./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.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/hard2_valuebound50.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 63cd3e528fa28694be9f2ecbe948122395c3f48db5408253e949dc50f2a74038 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:42:32,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:42:32,652 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:42:32,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:42:32,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:42:32,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:42:32,682 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:42:32,682 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:42:32,682 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:42:32,683 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:42:32,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:42:32,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:42:32,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:42:32,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:42:32,684 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:42:32,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:42:32,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:42:32,684 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:42:32,685 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:42:32,685 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:42:32,685 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:42:32,685 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:42:32,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:42:32,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:42:32,685 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:42:32,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:42:32,685 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:42:32,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:42:32,685 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:42:32,685 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:42:32,685 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:42:32,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:42:32,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:42:32,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:42:32,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:42:32,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:42:32,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:42:32,687 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:42:32,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:42:32,687 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:42:32,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:42:32,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:42:32,687 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:42:32,687 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:42:32,687 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:42:32,687 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 -> 63cd3e528fa28694be9f2ecbe948122395c3f48db5408253e949dc50f2a74038 [2025-02-08 09:42:32,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:42:32,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:42:32,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:42:32,920 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:42:32,920 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:42:32,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c [2025-02-08 09:42:34,083 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/13aa9f930/e298f88c18e042fb9c23a533e0681189/FLAGf8c56d90c [2025-02-08 09:42:34,292 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:42:34,293 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound50.c [2025-02-08 09:42:34,299 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/13aa9f930/e298f88c18e042fb9c23a533e0681189/FLAGf8c56d90c [2025-02-08 09:42:34,313 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/13aa9f930/e298f88c18e042fb9c23a533e0681189 [2025-02-08 09:42:34,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:42:34,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:42:34,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:42:34,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:42:34,321 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:42:34,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c5c4d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34, skipping insertion in model container [2025-02-08 09:42:34,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:42:34,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:42:34,453 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:42:34,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:42:34,479 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:42:34,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34 WrapperNode [2025-02-08 09:42:34,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:42:34,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:42:34,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:42:34,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:42:34,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,490 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,505 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 88 [2025-02-08 09:42:34,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:42:34,507 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:42:34,507 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:42:34,507 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:42:34,514 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,515 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,531 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 8]. The 0 writes are split as follows [0, 0]. [2025-02-08 09:42:34,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,533 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,536 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,541 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:42:34,542 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:42:34,542 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:42:34,542 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:42:34,543 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34" (1/1) ... [2025-02-08 09:42:34,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:42:34,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:34,575 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 09:42:34,577 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 09:42:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:42:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:42:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 09:42:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:42:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:42:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:42:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:42:34,630 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:42:34,631 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:42:34,844 INFO L? ?]: Removed 50 outVars from TransFormulas that were not future-live. [2025-02-08 09:42:34,844 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:42:34,856 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:42:34,856 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:42:34,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:42:34 BoogieIcfgContainer [2025-02-08 09:42:34,856 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:42:34,859 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:42:34,859 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:42:34,862 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:42:34,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:42:34" (1/3) ... [2025-02-08 09:42:34,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2604ed6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:42:34, skipping insertion in model container [2025-02-08 09:42:34,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:42:34" (2/3) ... [2025-02-08 09:42:34,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2604ed6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:42:34, skipping insertion in model container [2025-02-08 09:42:34,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:42:34" (3/3) ... [2025-02-08 09:42:34,866 INFO L128 eAbstractionObserver]: Analyzing ICFG hard2_valuebound50.c [2025-02-08 09:42:34,876 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:42:34,878 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard2_valuebound50.c that has 2 procedures, 70 locations, 1 initial locations, 2 loop locations, and 24 error locations. [2025-02-08 09:42:34,916 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:42:34,923 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;@6ec02913, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:42:34,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2025-02-08 09:42:34,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 70 states, 37 states have (on average 1.837837837837838) internal successors, (68), 61 states have internal predecessors, (68), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:42:34,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 09:42:34,930 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:34,931 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 09:42:34,931 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:34,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:34,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1368146179, now seen corresponding path program 1 times [2025-02-08 09:42:34,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:34,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1395349930] [2025-02-08 09:42:34,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:34,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:34,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 09:42:34,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 09:42:34,999 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:34,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:42:35,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:35,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1395349930] [2025-02-08 09:42:35,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1395349930] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:35,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:42:35,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:42:35,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449334073] [2025-02-08 09:42:35,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:35,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:42:35,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:35,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:42:35,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:42:35,066 INFO L87 Difference]: Start difference. First operand has 70 states, 37 states have (on average 1.837837837837838) internal successors, (68), 61 states have internal predecessors, (68), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:42:35,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:35,085 INFO L93 Difference]: Finished difference Result 138 states and 168 transitions. [2025-02-08 09:42:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:42:35,086 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-08 09:42:35,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:35,091 INFO L225 Difference]: With dead ends: 138 [2025-02-08 09:42:35,091 INFO L226 Difference]: Without dead ends: 65 [2025-02-08 09:42:35,095 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 09:42:35,098 INFO L435 NwaCegarLoop]: 78 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, 78 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 09:42:35,100 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:42:35,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2025-02-08 09:42:35,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2025-02-08 09:42:35,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 35 states have (on average 1.7428571428571429) internal successors, (61), 58 states have internal predecessors, (61), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:42:35,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2025-02-08 09:42:35,140 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 6 [2025-02-08 09:42:35,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:35,140 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2025-02-08 09:42:35,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:42:35,140 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2025-02-08 09:42:35,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-08 09:42:35,141 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:35,142 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:35,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:42:35,142 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:35,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:35,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1143415011, now seen corresponding path program 1 times [2025-02-08 09:42:35,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:35,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735843232] [2025-02-08 09:42:35,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:35,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:35,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:42:35,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:42:35,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:35,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:42:35,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [190911678] [2025-02-08 09:42:35,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:35,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:35,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:35,180 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 09:42:35,188 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 09:42:35,213 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:42:35,230 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:42:35,230 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:35,230 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:35,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:42:35,234 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:35,275 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 09:42:35,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:42:35,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:35,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735843232] [2025-02-08 09:42:35,277 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:42:35,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190911678] [2025-02-08 09:42:35,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190911678] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:35,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:42:35,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:42:35,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383463198] [2025-02-08 09:42:35,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:35,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:42:35,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:35,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:42:35,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:42:35,279 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:42:35,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:35,344 INFO L93 Difference]: Finished difference Result 137 states and 158 transitions. [2025-02-08 09:42:35,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:42:35,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2025-02-08 09:42:35,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:35,345 INFO L225 Difference]: With dead ends: 137 [2025-02-08 09:42:35,346 INFO L226 Difference]: Without dead ends: 88 [2025-02-08 09:42:35,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 09:42:35,346 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 16 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:35,347 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 95 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:35,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2025-02-08 09:42:35,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2025-02-08 09:42:35,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 74 states have internal predecessors, (84), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:42:35,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 104 transitions. [2025-02-08 09:42:35,359 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 104 transitions. Word has length 15 [2025-02-08 09:42:35,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:35,360 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 104 transitions. [2025-02-08 09:42:35,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:42:35,360 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 104 transitions. [2025-02-08 09:42:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-02-08 09:42:35,360 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:35,360 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:35,370 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 09:42:35,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:35,561 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:35,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:35,562 INFO L85 PathProgramCache]: Analyzing trace with hash -809122078, now seen corresponding path program 1 times [2025-02-08 09:42:35,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:35,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044397547] [2025-02-08 09:42:35,562 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:35,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:35,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-08 09:42:35,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-08 09:42:35,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:35,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:35,670 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:42:35,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:35,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044397547] [2025-02-08 09:42:35,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044397547] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:35,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:42:35,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:42:35,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596850671] [2025-02-08 09:42:35,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:35,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:42:35,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:35,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:42:35,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:42:35,671 INFO L87 Difference]: Start difference. First operand 86 states and 104 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:42:35,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:35,710 INFO L93 Difference]: Finished difference Result 96 states and 111 transitions. [2025-02-08 09:42:35,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:42:35,711 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2025-02-08 09:42:35,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:35,712 INFO L225 Difference]: With dead ends: 96 [2025-02-08 09:42:35,712 INFO L226 Difference]: Without dead ends: 94 [2025-02-08 09:42:35,712 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 09:42:35,712 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 17 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:35,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 106 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:42:35,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2025-02-08 09:42:35,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 86. [2025-02-08 09:42:35,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 51 states have (on average 1.607843137254902) internal successors, (82), 74 states have internal predecessors, (82), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:42:35,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 102 transitions. [2025-02-08 09:42:35,719 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 102 transitions. Word has length 23 [2025-02-08 09:42:35,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:35,719 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 102 transitions. [2025-02-08 09:42:35,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:42:35,719 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2025-02-08 09:42:35,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-08 09:42:35,720 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:35,720 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:35,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:42:35,720 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:35,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:35,720 INFO L85 PathProgramCache]: Analyzing trace with hash 687018162, now seen corresponding path program 1 times [2025-02-08 09:42:35,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:35,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48888490] [2025-02-08 09:42:35,720 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:35,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:35,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:42:35,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:42:35,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:35,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:42:35,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079865638] [2025-02-08 09:42:35,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:35,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:35,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:35,740 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 09:42:35,745 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 09:42:35,765 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-02-08 09:42:35,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-02-08 09:42:35,775 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:35,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:35,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:42:35,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:42:35,791 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:42:35,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:35,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48888490] [2025-02-08 09:42:35,792 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:42:35,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079865638] [2025-02-08 09:42:35,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079865638] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:35,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:42:35,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:42:35,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496236116] [2025-02-08 09:42:35,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:35,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:42:35,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:35,793 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:42:35,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:42:35,793 INFO L87 Difference]: Start difference. First operand 86 states and 102 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:42:35,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:35,830 INFO L93 Difference]: Finished difference Result 121 states and 146 transitions. [2025-02-08 09:42:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:42:35,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2025-02-08 09:42:35,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:35,831 INFO L225 Difference]: With dead ends: 121 [2025-02-08 09:42:35,831 INFO L226 Difference]: Without dead ends: 117 [2025-02-08 09:42:35,832 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 09:42:35,832 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 39 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:35,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 88 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:42:35,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2025-02-08 09:42:35,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 103. [2025-02-08 09:42:35,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 66 states have (on average 1.5909090909090908) internal