47,296 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 292 transitions. [2025-02-08 09:31:47,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-08 09:31:47,297 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:47,297 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:47,303 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 [2025-02-08 09:31:47,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:47,498 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:47,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:47,498 INFO L85 PathProgramCache]: Analyzing trace with hash -2086247435, now seen corresponding path program 1 times [2025-02-08 09:31:47,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:47,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386575755] [2025-02-08 09:31:47,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:47,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:47,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 09:31:47,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 09:31:47,509 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:47,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:47,554 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:47,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:47,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386575755] [2025-02-08 09:31:47,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386575755] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:47,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:47,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:31:47,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504912458] [2025-02-08 09:31:47,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:47,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:31:47,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:47,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:31:47,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:31:47,556 INFO L87 Difference]: Start difference. First operand 235 states and 292 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:31:47,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:47,663 INFO L93 Difference]: Finished difference Result 244 states and 293 transitions. [2025-02-08 09:31:47,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:31:47,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 63 [2025-02-08 09:31:47,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:47,665 INFO L225 Difference]: With dead ends: 244 [2025-02-08 09:31:47,665 INFO L226 Difference]: Without dead ends: 243 [2025-02-08 09:31:47,665 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 [2025-02-08 09:31:47,665 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 32 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:47,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 154 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:47,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2025-02-08 09:31:47,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 235. [2025-02-08 09:31:47,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 198 states have (on average 1.3838383838383839) internal successors, (274), 224 states have internal predecessors, (274), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:47,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 290 transitions. [2025-02-08 09:31:47,676 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 290 transitions. Word has length 63 [2025-02-08 09:31:47,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:47,676 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 290 transitions. [2025-02-08 09:31:47,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:31:47,676 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 290 transitions. [2025-02-08 09:31:47,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-08 09:31:47,677 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:47,677 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:47,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 09:31:47,678 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:47,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:47,678 INFO L85 PathProgramCache]: Analyzing trace with hash -2086247396, now seen corresponding path program 1 times [2025-02-08 09:31:47,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:47,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999061290] [2025-02-08 09:31:47,678 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:47,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:47,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 09:31:47,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 09:31:47,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:47,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:47,736 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:47,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:47,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999061290] [2025-02-08 09:31:47,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999061290] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:47,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:47,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:31:47,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989644494] [2025-02-08 09:31:47,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:47,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:31:47,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:47,738 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:31:47,738 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:31:47,738 INFO L87 Difference]: Start difference. First operand 235 states and 290 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:31:47,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:47,864 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2025-02-08 09:31:47,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:31:47,865 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 63 [2025-02-08 09:31:47,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:47,866 INFO L225 Difference]: With dead ends: 235 [2025-02-08 09:31:47,866 INFO L226 Difference]: Without dead ends: 234 [2025-02-08 09:31:47,866 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:31:47,867 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 101 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:47,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 174 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:47,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2025-02-08 09:31:47,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2025-02-08 09:31:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 198 states have (on average 1.3636363636363635) internal successors, (270), 223 states have internal predecessors, (270), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:47,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 286 transitions. [2025-02-08 09:31:47,876 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 286 transitions. Word has length 63 [2025-02-08 09:31:47,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:47,877 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 286 transitions. [2025-02-08 09:31:47,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:31:47,877 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 286 transitions. [2025-02-08 09:31:47,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 09:31:47,878 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:47,878 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:47,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 09:31:47,878 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:47,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:47,878 INFO L85 PathProgramCache]: Analyzing trace with hash -249161037, now seen corresponding path program 1 times [2025-02-08 09:31:47,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:47,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671176201] [2025-02-08 09:31:47,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:47,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:47,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:31:47,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:31:47,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:47,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:47,951 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:47,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:47,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671176201] [2025-02-08 09:31:47,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671176201] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:47,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:47,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:31:47,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506945028] [2025-02-08 09:31:47,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:47,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:31:47,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:47,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:31:47,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:31:47,953 INFO L87 Difference]: Start difference. First operand 234 states and 286 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:31:48,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:48,119 INFO L93 Difference]: Finished