successors, (105), 89 states have internal predecessors, (105), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:42:35,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 129 transitions. [2025-02-08 09:42:35,840 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 129 transitions. Word has length 24 [2025-02-08 09:42:35,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:35,840 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 129 transitions. [2025-02-08 09:42:35,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:42:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 129 transitions. [2025-02-08 09:42:35,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-08 09:42:35,841 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:35,841 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:35,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:42:36,041 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 09:42:36,041 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:36,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:36,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1200509552, now seen corresponding path program 1 times [2025-02-08 09:42:36,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:36,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086701839] [2025-02-08 09:42:36,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:36,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:36,047 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-08 09:42:36,053 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-08 09:42:36,053 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:36,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:36,225 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:42:36,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:36,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086701839] [2025-02-08 09:42:36,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086701839] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:36,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:42:36,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 09:42:36,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118791747] [2025-02-08 09:42:36,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:36,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:42:36,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:36,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:42:36,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:42:36,226 INFO L87 Difference]: Start difference. First operand 103 states and 129 transitions. Second operand has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:42:36,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:36,408 INFO L93 Difference]: Finished difference Result 119 states and 143 transitions. [2025-02-08 09:42:36,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:42:36,408 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 26 [2025-02-08 09:42:36,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:36,409 INFO L225 Difference]: With dead ends: 119 [2025-02-08 09:42:36,409 INFO L226 Difference]: Without dead ends: 118 [2025-02-08 09:42:36,410 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:42:36,410 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 140 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:36,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 122 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:36,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-02-08 09:42:36,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 107. [2025-02-08 09:42:36,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.5571428571428572) internal successors, (109), 93 states have internal predecessors, (109), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:42:36,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 133 transitions. [2025-02-08 09:42:36,421 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 133 transitions. Word has length 26 [2025-02-08 09:42:36,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:36,421 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 133 transitions. [2025-02-08 09:42:36,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 7 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:42:36,421 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 133 transitions. [2025-02-08 09:42:36,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-08 09:42:36,422 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:36,422 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:36,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:42:36,422 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:36,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:36,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1438909559, now seen corresponding path program 1 times [2025-02-08 09:42:36,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:36,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543373503] [2025-02-08 09:42:36,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:36,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:36,430 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-08 09:42:36,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-08 09:42:36,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:36,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:36,499 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:42:36,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:36,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543373503] [2025-02-08 09:42:36,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543373503] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:36,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:42:36,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:42:36,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529302727] [2025-02-08 09:42:36,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:36,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:42:36,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:36,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:42:36,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:42:36,501 INFO L87 Difference]: Start difference. First operand 107 states and 133 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:42:36,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:36,629 INFO L93 Difference]: Finished difference Result 119 states and 146 transitions. [2025-02-08 09:42:36,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:42:36,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2025-02-08 09:42:36,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:36,631 INFO L225 Difference]: With dead ends: 119 [2025-02-08 09:42:36,631 INFO L226 Difference]: Without dead ends: 118 [2025-02-08 09:42:36,631 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 09:42:36,632 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 51 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:36,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 155 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:36,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2025-02-08 09:42:36,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 113. [2025-02-08 09:42:36,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 76 states have (on average 1.5) internal successors, (114), 99 states have internal predecessors, (114), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:42:36,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 138 transitions. [2025-02-08 09:42:36,641 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 138 transitions. Word has length 27 [2025-02-08 09:42:36,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:36,641 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 138 transitions. [2025-02-08 09:42:36,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:42:36,642 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2025-02-08 09:42:36,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:42:36,642 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:36,642 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:36,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:42:36,642 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:36,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:36,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1167994095, now seen corresponding path program 1 times [2025-02-08 09:42:36,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:36,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017971210] [2025-02-08 09:42:36,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:36,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:36,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:42:36,652 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:42:36,652 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:36,653 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:42:36,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [436853185] [2025-02-08 09:42:36,653 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:36,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:36,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:36,655 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 09:42:36,657 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 09:42:36,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:42:36,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:42:36,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:36,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:36,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:42:36,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:36,751 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:42:36,751 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:42:36,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:36,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017971210] [2025-02-08 09:42:36,752 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:42:36,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436853185] [2025-02-08 09:42:36,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436853185] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:36,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:42:36,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:42:36,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409233116] [2025-02-08 09:42:36,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:36,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:42:36,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:36,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:42:36,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:42:36,753 INFO L87 Difference]: Start difference. First operand 113 states and 138 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 09:42:36,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:36,827 INFO L93 Difference]: Finished difference Result 124 states and 153 transitions. [2025-02-08 09:42:36,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:42:36,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 38 [2025-02-08 09:42:36,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:36,828 INFO L225 Difference]: With dead ends: 124 [2025-02-08 09:42:36,828 INFO L226 Difference]: Without dead ends: 114 [2025-02-08 09:42:36,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 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 09:42:36,829 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 47 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:36,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 90 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:36,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-02-08 09:42:36,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2025-02-08 09:42:36,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 79 states have (on average 1.4177215189873418) internal successors, (112), 98 states have internal predecessors, (112), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:42:36,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 140 transitions. [2025-02-08 09:42:36,848 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 140 transitions. Word has length 38 [2025-02-08 09:42:36,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:36,848 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 140 transitions. [2025-02-08 09:42:36,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 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 09:42:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 140 transitions. [2025-02-08 09:42:36,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:42:36,849 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:36,849 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:36,860 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 09:42:37,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:37,053 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:37,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:37,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1848078549, now seen corresponding path program 1 times [2025-02-08 09:42:37,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:37,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173949142] [2025-02-08 09:42:37,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:37,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:37,057 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:42:37,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:42:37,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:37,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:42:37,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565612484] [2025-02-08 09:42:37,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:37,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:37,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:37,065 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 09:42:37,067 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 09:42:37,091 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:42:37,103 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:42:37,103 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:37,103 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:37,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:42:37,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:37,164 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:42:37,164 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:37,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:37,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173949142] [2025-02-08 09:42:37,344 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:42:37,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565612484] [2025-02-08 09:42:37,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565612484] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:37,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:42:37,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-02-08 09:42:37,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797307082] [2025-02-08 09:42:37,345 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:37,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:42:37,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:37,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:42:37,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:42:37,345 INFO L87 Difference]: Start difference. First operand 114 states and 140 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 09:42:37,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:37,450 INFO L93 Difference]: Finished difference Result 190 states and 245 transitions. [2025-02-08 09:42:37,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:42:37,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 39 [2025-02-08 09:42:37,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:37,452 INFO L225 Difference]: With dead ends: 190 [2025-02-08 09:42:37,453 INFO L226 Difference]: Without dead ends: 186 [2025-02-08 09:42:37,454 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:42:37,454 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 59 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:37,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 100 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:37,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2025-02-08 09:42:37,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 174. [2025-02-08 09:42:37,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 130 states have (on average 1.4230769230769231) internal successors, (185), 149 states have internal predecessors, (185), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:42:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 231 transitions. [2025-02-08 09:42:37,480 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 231 transitions. Word has length 39 [2025-02-08 09:42:37,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:37,480 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 231 transitions. [2025-02-08 09:42:37,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 09:42:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 231 transitions. [2025-02-08 09:42:37,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:42:37,483 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:37,483 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 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 09:42:37,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:42:37,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2025-02-08 09:42:37,684 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:37,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:37,684 INFO L85 PathProgramCache]: Analyzing trace with hash 616974175, now seen corresponding path program 1 times [2025-02-08 09:42:37,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:37,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607238804] [2025-02-08 09:42:37,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:37,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:37,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:42:37,694 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:42:37,694 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:37,694 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:37,762 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:42:37,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:37,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607238804] [2025-02-08 09:42:37,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607238804] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:37,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:42:37,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:42:37,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617172782] [2025-02-08 09:42:37,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:37,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:42:37,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:37,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:42:37,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:42:37,764 INFO L87 Difference]: Start difference. First operand 174 states and 231 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:37,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:37,890 INFO L93 Difference]: Finished difference Result 186 states and 243 transitions. [2025-02-08 09:42:37,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:42:37,890 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 43 [2025-02-08 09:42:37,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:37,891 INFO L225 Difference]: With dead ends: 186 [2025-02-08 09:42:37,891 INFO L226 Difference]: Without dead ends: 185 [2025-02-08 09:42:37,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:42:37,892 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 235 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:37,892 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 113 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:37,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2025-02-08 09:42:37,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 175. [2025-02-08 09:42:37,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 131 states have (on average 1.4198473282442747) internal successors, (186), 150 states have internal predecessors, (186), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:42:37,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 232 transitions. [2025-02-08 09:42:37,904 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 232 transitions. Word has length 43 [2025-02-08 09:42:37,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:37,904 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 232 transitions. [2025-02-08 09:42:37,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:37,904 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 232 transitions. [2025-02-08 09:42:37,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-08 09:42:37,905 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:37,905 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 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 09:42:37,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 09:42:37,905 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:37,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:37,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1946330214, now seen corresponding path program 1 times [2025-02-08 09:42:37,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:37,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752665242] [2025-02-08 09:42:37,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:37,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:37,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-08 09:42:37,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-08 09:42:37,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:37,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:37,981 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:42:37,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:37,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752665242] [2025-02-08 09:42:37,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752665242] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:37,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:42:37,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:42:37,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108761396] [2025-02-08 09:42:37,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:37,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:42:37,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:37,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:42:37,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:42:37,982 INFO L87 Difference]: Start difference. First operand 175 states and 232 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 09:42:38,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:38,050 INFO L93 Difference]: Finished difference Result 180 states and 236 transitions. [2025-02-08 09:42:38,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:42:38,050 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 44 [2025-02-08 09:42:38,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:38,051 INFO L225 Difference]: With dead ends: 180 [2025-02-08 09:42:38,051 INFO L226 Difference]: Without dead ends: 165 [2025-02-08 09:42:38,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:42:38,052 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 4 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:38,052 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 142 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:42:38,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2025-02-08 09:42:38,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2025-02-08 09:42:38,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 123 states have (on average 1.4390243902439024) internal successors, (177), 142 states have internal predecessors, (177), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:42:38,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 219 transitions. [2025-02-08 09:42:38,062 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 219 transitions. Word has length 44 [2025-02-08 09:42:38,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:38,062 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 219 transitions. [2025-02-08 09:42:38,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 09:42:38,063 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 219 transitions. [2025-02-08 09:42:38,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 09:42:38,063 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:38,063 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:38,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 09:42:38,063 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:38,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:38,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1518703856, now seen corresponding path program 1 times [2025-02-08 09:42:38,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:38,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958241496] [2025-02-08 09:42:38,064 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:38,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:38,067 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:42:38,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:42:38,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:38,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:38,111 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:42:38,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:38,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958241496] [2025-02-08 09:42:38,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958241496] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:38,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80062308] [2025-02-08 09:42:38,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:38,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:38,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:38,113 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 09:42:38,119 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 09:42:38,140 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:42:38,152 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:42:38,152 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:38,152 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:38,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:42:38,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:38,184 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:42:38,184 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:42:38,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80062308] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:38,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:42:38,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-08 09:42:38,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011620716] [2025-02-08 09:42:38,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:38,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:42:38,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:38,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:42:38,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:42:38,185 INFO L87 Difference]: Start difference. First operand 165 states and 219 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:42:38,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:38,246 INFO L93 Difference]: Finished difference Result 249 states and 340 transitions. [2025-02-08 09:42:38,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:42:38,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2025-02-08 09:42:38,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:38,247 INFO L225 Difference]: With dead ends: 249 [2025-02-08 09:42:38,247 INFO L226 Difference]: Without dead ends: 247 [2025-02-08 09:42:38,247 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 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 09:42:38,248 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 58 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:38,248 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 113 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:42:38,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2025-02-08 09:42:38,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 226. [2025-02-08 09:42:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 177 states have (on average 1.4463276836158192) internal successors, (256), 195 states have internal predecessors, (256), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-02-08 09:42:38,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 314 transitions. [2025-02-08 09:42:38,260 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 314 transitions. Word has length 46 [2025-02-08 09:42:38,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:38,260 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 314 transitions. [2025-02-08 09:42:38,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:42:38,260 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 314 transitions. [2025-02-08 09:42:38,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:42:38,261 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:38,261 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:38,269 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 09:42:38,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-02-08 09:42:38,462 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:38,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:38,462 INFO L85 PathProgramCache]: Analyzing trace with hash 164820741, now seen corresponding path program 1 times [2025-02-08 09:42:38,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:38,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814157627] [2025-02-08 09:42:38,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:38,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:38,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:42:38,468 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:42:38,469 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:38,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:38,525 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:42:38,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:38,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814157627] [2025-02-08 09:42:38,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814157627] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:38,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773186213] [2025-02-08 09:42:38,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:38,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:38,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:38,527 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 09:42:38,528 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 09:42:38,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:42:38,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:42:38,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:38,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:38,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:42:38,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:38,599 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:42:38,599 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:42:38,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773186213] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:42:38,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:42:38,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:42:38,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180053429] [2025-02-08 09:42:38,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:38,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:42:38,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:38,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:42:38,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:42:38,662 INFO L87 Difference]: Start difference. First operand 226 states and 314 transitions. Second operand has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-02-08 09:42:38,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:38,778 INFO L93 Difference]: Finished difference Result 374 states and 513 transitions. [2025-02-08 09:42:38,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:42:38,784 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 47 [2025-02-08 09:42:38,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:38,786 INFO L225 Difference]: With dead ends: 374 [2025-02-08 09:42:38,786 INFO L226 Difference]: Without dead ends: 372 [2025-02-08 09:42:38,786 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:42:38,787 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 161 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:38,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 199 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:38,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2025-02-08 09:42:38,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 326. [2025-02-08 09:42:38,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 261 states have (on average 1.4444444444444444) internal successors, (377), 279 states have internal predecessors, (377), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-08 09:42:38,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 467 transitions. [2025-02-08 09:42:38,806 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 467 transitions. Word has length 47 [2025-02-08 09:42:38,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:38,806 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 467 transitions. [2025-02-08 09:42:38,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.0) internal successors, (42), 7 states have internal predecessors, (42), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-02-08 09:42:38,806 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 467 transitions. [2025-02-08 09:42:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-08 09:42:38,806 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:38,807 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:38,813 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 09:42:39,007 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,SelfDestructingSolverStorable11 [2025-02-08 09:42:39,007 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:39,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:39,008 INFO L85 PathProgramCache]: Analyzing trace with hash 990831013, now seen corresponding path program 1 times [2025-02-08 09:42:39,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:39,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669638516] [2025-02-08 09:42:39,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:39,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:39,011 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:42:39,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:42:39,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:39,016 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:42:39,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [725388264] [2025-02-08 09:42:39,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:39,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:39,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:39,020 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 09:42:39,021 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 09:42:39,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:42:39,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:42:39,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:39,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:39,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:42:39,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:39,123 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-02-08 09:42:39,123 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:42:39,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:39,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669638516] [2025-02-08 09:42:39,123 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:42:39,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [725388264] [2025-02-08 09:42:39,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [725388264] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:39,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:42:39,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:42:39,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646401489] [2025-02-08 09:42:39,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:39,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:42:39,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:39,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:42:39,123 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:42:39,124 INFO L87 Difference]: Start difference. First operand 326 states and 467 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:42:39,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:39,200 INFO L93 Difference]: Finished difference Result 345 states and 492 transitions. [2025-02-08 09:42:39,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:42:39,200 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2025-02-08 09:42:39,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:39,202 INFO L225 Difference]: With dead ends: 345 [2025-02-08 09:42:39,202 INFO L226 Difference]: Without dead ends: 339 [2025-02-08 09:42:39,202 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 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 09:42:39,202 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 99 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:39,202 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 83 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:39,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-02-08 09:42:39,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 323. [2025-02-08 09:42:39,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.4147286821705427) internal successors, (365), 276 states have internal predecessors, (365), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-08 09:42:39,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 455 transitions. [2025-02-08 09:42:39,218 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 455 transitions. Word has length 50 [2025-02-08 09:42:39,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:39,218 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 455 transitions. [2025-02-08 09:42:39,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:42:39,219 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 455 transitions. [2025-02-08 09:42:39,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2025-02-08 09:42:39,219 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:39,219 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:42:39,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 09:42:39,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:39,420 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:39,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:39,420 INFO L85 PathProgramCache]: Analyzing trace with hash -800385191, now seen corresponding path program 2 times [2025-02-08 09:42:39,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:39,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648511029] [2025-02-08 09:42:39,420 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:42:39,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:39,424 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 2 equivalence classes. [2025-02-08 09:42:39,432 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 09:42:39,433 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:42:39,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:42:39,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [429713246] [2025-02-08 09:42:39,433 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:42:39,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:39,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:39,435 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 09:42:39,439 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 09:42:39,462 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 62 statements into 2 equivalence classes. [2025-02-08 09:42:39,474 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 09:42:39,475 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:42:39,475 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:39,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:42:39,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:39,619 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:42:39,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:39,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:39,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648511029] [2025-02-08 09:42:39,753 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:42:39,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429713246] [2025-02-08 09:42:39,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429713246] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:39,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:42:39,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:42:39,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688923182] [2025-02-08 09:42:39,754 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:39,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:42:39,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:39,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:42:39,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:42:39,755 INFO L87 Difference]: Start difference. First operand 323 states and 455 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:42:39,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:39,871 INFO L93 Difference]: Finished difference Result 418 states and 586 transitions. [2025-02-08 09:42:39,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:42:39,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 62 [2025-02-08 09:42:39,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:39,873 INFO L225 Difference]: With dead ends: 418 [2025-02-08 09:42:39,873 INFO L226 Difference]: Without dead ends: 414 [2025-02-08 09:42:39,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:42:39,873 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 77 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:39,874 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 134 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:39,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2025-02-08 09:42:39,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 323. [2025-02-08 09:42:39,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.4069767441860466) internal successors, (363), 276 states have internal predecessors, (363), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-08 09:42:39,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 453 transitions. [2025-02-08 09:42:39,889 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 453 transitions. Word has length 62 [2025-02-08 09:42:39,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:39,889 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 453 transitions. [2025-02-08 09:42:39,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-08 09:42:39,889 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 453 transitions. [2025-02-08 09:42:39,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-08 09:42:39,890 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:39,890 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:39,902 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 09:42:40,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:40,091 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:40,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:40,091 INFO L85 PathProgramCache]: Analyzing trace with hash 438909271, now seen corresponding path program 1 times [2025-02-08 09:42:40,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:40,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595343626] [2025-02-08 09:42:40,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:40,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:40,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 09:42:40,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 09:42:40,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:40,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:40,126 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-08 09:42:40,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:40,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595343626] [2025-02-08 09:42:40,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595343626] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:40,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:42:40,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:42:40,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507548946] [2025-02-08 09:42:40,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:40,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:42:40,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:40,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:42:40,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:42:40,127 INFO L87 Difference]: Start difference. First operand 323 states and 453 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:40,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:40,167 INFO L93 Difference]: Finished difference Result 323 states and 453 transitions. [2025-02-08 09:42:40,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:42:40,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 69 [2025-02-08 09:42:40,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:40,169 INFO L225 Difference]: With dead ends: 323 [2025-02-08 09:42:40,169 INFO L226 Difference]: Without dead ends: 322 [2025-02-08 09:42:40,170 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 09:42:40,170 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 2 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:40,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 97 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:42:40,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-02-08 09:42:40,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 322. [2025-02-08 09:42:40,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 258 states have (on average 1.3837209302325582) internal successors, (357), 275 states have internal predecessors, (357), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-08 09:42:40,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 447 transitions. [2025-02-08 09:42:40,186 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 447 transitions. Word has length 69 [2025-02-08 09:42:40,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:40,186 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 447 transitions. [2025-02-08 09:42:40,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:40,186 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 447 transitions. [2025-02-08 09:42:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-02-08 09:42:40,187 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:40,187 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:40,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 09:42:40,187 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:40,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:40,187 INFO L85 PathProgramCache]: Analyzing trace with hash 721285498, now seen corresponding path program 1 times [2025-02-08 09:42:40,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:40,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914205944] [2025-02-08 09:42:40,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:40,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:40,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-08 09:42:40,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-08 09:42:40,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:40,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:40,307 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:42:40,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:40,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914205944] [2025-02-08 09:42:40,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914205944] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:40,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308728583] [2025-02-08 09:42:40,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:40,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:40,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:40,309 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 09:42:40,311 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 09:42:40,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-02-08 09:42:40,345 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-02-08 09:42:40,345 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:40,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:40,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:42:40,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:42:40,458 