difference Result 238 states and 287 transitions. [2025-02-08 09:31:48,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:31:48,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2025-02-08 09:31:48,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:48,120 INFO L225 Difference]: With dead ends: 238 [2025-02-08 09:31:48,120 INFO L226 Difference]: Without dead ends: 237 [2025-02-08 09:31:48,121 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:31:48,121 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 148 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:48,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 155 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:48,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2025-02-08 09:31:48,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2025-02-08 09:31:48,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 198 states have (on average 1.3535353535353536) internal successors, (268), 223 states have internal predecessors, (268), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:48,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 284 transitions. [2025-02-08 09:31:48,133 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 284 transitions. Word has length 64 [2025-02-08 09:31:48,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:48,133 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 284 transitions. [2025-02-08 09:31:48,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:31:48,133 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 284 transitions. [2025-02-08 09:31:48,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 09:31:48,134 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:48,134 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:48,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 09:31:48,135 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:48,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:48,135 INFO L85 PathProgramCache]: Analyzing trace with hash -249159820, now seen corresponding path program 1 times [2025-02-08 09:31:48,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:48,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749551900] [2025-02-08 09:31:48,135 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:48,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:48,141 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:31:48,145 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:31:48,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:48,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:48,191 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:48,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:48,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749551900] [2025-02-08 09:31:48,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749551900] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:48,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:48,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:31:48,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470968277] [2025-02-08 09:31:48,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:48,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:31:48,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:48,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:31:48,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:31:48,192 INFO L87 Difference]: Start difference. First operand 234 states and 284 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:31:48,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:48,281 INFO L93 Difference]: Finished difference Result 245 states and 295 transitions. [2025-02-08 09:31:48,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:31:48,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2025-02-08 09:31:48,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:48,282 INFO L225 Difference]: With dead ends: 245 [2025-02-08 09:31:48,282 INFO L226 Difference]: Without dead ends: 244 [2025-02-08 09:31:48,282 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:31:48,283 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 50 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:48,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 165 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:48,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-02-08 09:31:48,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 233. [2025-02-08 09:31:48,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 198 states have (on average 1.3333333333333333) internal successors, (264), 222 states have internal predecessors, (264), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:48,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 280 transitions. [2025-02-08 09:31:48,297 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 280 transitions. Word has length 64 [2025-02-08 09:31:48,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:48,297 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 280 transitions. [2025-02-08 09:31:48,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:31:48,298 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 280 transitions. [2025-02-08 09:31:48,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-08 09:31:48,298 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:48,298 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:48,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-08 09:31:48,298 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:48,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:48,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1717983759, now seen corresponding path program 1 times [2025-02-08 09:31:48,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:48,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353798532] [2025-02-08 09:31:48,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:48,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:48,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-08 09:31:48,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 09:31:48,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:48,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:48,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:48,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353798532] [2025-02-08 09:31:48,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353798532] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:48,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [410818087] [2025-02-08 09:31:48,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:48,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:48,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:48,396 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:48,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:31:48,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-08 09:31:48,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 09:31:48,458 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:48,458 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:48,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:31:48,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:48,582 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:48,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:31:48,675 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:48,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [410818087] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:31:48,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:31:48,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2025-02-08 09:31:48,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596704600] [2025-02-08 09:31:48,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:31:48,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:31:48,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:48,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:31:48,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:31:48,678 INFO L87 Difference]: Start difference. First operand 233 states and 280 transitions. Second operand has 14 states, 13 states have (on average 9.538461538461538) internal successors, (124), 14 states have internal predecessors, (124), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:31:49,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:49,088 INFO L93 Difference]: Finished difference Result 302 states and 371 transitions. [2025-02-08 09:31:49,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:31:49,088 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.538461538461538) internal successors, (124), 14 states have internal predecessors, (124), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 68 [2025-02-08 09:31:49,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:49,089 INFO L225 Difference]: With dead ends: 302 [2025-02-08 09:31:49,089 INFO L226 Difference]: Without dead ends: 300 [2025-02-08 09:31:49,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=335, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:31:49,090 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 473 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:49,090 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 275 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:31:49,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2025-02-08 09:31:49,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 243. [2025-02-08 