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:42:40,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308728583] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:40,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:42:40,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-08 09:42:40,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694024419] [2025-02-08 09:42:40,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:40,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:42:40,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:40,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:42:40,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:42:40,459 INFO L87 Difference]: Start difference. First operand 322 states and 447 transitions. Second operand has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:42:40,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:40,544 INFO L93 Difference]: Finished difference Result 340 states and 462 transitions. [2025-02-08 09:42:40,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:42:40,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 70 [2025-02-08 09:42:40,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:40,546 INFO L225 Difference]: With dead ends: 340 [2025-02-08 09:42:40,546 INFO L226 Difference]: Without dead ends: 339 [2025-02-08 09:42:40,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:42:40,547 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 127 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:40,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 112 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:40,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2025-02-08 09:42:40,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 322. [2025-02-08 09:42:40,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 258 states have (on average 1.372093023255814) internal successors, (354), 275 states have internal predecessors, (354), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-08 09:42:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 444 transitions. [2025-02-08 09:42:40,565 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 444 transitions. Word has length 70 [2025-02-08 09:42:40,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:40,565 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 444 transitions. [2025-02-08 09:42:40,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.25) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:42:40,566 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 444 transitions. [2025-02-08 09:42:40,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-02-08 09:42:40,566 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:40,566 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:40,574 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 09:42:40,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:40,767 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:40,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:40,768 INFO L85 PathProgramCache]: Analyzing trace with hash 885013941, now seen corresponding path program 1 times [2025-02-08 09:42:40,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:40,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755807131] [2025-02-08 09:42:40,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:40,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:40,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 09:42:40,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:42:40,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:40,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:40,901 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:42:40,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:40,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755807131] [2025-02-08 09:42:40,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755807131] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:40,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689706194] [2025-02-08 09:42:40,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:40,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:40,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:40,904 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 09:42:40,905 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 09:42:40,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-02-08 09:42:40,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-02-08 09:42:40,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:40,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:40,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:42:40,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:41,120 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-08 09:42:41,120 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:42:41,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689706194] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:41,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:42:41,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-08 09:42:41,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380828650] [2025-02-08 09:42:41,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:41,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:42:41,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:41,121 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:42:41,121 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:42:41,121 INFO L87 Difference]: Start difference. First operand 322 states and 444 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:41,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:41,249 INFO L93 Difference]: Finished difference Result 341 states and 465 transitions. [2025-02-08 09:42:41,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:42:41,250 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 71 [2025-02-08 09:42:41,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:41,251 INFO L225 Difference]: With dead ends: 341 [2025-02-08 09:42:41,251 INFO L226 Difference]: Without dead ends: 340 [2025-02-08 09:42:41,252 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:42:41,252 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 52 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:41,252 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 95 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:41,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-08 09:42:41,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 331. [2025-02-08 09:42:41,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 267 states have (on average 1.3595505617977528) internal successors, (363), 284 states have internal predecessors, (363), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-08 09:42:41,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 453 transitions. [2025-02-08 09:42:41,288 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 453 transitions. Word has length 71 [2025-02-08 09:42:41,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:41,288 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 453 transitions. [2025-02-08 09:42:41,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:41,289 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 453 transitions. [2025-02-08 09:42:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-08 09:42:41,289 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:41,289 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:41,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:42:41,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-08 09:42:41,490 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:41,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:41,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1665628376, now seen corresponding path program 1 times [2025-02-08 09:42:41,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:41,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609407419] [2025-02-08 09:42:41,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:41,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:41,495 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 09:42:41,500 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 09:42:41,500 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:41,500 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:41,587 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:42:41,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:41,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609407419] [2025-02-08 09:42:41,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609407419] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:41,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305937757] [2025-02-08 09:42:41,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:41,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:41,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:41,590 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:42:41,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:42:41,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes. [2025-02-08 09:42:41,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements. [2025-02-08 09:42:41,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:41,626 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:41,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:42:41,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-08 09:42:41,719 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:42:41,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305937757] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:41,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:42:41,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-02-08 09:42:41,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258142257] [2025-02-08 09:42:41,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:41,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:42:41,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:41,720 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:42:41,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:42:41,720 INFO L87 Difference]: Start difference. First operand 331 states and 453 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:41,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:41,779 INFO L93 Difference]: Finished difference Result 340 states and 459 transitions. [2025-02-08 09:42:41,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:42:41,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 72 [2025-02-08 09:42:41,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:41,781 INFO L225 Difference]: With dead ends: 340 [2025-02-08 09:42:41,781 INFO L226 Difference]: Without dead ends: 338 [2025-02-08 09:42:41,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:42:41,782 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 32 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:41,782 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 78 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:42:41,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2025-02-08 09:42:41,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 334. [2025-02-08 09:42:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 270 states have (on average 1.3296296296296297) internal successors, (359), 287 states have internal predecessors, (359), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2025-02-08 09:42:41,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 449 transitions. [2025-02-08 09:42:41,823 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 449 transitions. Word has length 72 [2025-02-08 09:42:41,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:41,823 INFO L471 AbstractCegarLoop]: Abstraction has 334 states and 449 transitions. [2025-02-08 09:42:41,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:41,823 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 449 transitions. [2025-02-08 09:42:41,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-02-08 09:42:41,823 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:41,824 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:41,830 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 09:42:42,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-08 09:42:42,028 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:42,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:42,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1353931594, now seen corresponding path program 1 times [2025-02-08 09:42:42,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:42,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479456273] [2025-02-08 09:42:42,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:42,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:42,034 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-08 09:42:42,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-08 09:42:42,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:42,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:42:42,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2020074615] [2025-02-08 09:42:42,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:42,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:42,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:42,053 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:42:42,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:42:42,078 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-02-08 09:42:42,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-02-08 09:42:42,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:42,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:42,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:42:42,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:42,297 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-08 09:42:42,298 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:42,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:42,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479456273] [2025-02-08 09:42:42,788 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:42:42,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020074615] [2025-02-08 09:42:42,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020074615] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:42,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:42:42,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:42:42,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392632185] [2025-02-08 09:42:42,789 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:42,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:42:42,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:42,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:42:42,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:42:42,790 INFO L87 Difference]: Start difference. First operand 334 states and 449 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:42,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:42,893 INFO L93 Difference]: Finished difference Result 418 states and 575 transitions. [2025-02-08 09:42:42,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:42:42,893 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 74 [2025-02-08 09:42:42,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:42,895 INFO L225 Difference]: With dead ends: 418 [2025-02-08 09:42:42,895 INFO L226 Difference]: Without dead ends: 417 [2025-02-08 09:42:42,895 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:42:42,896 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 83 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:42,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 79 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:42,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2025-02-08 09:42:42,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 394. [2025-02-08 09:42:42,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 324 states have (on average 1.345679012345679) internal successors, (436), 341 states have internal predecessors, (436), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 09:42:42,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 538 transitions. [2025-02-08 09:42:42,940 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 538 transitions. Word has length 74 [2025-02-08 09:42:42,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:42,941 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 538 transitions. [2025-02-08 09:42:42,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:42,941 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 538 transitions. [2025-02-08 09:42:42,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-02-08 09:42:42,941 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:42,941 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:42,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-02-08 09:42:43,142 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:43,142 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:43,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:43,142 INFO L85 PathProgramCache]: Analyzing trace with hash 977793557, now seen corresponding path program 1 times [2025-02-08 09:42:43,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:43,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910743853] [2025-02-08 09:42:43,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:43,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:43,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-08 09:42:43,154 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-08 09:42:43,154 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:43,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:42:43,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1933474196] [2025-02-08 09:42:43,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:43,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:43,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:43,160 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:42:43,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:42:43,185 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-02-08 09:42:43,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-02-08 09:42:43,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:43,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:43,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:42:43,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:43,338 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-08 09:42:43,338 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:43,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:43,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910743853] [2025-02-08 09:42:43,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:42:43,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933474196] [2025-02-08 09:42:43,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933474196] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:43,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:42:43,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:42:43,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952022025] [2025-02-08 09:42:43,703 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:43,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:42:43,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:43,704 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:42:43,704 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:42:43,704 INFO L87 Difference]: Start difference. First operand 394 states and 538 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:43,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:43,780 INFO L93 Difference]: Finished difference Result 398 states and 538 transitions. [2025-02-08 09:42:43,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:42:43,781 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 75 [2025-02-08 09:42:43,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:43,782 INFO L225 Difference]: With dead ends: 398 [2025-02-08 09:42:43,782 INFO L226 Difference]: Without dead ends: 395 [2025-02-08 09:42:43,782 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:42:43,783 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 49 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:43,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 78 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:43,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2025-02-08 09:42:43,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 392. [2025-02-08 09:42:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 324 states have (on average 1.2746913580246915) internal successors, (413), 339 states have internal predecessors, (413), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 09:42:43,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 515 transitions. [2025-02-08 09:42:43,807 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 515 transitions. Word has length 75 [2025-02-08 09:42:43,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:43,807 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 515 transitions. [2025-02-08 09:42:43,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:43,807 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 515 transitions. [2025-02-08 09:42:43,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 09:42:43,808 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:43,808 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:43,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 09:42:44,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:44,009 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:44,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:44,010 INFO L85 PathProgramCache]: Analyzing trace with hash 246829204, now seen corresponding path program 1 times [2025-02-08 09:42:44,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:44,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132339342] [2025-02-08 09:42:44,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:44,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:44,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 09:42:44,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 09:42:44,018 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:44,018 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:44,051 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-08 09:42:44,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:44,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132339342] [2025-02-08 09:42:44,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132339342] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:44,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:42:44,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:42:44,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090655139] [2025-02-08 09:42:44,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:44,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:42:44,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:44,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:42:44,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:42:44,052 INFO L87 Difference]: Start difference. First operand 392 states and 515 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:44,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:44,188 INFO L93 Difference]: Finished difference Result 394 states and 515 transitions. [2025-02-08 09:42:44,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:42:44,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 76 [2025-02-08 09:42:44,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:44,190 INFO L225 Difference]: With dead ends: 394 [2025-02-08 09:42:44,190 INFO L226 Difference]: Without dead ends: 393 [2025-02-08 09:42:44,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:42:44,190 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 49 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:44,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 147 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:44,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2025-02-08 09:42:44,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 391. [2025-02-08 09:42:44,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 324 states have (on average 1.2469135802469136) internal successors, (404), 338 states have internal predecessors, (404), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 09:42:44,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 506 transitions. [2025-02-08 09:42:44,229 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 506 transitions. Word has length 76 [2025-02-08 09:42:44,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:44,229 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 506 transitions. [2025-02-08 09:42:44,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:42:44,230 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 506 transitions. [2025-02-08 09:42:44,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-08 09:42:44,230 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:44,230 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:44,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-02-08 09:42:44,231 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:44,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:44,231 INFO L85 PathProgramCache]: Analyzing trace with hash -938229261, now seen corresponding path program 1 times [2025-02-08 09:42:44,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:44,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502888206] [2025-02-08 09:42:44,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:44,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:44,234 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:42:44,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:42:44,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:44,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:44,341 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:42:44,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:44,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502888206] [2025-02-08 09:42:44,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502888206] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:44,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22609261] [2025-02-08 09:42:44,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:44,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:44,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:44,346 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:42:44,352 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 09:42:44,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:42:44,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:42:44,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:44,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:44,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:42:44,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:42:44,678 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:45,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22609261] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:45,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:42:45,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-08 09:42:45,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184474605] [2025-02-08 09:42:45,132 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:45,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:42:45,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:45,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:42:45,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:42:45,133 INFO L87 Difference]: Start difference. First operand 391 states and 506 transitions. Second operand has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-02-08 09:42:45,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:45,994 INFO L93 Difference]: Finished difference Result 685 states and 910 transitions. [2025-02-08 09:42:45,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-08 09:42:45,995 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 77 [2025-02-08 09:42:45,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:45,997 INFO L225 Difference]: With dead ends: 685 [2025-02-08 09:42:46,010 INFO L226 Difference]: Without dead ends: 680 [2025-02-08 09:42:46,010 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=307, Invalid=1099, Unknown=0, NotChecked=0, Total=1406 [2025-02-08 09:42:46,011 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 327 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 918 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 918 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:46,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 364 Invalid, 980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 918 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:42:46,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2025-02-08 09:42:46,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 527. [2025-02-08 09:42:46,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 527 states, 444 states have (on average 1.2387387387387387) internal successors, (550), 458 states have internal predecessors, (550), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2025-02-08 09:42:46,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 684 transitions. [2025-02-08 09:42:46,037 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 684 transitions. Word has length 77 [2025-02-08 09:42:46,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:46,037 INFO L471 AbstractCegarLoop]: Abstraction has 527 states and 684 transitions. [2025-02-08 09:42:46,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 16 states have internal predecessors, (75), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-02-08 09:42:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 684 transitions. [2025-02-08 09:42:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-08 09:42:46,038 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:46,038 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:46,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-08 09:42:46,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2025-02-08 09:42:46,239 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:46,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:46,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1986943741, now seen corresponding path program 1 times [2025-02-08 09:42:46,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:46,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122266071] [2025-02-08 09:42:46,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:46,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:46,244 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:42:46,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:42:46,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:46,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:42:46,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1395972321] [2025-02-08 09:42:46,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:46,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:46,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:46,254 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:42:46,258 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 09:42:46,280 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-08 09:42:46,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-08 09:42:46,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:46,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:46,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-02-08 09:42:46,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:46,513 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-02-08 09:42:46,513 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:46,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:46,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122266071] [2025-02-08 09:42:46,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:42:46,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395972321] [2025-02-08 09:42:46,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395972321] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:46,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:42:46,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-08 09:42:46,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992335701] [2025-02-08 09:42:46,831 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:46,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:42:46,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:46,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:42:46,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:42:46,832 INFO L87 Difference]: Start difference. First operand 527 states and 684 transitions. Second operand has 10 states, 9 states have (on average 5.222222222222222) internal successors, (47), 10 states have internal predecessors, (47), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:42:47,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:47,116 INFO L93 Difference]: Finished difference Result 547 states and 696 transitions. [2025-02-08 09:42:47,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:42:47,117 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.222222222222222) internal successors, (47), 10 states have internal predecessors, (47), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 91 [2025-02-08 09:42:47,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:47,118 INFO L225 Difference]: With dead ends: 547 [2025-02-08 09:42:47,118 INFO L226 Difference]: Without dead ends: 425 [2025-02-08 09:42:47,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:42:47,119 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 13 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:47,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 195 Invalid, 615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:42:47,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2025-02-08 09:42:47,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 423. [2025-02-08 09:42:47,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 352 states have (on average 1.2272727272727273) internal successors, (432), 366 states have internal predecessors, (432), 55 states have call successors, (55), 1 states have call predecessors, (55), 1 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2025-02-08 09:42:47,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 542 transitions. [2025-02-08 09:42:47,140 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 542 transitions. Word has length 91 [2025-02-08 09:42:47,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:47,141 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 542 transitions. [2025-02-08 09:42:47,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.222222222222222) internal successors, (47), 10 states have internal predecessors, (47), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-02-08 09:42:47,141 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 542 transitions. [2025-02-08 09:42:47,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2025-02-08 09:42:47,141 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:47,142 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:47,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-08 09:42:47,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:47,342 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:47,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:47,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1807512357, now seen corresponding path program 1 times [2025-02-08 09:42:47,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:47,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760576356] [2025-02-08 09:42:47,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:47,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:47,355 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-02-08 09:42:47,359 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-02-08 09:42:47,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:47,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2025-02-08 09:42:47,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:47,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760576356] [2025-02-08 09:42:47,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760576356] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:42:47,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:42:47,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:42:47,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852753606] [2025-02-08 09:42:47,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:42:47,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:42:47,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:47,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:42:47,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:42:47,397 INFO L87 Difference]: Start difference. First operand 423 states and 542 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:42:47,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:47,493 INFO L93 Difference]: Finished difference Result 425 states and 542 transitions. [2025-02-08 09:42:47,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:42:47,493 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 93 [2025-02-08 09:42:47,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:47,494 INFO L225 Difference]: With dead ends: 425 [2025-02-08 09:42:47,494 INFO L226 Difference]: Without dead ends: 392 [2025-02-08 09:42:47,495 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:42:47,495 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 22 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:47,495 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 182 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:47,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-02-08 09:42:47,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 390. [2025-02-08 09:42:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 390 states, 324 states have (on average 1.2407407407407407) internal successors, (402), 337 states have internal predecessors, (402), 51 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 51 states have call predecessors, (51), 51 states have call successors, (51) [2025-02-08 09:42:47,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 504 transitions. [2025-02-08 09:42:47,513 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 504 transitions. Word has length 93 [2025-02-08 09:42:47,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:47,513 INFO L471 AbstractCegarLoop]: Abstraction has 390 states and 504 transitions. [2025-02-08 09:42:47,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:42:47,514 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 504 transitions. [2025-02-08 09:42:47,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-08 09:42:47,514 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:47,514 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1] [2025-02-08 09:42:47,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-02-08 09:42:47,514 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:47,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:47,515 INFO L85 PathProgramCache]: Analyzing trace with hash 749054051, now seen corresponding path program 1 times [2025-02-08 09:42:47,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:47,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640478316] [2025-02-08 09:42:47,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:47,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:47,518 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:42:47,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:42:47,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:47,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:47,563 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:42:47,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:47,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640478316] [2025-02-08 09:42:47,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640478316] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:47,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268627020] [2025-02-08 09:42:47,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:47,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:47,564 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:47,565 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:42:47,567 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 09:42:47,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:42:47,601 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:42:47,601 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:47,601 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:47,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:42:47,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:47,642 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:42:47,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:42:47,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268627020] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:42:47,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:42:47,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-08 09:42:47,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318309751] [2025-02-08 09:42:47,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:47,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:42:47,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:47,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:42:47,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:42:47,724 INFO L87 Difference]: Start difference. First operand 390 states and 504 transitions. Second operand has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-08 09:42:47,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:47,940 INFO L93 Difference]: Finished difference Result 796 states and 1027 transitions. [2025-02-08 09:42:47,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:42:47,940 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 95 [2025-02-08 09:42:47,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:47,942 INFO L225 Difference]: With dead ends: 796 [2025-02-08 09:42:47,942 INFO L226 Difference]: Without dead ends: 794 [2025-02-08 09:42:47,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:42:47,943 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 301 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:47,943 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 288 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:42:47,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2025-02-08 09:42:47,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 540. [2025-02-08 09:42:47,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 450 states have (on average 1.2444444444444445) internal successors, (560), 463 states have internal predecessors, (560), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-02-08 09:42:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 710 transitions. [2025-02-08 09:42:47,972 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 710 transitions. Word has length 95 [2025-02-08 09:42:47,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:47,973 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 710 transitions. [2025-02-08 09:42:47,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-08 09:42:47,973 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 710 transitions. [2025-02-08 09:42:47,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-02-08 09:42:47,973 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:47,973 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:47,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:42:48,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:48,178 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:48,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:48,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1116518305, now seen corresponding path program 2 times [2025-02-08 09:42:48,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:48,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701462271] [2025-02-08 09:42:48,178 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:42:48,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:48,182 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-02-08 09:42:48,196 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 09:42:48,196 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:42:48,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:42:48,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1625717970] [2025-02-08 09:42:48,197 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:42:48,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:48,198 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:48,199 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:42:48,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:42:48,221 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 100 statements into 2 equivalence classes. [2025-02-08 09:42:48,239 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 100 of 100 statements. [2025-02-08 09:42:48,239 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:42:48,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:48,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:42:48,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:48,606 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:42:48,607 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:49,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:49,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701462271] [2025-02-08 09:42:49,335 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:42:49,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1625717970] [2025-02-08 09:42:49,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1625717970] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:49,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:42:49,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:42:49,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850331273] [2025-02-08 09:42:49,335 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:49,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:42:49,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:49,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:42:49,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:42:49,337 INFO L87 Difference]: Start difference. First operand 540 states and 710 transitions. Second operand has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-08 09:42:49,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:49,774 INFO L93 Difference]: Finished difference Result 564 states and 740 transitions. [2025-02-08 09:42:49,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:42:49,774 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 100 [2025-02-08 09:42:49,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:49,776 INFO L225 Difference]: With dead ends: 564 [2025-02-08 09:42:49,776 INFO L226 Difference]: Without dead ends: 563 [2025-02-08 09:42:49,776 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:42:49,776 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 29 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 946 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:49,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 314 Invalid, 946 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:42:49,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2025-02-08 09:42:49,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 540. [2025-02-08 09:42:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 450 states have (on average 1.2422222222222221) internal successors, (559), 463 states have internal predecessors, (559), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-02-08 09:42:49,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 709 transitions. [2025-02-08 09:42:49,812 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 709 transitions. Word has length 100 [2025-02-08 09:42:49,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:49,812 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 709 transitions. [2025-02-08 09:42:49,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-02-08 09:42:49,812 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 709 transitions. [2025-02-08 09:42:49,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-08 09:42:49,814 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:49,814 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:49,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-08 09:42:50,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:50,018 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:50,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:50,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1320732715, now seen corresponding path program 2 times [2025-02-08 09:42:50,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:50,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550705918] [2025-02-08 09:42:50,019 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:42:50,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:50,030 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 2 equivalence classes. [2025-02-08 09:42:50,037 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 09:42:50,037 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:42:50,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:50,153 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:42:50,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:50,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550705918] [2025-02-08 09:42:50,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550705918] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:50,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076726512] [2025-02-08 09:42:50,153 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:42:50,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:50,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:50,159 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:42:50,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:42:50,183 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 2 equivalence classes. [2025-02-08 09:42:50,201 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 09:42:50,202 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:42:50,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:50,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:42:50,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:42:50,262 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 25 proven. 