09:31:49,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 208 states have (on average 1.3221153846153846) internal successors, (275), 232 states have internal predecessors, (275), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:49,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 291 transitions. [2025-02-08 09:31:49,101 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 291 transitions. Word has length 68 [2025-02-08 09:31:49,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:49,101 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 291 transitions. [2025-02-08 09:31:49,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.538461538461538) internal successors, (124), 14 states have internal predecessors, (124), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:31:49,101 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 291 transitions. [2025-02-08 09:31:49,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-08 09:31:49,103 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:49,103 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:49,112 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 [2025-02-08 09:31:49,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:49,307 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:49,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:49,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1452812464, now seen corresponding path program 1 times [2025-02-08 09:31:49,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:49,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343814558] [2025-02-08 09:31:49,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:49,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:49,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-08 09:31:49,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 09:31:49,320 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:49,320 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:49,373 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:49,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:49,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343814558] [2025-02-08 09:31:49,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343814558] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:49,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:49,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:31:49,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837126267] [2025-02-08 09:31:49,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:49,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:31:49,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:49,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:31:49,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:31:49,374 INFO L87 Difference]: Start difference. First operand 243 states and 291 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:31:49,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:49,458 INFO L93 Difference]: Finished difference Result 245 states and 295 transitions. [2025-02-08 09:31:49,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:31:49,459 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 68 [2025-02-08 09:31:49,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:49,460 INFO L225 Difference]: With dead ends: 245 [2025-02-08 09:31:49,460 INFO L226 Difference]: Without dead ends: 244 [2025-02-08 09:31:49,460 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:31:49,460 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 60 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:49,461 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 169 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:49,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-02-08 09:31:49,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 240. [2025-02-08 09:31:49,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 206 states have (on average 1.3058252427184467) internal successors, (269), 229 states have internal predecessors, (269), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:49,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 285 transitions. [2025-02-08 09:31:49,470 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 285 transitions. Word has length 68 [2025-02-08 09:31:49,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:49,471 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 285 transitions. [2025-02-08 09:31:49,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-02-08 09:31:49,471 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 285 transitions. [2025-02-08 09:31:49,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-08 09:31:49,471 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:49,472 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:49,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 09:31:49,472 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:49,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:49,472 INFO L85 PathProgramCache]: Analyzing trace with hash 1717889034, now seen corresponding path program 1 times [2025-02-08 09:31:49,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:49,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559677999] [2025-02-08 09:31:49,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:49,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:49,478 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 09:31:49,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 09:31:49,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:49,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:49,538 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:49,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:49,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559677999] [2025-02-08 09:31:49,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559677999] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:49,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17142622] [2025-02-08 09:31:49,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:49,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:49,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:49,542 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) [2025-02-08 09:31:49,547 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 [2025-02-08 09:31:49,566 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 09:31:49,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 09:31:49,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:49,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:49,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:31:49,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:32:01,548 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_45| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_45| |v_ULTIMATE.start_main_~R~0#1_45|))) (and (<= .cse0 9223372036854775807) (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0)))) is different from true [2025-02-08 09:32:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 3 not checked. [2025-02-08 09:32:01,583 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:32:01,699 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:32:01,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17142622] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:32:01,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:32:01,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-02-08 09:32:01,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911236757] [2025-02-08 09:32:01,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:32:01,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:32:01,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:32:01,701 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:32:01,701 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=106, Unknown=6, NotChecked=22, Total=182 [2025-02-08 09:32:01,701 INFO L87 Difference]: Start difference. First operand 240 states and 285 transitions. Second operand has 14 states, 13 states have (on average 8.923076923076923) internal successors, (116), 14 states have internal predecessors, (116), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2025-02-08 09:32:12,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:14,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:15,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:16,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:18,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:19,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:20,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:24,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:27,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:32,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:42,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:46,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:50,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:54,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:58,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:02,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:06,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:10,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:14,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:18,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:22,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:26,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]