10 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:42:50,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076726512] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:42:50,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:42:50,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2025-02-08 09:42:50,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297759342] [2025-02-08 09:42:50,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:50,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:42:50,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:50,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:42:50,369 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:42:50,370 INFO L87 Difference]: Start difference. First operand 540 states and 709 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2025-02-08 09:42:50,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:50,457 INFO L93 Difference]: Finished difference Result 549 states and 715 transitions. [2025-02-08 09:42:50,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:42:50,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) Word has length 114 [2025-02-08 09:42:50,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:50,461 INFO L225 Difference]: With dead ends: 549 [2025-02-08 09:42:50,461 INFO L226 Difference]: Without dead ends: 542 [2025-02-08 09:42:50,461 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 223 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:42:50,462 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 48 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:50,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 179 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:50,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2025-02-08 09:42:50,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 540. [2025-02-08 09:42:50,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 450 states have (on average 1.2333333333333334) internal successors, (555), 463 states have internal predecessors, (555), 75 states have call successors, (75), 1 states have call predecessors, (75), 1 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2025-02-08 09:42:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 705 transitions. [2025-02-08 09:42:50,503 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 705 transitions. Word has length 114 [2025-02-08 09:42:50,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:50,503 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 705 transitions. [2025-02-08 09:42:50,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 6 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 6 states have call predecessors, (23), 6 states have call successors, (23) [2025-02-08 09:42:50,503 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 705 transitions. [2025-02-08 09:42:50,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-02-08 09:42:50,505 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:50,505 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1] [2025-02-08 09:42:50,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 09:42:50,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-08 09:42:50,706 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:50,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:50,706 INFO L85 PathProgramCache]: Analyzing trace with hash 852835571, now seen corresponding path program 2 times [2025-02-08 09:42:50,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:50,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305759980] [2025-02-08 09:42:50,706 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:42:50,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:50,711 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 116 statements into 2 equivalence classes. [2025-02-08 09:42:50,712 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 116 statements. [2025-02-08 09:42:50,712 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 09:42:50,712 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:50,744 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2025-02-08 09:42:50,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:50,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305759980] [2025-02-08 09:42:50,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305759980] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:50,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582736445] [2025-02-08 09:42:50,744 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:42:50,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:50,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:50,747 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:42:50,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:42:50,777 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 116 statements into 2 equivalence classes. [2025-02-08 09:42:50,782 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 116 statements. [2025-02-08 09:42:50,782 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 09:42:50,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:50,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:42:50,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:50,865 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2025-02-08 09:42:50,865 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:50,979 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2025-02-08 09:42:50,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582736445] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:42:50,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:42:50,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-02-08 09:42:50,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498223995] [2025-02-08 09:42:50,980 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:50,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:42:50,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:50,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:42:50,981 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:42:50,982 INFO L87 Difference]: Start difference. First operand 540 states and 705 transitions. Second operand has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:42:51,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:51,148 INFO L93 Difference]: Finished difference Result 638 states and 855 transitions. [2025-02-08 09:42:51,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:42:51,149 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 116 [2025-02-08 09:42:51,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:51,152 INFO L225 Difference]: With dead ends: 638 [2025-02-08 09:42:51,152 INFO L226 Difference]: Without dead ends: 636 [2025-02-08 09:42:51,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:42:51,153 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 143 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:51,153 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 270 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:42:51,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2025-02-08 09:42:51,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 434. [2025-02-08 09:42:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 358 states have (on average 1.1983240223463687) internal successors, (429), 369 states have internal predecessors, (429), 63 states have call successors, (63), 1 states have call predecessors, (63), 1 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2025-02-08 09:42:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 555 transitions. [2025-02-08 09:42:51,180 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 555 transitions. Word has length 116 [2025-02-08 09:42:51,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:51,181 INFO L471 AbstractCegarLoop]: Abstraction has 434 states and 555 transitions. [2025-02-08 09:42:51,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.090909090909091) internal successors, (34), 12 states have internal predecessors, (34), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:42:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 555 transitions. [2025-02-08 09:42:51,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-02-08 09:42:51,182 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:51,182 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:51,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-08 09:42:51,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:51,383 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:51,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:51,383 INFO L85 PathProgramCache]: Analyzing trace with hash 115961553, now seen corresponding path program 1 times [2025-02-08 09:42:51,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:51,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278824761] [2025-02-08 09:42:51,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:51,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:51,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-08 09:42:51,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-08 09:42:51,395 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:51,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:42:51,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:51,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278824761] [2025-02-08 09:42:51,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278824761] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:51,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2099985860] [2025-02-08 09:42:51,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:51,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:51,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:51,526 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:42:51,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:42:51,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-08 09:42:51,569 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-08 09:42:51,569 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:51,569 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:51,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:42:51,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:51,827 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:42:51,828 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:42:52,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2099985860] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:42:52,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:42:52,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2025-02-08 09:42:52,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390645741] [2025-02-08 09:42:52,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:52,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-08 09:42:52,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:52,122 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-08 09:42:52,122 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:42:52,122 INFO L87 Difference]: Start difference. First operand 434 states and 555 transitions. Second operand has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-08 09:42:52,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:52,684 INFO L93 Difference]: Finished difference Result 577 states and 740 transitions. [2025-02-08 09:42:52,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-08 09:42:52,685 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 116 [2025-02-08 09:42:52,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:52,686 INFO L225 Difference]: With dead ends: 577 [2025-02-08 09:42:52,686 INFO L226 Difference]: Without dead ends: 486 [2025-02-08 09:42:52,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=430, Invalid=1210, Unknown=0, NotChecked=0, Total=1640 [2025-02-08 09:42:52,687 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 555 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:52,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 541 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:42:52,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2025-02-08 09:42:52,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 423. [2025-02-08 09:42:52,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 345 states have (on average 1.2260869565217392) internal successors, (423), 356 states have internal predecessors, (423), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-08 09:42:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 553 transitions. [2025-02-08 09:42:52,713 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 553 transitions. Word has length 116 [2025-02-08 09:42:52,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:52,713 INFO L471 AbstractCegarLoop]: Abstraction has 423 states and 553 transitions. [2025-02-08 09:42:52,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 22 states have internal predecessors, (156), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-08 09:42:52,713 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 553 transitions. [2025-02-08 09:42:52,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-08 09:42:52,714 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:52,714 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:52,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-08 09:42:52,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-08 09:42:52,914 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:52,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:52,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1565343033, now seen corresponding path program 1 times [2025-02-08 09:42:52,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:52,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224247682] [2025-02-08 09:42:52,918 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:52,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:52,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:42:52,931 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:42:52,931 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:52,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:53,073 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 15 proven. 18 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2025-02-08 09:42:53,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:53,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224247682] [2025-02-08 09:42:53,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224247682] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:53,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900813038] [2025-02-08 09:42:53,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:53,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:53,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:53,076 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:42:53,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:42:53,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:42:53,120 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:42:53,120 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:53,120 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:53,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:42:53,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:53,285 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 25 proven. 18 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:42:53,285 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:55,071 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:42:55,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900813038] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:42:55,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:42:55,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 8] total 20 [2025-02-08 09:42:55,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712902589] [2025-02-08 09:42:55,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:55,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-08 09:42:55,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:55,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-08 09:42:55,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:42:55,074 INFO L87 Difference]: Start difference. First operand 423 states and 553 transitions. Second operand has 21 states, 20 states have (on average 8.05) internal successors, (161), 21 states have internal predecessors, (161), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2025-02-08 09:42:55,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:55,336 INFO L93 Difference]: Finished difference Result 558 states and 742 transitions. [2025-02-08 09:42:55,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:42:55,337 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 8.05) internal successors, (161), 21 states have internal predecessors, (161), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) Word has length 121 [2025-02-08 09:42:55,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:55,338 INFO L225 Difference]: With dead ends: 558 [2025-02-08 09:42:55,339 INFO L226 Difference]: Without dead ends: 557 [2025-02-08 09:42:55,340 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=396, Unknown=0, NotChecked=0, Total=600 [2025-02-08 09:42:55,340 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 216 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:55,341 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 293 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 313 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:42:55,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2025-02-08 09:42:55,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 422. [2025-02-08 09:42:55,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 422 states, 345 states have (on average 1.2173913043478262) internal successors, (420), 355 states have internal predecessors, (420), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-08 09:42:55,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 550 transitions. [2025-02-08 09:42:55,366 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 550 transitions. Word has length 121 [2025-02-08 09:42:55,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:55,366 INFO L471 AbstractCegarLoop]: Abstraction has 422 states and 550 transitions. [2025-02-08 09:42:55,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 8.05) internal successors, (161), 21 states have internal predecessors, (161), 11 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 11 states have call predecessors, (36), 11 states have call successors, (36) [2025-02-08 09:42:55,366 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 550 transitions. [2025-02-08 09:42:55,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-08 09:42:55,368 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:55,368 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:55,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-08 09:42:55,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:55,569 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:55,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:55,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1280993748, now seen corresponding path program 1 times [2025-02-08 09:42:55,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:55,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489713236] [2025-02-08 09:42:55,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:55,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:55,573 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-08 09:42:55,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-08 09:42:55,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:55,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:42:55,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:42:55,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489713236] [2025-02-08 09:42:55,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489713236] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:42:55,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1256975897] [2025-02-08 09:42:55,704 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:42:55,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:55,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:55,706 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:42:55,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:42:55,728 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-08 09:42:55,747 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-08 09:42:55,747 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:42:55,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:55,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-08 09:42:55,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:55,945 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:42:55,945 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:42:56,980 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:42:56,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1256975897] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:42:56,980 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:42:56,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2025-02-08 09:42:56,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620412208] [2025-02-08 09:42:56,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:42:56,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-08 09:42:56,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:42:56,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-08 09:42:56,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:42:56,983 INFO L87 Difference]: Start difference. First operand 422 states and 550 transitions. Second operand has 22 states, 21 states have (on average 8.095238095238095) internal successors, (170), 22 states have internal predecessors, (170), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-08 09:42:57,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:42:57,867 INFO L93 Difference]: Finished difference Result 684 states and 873 transitions. [2025-02-08 09:42:57,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-08 09:42:57,867 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 8.095238095238095) internal successors, (170), 22 states have internal predecessors, (170), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 122 [2025-02-08 09:42:57,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:42:57,869 INFO L225 Difference]: With dead ends: 684 [2025-02-08 09:42:57,869 INFO L226 Difference]: Without dead ends: 683 [2025-02-08 09:42:57,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2025-02-08 09:42:57,870 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 365 mSDsluCounter, 467 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 542 SdHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:42:57,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 542 Invalid, 849 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:42:57,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2025-02-08 09:42:57,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 565. [2025-02-08 09:42:57,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 472 states have (on average 1.2139830508474576) internal successors, (573), 482 states have internal predecessors, (573), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-08 09:42:57,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 735 transitions. [2025-02-08 09:42:57,916 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 735 transitions. Word has length 122 [2025-02-08 09:42:57,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:42:57,916 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 735 transitions. [2025-02-08 09:42:57,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 8.095238095238095) internal successors, (170), 22 states have internal predecessors, (170), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-08 09:42:57,916 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 735 transitions. [2025-02-08 09:42:57,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-08 09:42:57,917 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:42:57,917 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:42:57,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-08 09:42:58,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2025-02-08 09:42:58,118 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:42:58,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:42:58,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1205812787, now seen corresponding path program 3 times [2025-02-08 09:42:58,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:42:58,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956178633] [2025-02-08 09:42:58,118 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:42:58,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:42:58,123 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 123 statements into 8 equivalence classes. [2025-02-08 09:42:58,143 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 123 of 123 statements. [2025-02-08 09:42:58,143 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-08 09:42:58,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:42:58,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1826631319] [2025-02-08 09:42:58,144 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:42:58,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:42:58,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:42:58,147 INFO L229 MonitoredProcess]: Starting monitored process 24 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 09:42:58,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:42:58,173 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 123 statements into 8 equivalence classes. [2025-02-08 09:42:58,185 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 42 of 123 statements. [2025-02-08 09:42:58,185 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-08 09:42:58,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:42:58,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:42:58,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:42:58,497 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 39 proven. 5 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2025-02-08 09:42:58,498 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:43:11,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:11,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956178633] [2025-02-08 09:43:11,076 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:43:11,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1826631319] [2025-02-08 09:43:11,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1826631319] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:11,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:43:11,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:43:11,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951493431] [2025-02-08 09:43:11,077 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:43:11,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:43:11,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:11,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:43:11,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=209, Unknown=2, NotChecked=0, Total=272 [2025-02-08 09:43:11,078 INFO L87 Difference]: Start difference. First operand 565 states and 735 transitions. Second operand has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:43:11,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:43:11,567 INFO L93 Difference]: Finished difference Result 578 states and 747 transitions. [2025-02-08 09:43:11,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:43:11,567 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 123 [2025-02-08 09:43:11,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:43:11,569 INFO L225 Difference]: With dead ends: 578 [2025-02-08 09:43:11,569 INFO L226 Difference]: Without dead ends: 577 [2025-02-08 09:43:11,570 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=169, Invalid=479, Unknown=2, NotChecked=0, Total=650 [2025-02-08 09:43:11,570 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 164 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 309 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 309 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:43:11,570 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 97 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 309 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:43:11,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2025-02-08 09:43:11,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 565. [2025-02-08 09:43:11,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 565 states, 472 states have (on average 1.201271186440678) internal successors, (567), 482 states have internal predecessors, (567), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-08 09:43:11,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 729 transitions. [2025-02-08 09:43:11,610 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 729 transitions. Word has length 123 [2025-02-08 09:43:11,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:43:11,610 INFO L471 AbstractCegarLoop]: Abstraction has 565 states and 729 transitions. [2025-02-08 09:43:11,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:43:11,610 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 729 transitions. [2025-02-08 09:43:11,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-02-08 09:43:11,611 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:43:11,611 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 09:43:11,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-02-08 09:43:11,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:11,812 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:43:11,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:43:11,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1620621646, now seen corresponding path program 2 times [2025-02-08 09:43:11,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:43:11,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386575886] [2025-02-08 09:43:11,812 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:43:11,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:43:11,816 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 124 statements into 2 equivalence classes. [2025-02-08 09:43:11,838 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 124 of 124 statements. [2025-02-08 09:43:11,838 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:43:11,838 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:43:11,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119144917] [2025-02-08 09:43:11,839 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:43:11,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:11,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:43:11,843 INFO L229 MonitoredProcess]: Starting monitored process 25 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 09:43:11,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:43:11,873 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 124 statements into 2 equivalence classes. [2025-02-08 09:43:11,880 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 21 of 124 statements. [2025-02-08 09:43:11,880 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-08 09:43:11,880 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:11,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:43:11,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:43:11,972 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 355 trivial. 0 not checked. [2025-02-08 09:43:11,972 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:43:11,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:11,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386575886] [2025-02-08 09:43:11,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:43:11,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119144917] [2025-02-08 09:43:11,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119144917] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:43:11,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:43:11,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:43:11,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502921541] [2025-02-08 09:43:11,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:43:11,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:43:11,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:11,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:43:11,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:43:11,974 INFO L87 Difference]: Start difference. First operand 565 states and 729 transitions. Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:43:12,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:43:12,073 INFO L93 Difference]: Finished difference Result 565 states and 729 transitions. [2025-02-08 09:43:12,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:43:12,073 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 124 [2025-02-08 09:43:12,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:43:12,075 INFO L225 Difference]: With dead ends: 565 [2025-02-08 09:43:12,075 INFO L226 Difference]: Without dead ends: 564 [2025-02-08 09:43:12,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:43:12,076 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 52 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:43:12,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 68 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:43:12,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2025-02-08 09:43:12,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 534. [2025-02-08 09:43:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 446 states have (on average 1.1726457399103138) internal successors, (523), 455 states have internal predecessors, (523), 77 states have call successors, (77), 1 states have call predecessors, (77), 1 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2025-02-08 09:43:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 677 transitions. [2025-02-08 09:43:12,114 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 677 transitions. Word has length 124 [2025-02-08 09:43:12,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:43:12,114 INFO L471 AbstractCegarLoop]: Abstraction has 534 states and 677 transitions. [2025-02-08 09:43:12,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:43:12,114 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 677 transitions. [2025-02-08 09:43:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-02-08 09:43:12,115 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:43:12,115 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 09:43:12,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-08 09:43:12,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-02-08 09:43:12,316 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:43:12,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:43:12,317 INFO L85 PathProgramCache]: Analyzing trace with hash -212070793, now seen corresponding path program 4 times [2025-02-08 09:43:12,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:43:12,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064154625] [2025-02-08 09:43:12,317 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:43:12,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:43:12,322 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 127 statements into 2 equivalence classes. [2025-02-08 09:43:12,334 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 127 of 127 statements. [2025-02-08 09:43:12,334 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:43:12,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:43:12,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:12,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064154625] [2025-02-08 09:43:12,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064154625] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:12,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687898284] [2025-02-08 09:43:12,535 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:43:12,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:12,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:43:12,538 INFO L229 MonitoredProcess]: Starting monitored process 26 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 09:43:12,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:43:12,563 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 127 statements into 2 equivalence classes. [2025-02-08 09:43:12,590 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 127 of 127 statements. [2025-02-08 09:43:12,590 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:43:12,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:12,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:43:12,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:43:13,348 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 61 proven. 29 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2025-02-08 09:43:13,348 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:43:14,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687898284] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:14,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:43:14,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 23 [2025-02-08 09:43:14,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217509083] [2025-02-08 09:43:14,417 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:43:14,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 09:43:14,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:14,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 09:43:14,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=718, Unknown=0, NotChecked=0, Total=812 [2025-02-08 09:43:14,418 INFO L87 Difference]: Start difference. First operand 534 states and 677 transitions. Second operand has 24 states, 23 states have (on average 5.6521739130434785) internal successors, (130), 24 states have internal predecessors, (130), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2025-02-08 09:43:16,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:43:16,519 INFO L93 Difference]: Finished difference Result 809 states and 1025 transitions. [2025-02-08 09:43:16,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-02-08 09:43:16,519 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 5.6521739130434785) internal successors, (130), 24 states have internal predecessors, (130), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) Word has length 127 [2025-02-08 09:43:16,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:43:16,522 INFO L225 Difference]: With dead ends: 809 [2025-02-08 09:43:16,522 INFO L226 Difference]: Without dead ends: 804 [2025-02-08 09:43:16,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 859 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=604, Invalid=3302, Unknown=0, NotChecked=0, Total=3906 [2025-02-08 09:43:16,524 INFO L435 NwaCegarLoop]: 35 mSDtfsCounter, 573 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 1711 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 573 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 1832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 1711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:43:16,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [573 Valid, 429 Invalid, 1832 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [121 Valid, 1711 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 09:43:16,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2025-02-08 09:43:16,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 603. [2025-02-08 09:43:16,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 511 states have (on average 1.1702544031311155) internal successors, (598), 520 states have internal predecessors, (598), 81 states have call successors, (81), 1 states have call predecessors, (81), 1 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-02-08 09:43:16,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 760 transitions. [2025-02-08 09:43:16,582 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 760 transitions. Word has length 127 [2025-02-08 09:43:16,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:43:16,582 INFO L471 AbstractCegarLoop]: Abstraction has 603 states and 760 transitions. [2025-02-08 09:43:16,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 5.6521739130434785) internal successors, (130), 24 states have internal predecessors, (130), 9 states have call successors, (26), 1 states have call predecessors, (26), 2 states have return successors, (26), 10 states have call predecessors, (26), 9 states have call successors, (26) [2025-02-08 09:43:16,582 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 760 transitions. [2025-02-08 09:43:16,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2025-02-08 09:43:16,583 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:43:16,583 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:43:16,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-08 09:43:16,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-02-08 09:43:16,784 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:43:16,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:43:16,784 INFO L85 PathProgramCache]: Analyzing trace with hash -6438331, now seen corresponding path program 1 times [2025-02-08 09:43:16,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:43:16,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894336946] [2025-02-08 09:43:16,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:16,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:43:16,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-02-08 09:43:16,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-02-08 09:43:16,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:16,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:43:16,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665818700] [2025-02-08 09:43:16,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:16,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:16,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:43:16,801 INFO L229 MonitoredProcess]: Starting monitored process 27 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 09:43:16,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:43:16,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 130 statements into 1 equivalence classes. [2025-02-08 09:43:16,853 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 130 of 130 statements. [2025-02-08 09:43:16,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:16,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:16,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:43:16,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:43:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 474 trivial. 0 not checked. [2025-02-08 09:43:16,976 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:43:16,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:16,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894336946] [2025-02-08 09:43:16,976 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:43:16,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665818700] [2025-02-08 09:43:16,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665818700] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:43:16,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:43:16,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:43:16,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121603886] [2025-02-08 09:43:16,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:43:16,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:43:16,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:16,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:43:16,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:43:16,979 INFO L87 Difference]: Start difference. First operand 603 states and 760 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:43:17,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:43:17,043 INFO L93 Difference]: Finished difference Result 603 states and 760 transitions. [2025-02-08 09:43:17,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:43:17,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 130 [2025-02-08 09:43:17,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:43:17,045 INFO L225 Difference]: With dead ends: 603 [2025-02-08 09:43:17,045 INFO L226 Difference]: Without dead ends: 601 [2025-02-08 09:43:17,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 127 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 09:43:17,046 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 28 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 51 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 09:43:17,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 51 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:43:17,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2025-02-08 09:43:17,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 454. [2025-02-08 09:43:17,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 380 states have (on average 1.1342105263157896) internal successors, (431), 387 states have internal predecessors, (431), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-08 09:43:17,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 561 transitions. [2025-02-08 09:43:17,098 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 561 transitions. Word has length 130 [2025-02-08 09:43:17,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:43:17,098 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 561 transitions. [2025-02-08 09:43:17,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:43:17,098 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 561 transitions. [2025-02-08 09:43:17,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-02-08 09:43:17,099 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:43:17,099 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:43:17,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-08 09:43:17,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:17,299 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:43:17,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:43:17,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1003591396, now seen corresponding path program 1 times [2025-02-08 09:43:17,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:43:17,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668979298] [2025-02-08 09:43:17,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:17,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:43:17,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-08 09:43:17,318 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-08 09:43:17,318 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:17,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:43:17,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [375323534] [2025-02-08 09:43:17,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:17,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:17,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:43:17,322 INFO L229 MonitoredProcess]: Starting monitored process 28 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 09:43:17,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:43:17,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-08 09:43:17,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-08 09:43:17,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:17,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:17,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-08 09:43:17,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:43:17,765 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-02-08 09:43:17,765 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:43:18,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:18,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668979298] [2025-02-08 09:43:18,113 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:43:18,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375323534] [2025-02-08 09:43:18,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375323534] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:18,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:43:18,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:43:18,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022128443] [2025-02-08 09:43:18,113 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:43:18,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:43:18,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:18,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:43:18,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:43:18,114 INFO L87 Difference]: Start difference. First operand 454 states and 561 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-02-08 09:43:18,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:43:18,546 INFO L93 Difference]: Finished difference Result 458 states and 565 transitions. [2025-02-08 09:43:18,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:43:18,547 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 137 [2025-02-08 09:43:18,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:43:18,548 INFO L225 Difference]: With dead ends: 458 [2025-02-08 09:43:18,548 INFO L226 Difference]: Without dead ends: 457 [2025-02-08 09:43:18,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:43:18,549 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 9 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 808 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:43:18,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 273 Invalid, 808 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 808 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:43:18,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2025-02-08 09:43:18,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 455. [2025-02-08 09:43:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 381 states have (on average 1.1338582677165354) internal successors, (432), 388 states have internal predecessors, (432), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-08 09:43:18,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 562 transitions. [2025-02-08 09:43:18,587 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 562 transitions. Word has length 137 [2025-02-08 09:43:18,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:43:18,587 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 562 transitions. [2025-02-08 09:43:18,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 12 states have internal predecessors, (65), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2025-02-08 09:43:18,587 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 562 transitions. [2025-02-08 09:43:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-02-08 09:43:18,589 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:43:18,590 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:43:18,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-08 09:43:18,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-08 09:43:18,793 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:43:18,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:43:18,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1046562227, now seen corresponding path program 1 times [2025-02-08 09:43:18,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:43:18,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384151382] [2025-02-08 09:43:18,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:18,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:43:18,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-08 09:43:18,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 09:43:18,814 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:18,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:43:18,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1201770236] [2025-02-08 09:43:18,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:18,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:18,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:43:18,821 INFO L229 MonitoredProcess]: Starting monitored process 29 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 09:43:18,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:43:18,852 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-08 09:43:18,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 09:43:18,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:18,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:18,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-02-08 09:43:18,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:43:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-02-08 09:43:19,363 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:43:19,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:19,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384151382] [2025-02-08 09:43:19,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:43:19,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201770236] [2025-02-08 09:43:19,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201770236] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:19,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:43:19,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-02-08 09:43:19,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277301902] [2025-02-08 09:43:19,669 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:43:19,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-08 09:43:19,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:19,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-08 09:43:19,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:43:19,669 INFO L87 Difference]: Start difference. First operand 455 states and 562 transitions. Second operand has 15 states, 14 states have (on average 4.714285714285714) internal successors, (66), 15 states have internal predecessors, (66), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-08 09:43:20,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:43:20,194 INFO L93 Difference]: Finished difference Result 463 states and 569 transitions. [2025-02-08 09:43:20,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:43:20,194 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.714285714285714) internal successors, (66), 15 states have internal predecessors, (66), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 138 [2025-02-08 09:43:20,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:43:20,196 INFO L225 Difference]: With dead ends: 463 [2025-02-08 09:43:20,196 INFO L226 Difference]: Without dead ends: 458 [2025-02-08 09:43:20,196 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:43:20,197 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 33 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:43:20,197 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 325 Invalid, 900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:43:20,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2025-02-08 09:43:20,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 455. [2025-02-08 09:43:20,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 455 states, 381 states have (on average 1.1286089238845145) internal successors, (430), 388 states have internal predecessors, (430), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-08 09:43:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 560 transitions. [2025-02-08 09:43:20,234 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 560 transitions. Word has length 138 [2025-02-08 09:43:20,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:43:20,245 INFO L471 AbstractCegarLoop]: Abstraction has 455 states and 560 transitions. [2025-02-08 09:43:20,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.714285714285714) internal successors, (66), 15 states have internal predecessors, (66), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-08 09:43:20,245 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 560 transitions. [2025-02-08 09:43:20,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-02-08 09:43:20,246 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:43:20,246 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 09:43:20,256 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-08 09:43:20,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-08 09:43:20,447 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:43:20,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:43:20,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1134268287, now seen corresponding path program 3 times [2025-02-08 09:43:20,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:43:20,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119637588] [2025-02-08 09:43:20,448 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:43:20,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:43:20,452 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 141 statements into 9 equivalence classes. [2025-02-08 09:43:20,469 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 141 of 141 statements. [2025-02-08 09:43:20,469 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-02-08 09:43:20,469 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:43:20,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [516620930] [2025-02-08 09:43:20,470 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:43:20,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:20,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:43:20,472 INFO L229 MonitoredProcess]: Starting monitored process 30 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 09:43:20,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:43:20,500 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 141 statements into 9 equivalence classes. [2025-02-08 09:43:20,516 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 67 of 141 statements. [2025-02-08 09:43:20,517 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-08 09:43:20,517 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:20,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:43:20,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:43:20,855 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 99 proven. 26 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2025-02-08 09:43:20,856 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:43:20,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:20,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119637588] [2025-02-08 09:43:20,994 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:43:20,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516620930] [2025-02-08 09:43:20,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516620930] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:20,994 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:43:20,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:43:20,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623858022] [2025-02-08 09:43:20,995 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:43:20,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:43:20,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:20,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:43:20,995 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:43:20,995 INFO L87 Difference]: Start difference. First operand 455 states and 560 transitions. Second operand has 11 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-02-08 09:43:21,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:43:21,512 INFO L93 Difference]: Finished difference Result 463 states and 569 transitions. [2025-02-08 09:43:21,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:43:21,513 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 141 [2025-02-08 09:43:21,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:43:21,518 INFO L225 Difference]: With dead ends: 463 [2025-02-08 09:43:21,518 INFO L226 Difference]: Without dead ends: 460 [2025-02-08 09:43:21,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=630, Unknown=0, NotChecked=0, Total=812 [2025-02-08 09:43:21,520 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 148 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:43:21,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 214 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:43:21,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2025-02-08 09:43:21,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 407. [2025-02-08 09:43:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 342 states have (on average 1.0994152046783625) internal successors, (376), 346 states have internal predecessors, (376), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-08 09:43:21,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 494 transitions. [2025-02-08 09:43:21,579 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 494 transitions. Word has length 141 [2025-02-08 09:43:21,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:43:21,580 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 494 transitions. [2025-02-08 09:43:21,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.8) internal successors, (58), 10 states have internal predecessors, (58), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2025-02-08 09:43:21,580 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 494 transitions. [2025-02-08 09:43:21,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-02-08 09:43:21,581 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:43:21,581 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:43:21,588 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-02-08 09:43:21,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-08 09:43:21,782 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:43:21,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:43:21,783 INFO L85 PathProgramCache]: Analyzing trace with hash -802578552, now seen corresponding path program 1 times [2025-02-08 09:43:21,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:43:21,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046045929] [2025-02-08 09:43:21,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:21,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:43:21,787 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-08 09:43:21,799 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-08 09:43:21,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:21,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:43:21,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [283446519] [2025-02-08 09:43:21,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:21,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:21,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:43:21,806 INFO L229 MonitoredProcess]: Starting monitored process 31 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 09:43:21,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 09:43:21,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-02-08 09:43:21,868 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-02-08 09:43:21,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:21,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:21,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-02-08 09:43:21,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:43:22,446 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-02-08 09:43:22,446 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:43:23,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:23,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046045929] [2025-02-08 09:43:23,246 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:43:23,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283446519] [2025-02-08 09:43:23,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283446519] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:23,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:43:23,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2025-02-08 09:43:23,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095029390] [2025-02-08 09:43:23,246 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:43:23,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:43:23,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:23,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:43:23,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:43:23,247 INFO L87 Difference]: Start difference. First operand 407 states and 494 transitions. Second operand has 17 states, 16 states have (on average 4.375) internal successors, (70), 17 states have internal predecessors, (70), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-08 09:43:23,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:43:23,806 INFO L93 Difference]: Finished difference Result 412 states and 498 transitions. [2025-02-08 09:43:23,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:43:23,807 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.375) internal successors, (70), 17 states have internal predecessors, (70), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) Word has length 142 [2025-02-08 09:43:23,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:43:23,808 INFO L225 Difference]: With dead ends: 412 [2025-02-08 09:43:23,809 INFO L226 Difference]: Without dead ends: 409 [2025-02-08 09:43:23,809 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=175, Invalid=475, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:43:23,809 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 36 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:43:23,809 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 319 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:43:23,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2025-02-08 09:43:23,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 405. [2025-02-08 09:43:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 340 states have (on average 1.0970588235294119) internal successors, (373), 344 states have internal predecessors, (373), 59 states have call successors, (59), 1 states have call predecessors, (59), 1 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-08 09:43:23,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 491 transitions. [2025-02-08 09:43:23,878 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 491 transitions. Word has length 142 [2025-02-08 09:43:23,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:43:23,879 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 491 transitions. [2025-02-08 09:43:23,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.375) internal successors, (70), 17 states have internal predecessors, (70), 6 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 6 states have call predecessors, (15), 6 states have call successors, (15) [2025-02-08 09:43:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 491 transitions. [2025-02-08 09:43:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-02-08 09:43:23,883 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:43:23,883 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 09:43:23,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-02-08 09:43:24,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-08 09:43:24,084 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:43:24,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:43:24,085 INFO L85 PathProgramCache]: Analyzing trace with hash 64306470, now seen corresponding path program 1 times [2025-02-08 09:43:24,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:43:24,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291947844] [2025-02-08 09:43:24,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:24,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:43:24,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-08 09:43:24,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-08 09:43:24,099 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:24,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:24,372 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 3 proven. 86 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-02-08 09:43:24,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:24,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291947844] [2025-02-08 09:43:24,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291947844] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:24,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622901585] [2025-02-08 09:43:24,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:24,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:24,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:43:24,376 INFO L229 MonitoredProcess]: Starting monitored process 32 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 09:43:24,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-08 09:43:24,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-02-08 09:43:24,431 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-02-08 09:43:24,432 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:24,432 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:24,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-08 09:43:24,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:43:25,046 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 15 proven. 74 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2025-02-08 09:43:25,046 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:43:25,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622901585] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:25,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:43:25,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 24 [2025-02-08 09:43:25,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172019445] [2025-02-08 09:43:25,346 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:43:25,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-02-08 09:43:25,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:25,347 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-02-08 09:43:25,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=656, Unknown=0, NotChecked=0, Total=756 [2025-02-08 09:43:25,347 INFO L87 Difference]: Start difference. First operand 405 states and 491 transitions. Second operand has 25 states, 24 states have (on average 6.291666666666667) internal successors, (151), 25 states have internal predecessors, (151), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) [2025-02-08 09:43:26,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:43:26,850 INFO L93 Difference]: Finished difference Result 601 states and 729 transitions. [2025-02-08 09:43:26,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-02-08 09:43:26,850 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.291666666666667) internal successors, (151), 25 states have internal predecessors, (151), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) Word has length 150 [2025-02-08 09:43:26,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:43:26,852 INFO L225 Difference]: With dead ends: 601 [2025-02-08 09:43:26,852 INFO L226 Difference]: Without dead ends: 600 [2025-02-08 09:43:26,853 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=388, Invalid=1774, Unknown=0, NotChecked=0, Total=2162 [2025-02-08 09:43:26,853 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 514 mSDsluCounter, 689 mSDsCounter, 0 mSdLazyCounter, 1265 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 748 SdHoareTripleChecker+Invalid, 1350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:43:26,853 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 748 Invalid, 1350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1265 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 09:43:26,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2025-02-08 09:43:26,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 462. [2025-02-08 09:43:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 462 states, 391 states have (on average 1.10230179028133) internal successors, (431), 395 states have internal predecessors, (431), 65 states have call successors, (65), 1 states have call predecessors, (65), 1 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-08 09:43:26,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 561 transitions. [2025-02-08 09:43:26,903 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 561 transitions. Word has length 150 [2025-02-08 09:43:26,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:43:26,903 INFO L471 AbstractCegarLoop]: Abstraction has 462 states and 561 transitions. [2025-02-08 09:43:26,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.291666666666667) internal successors, (151), 25 states have internal predecessors, (151), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) [2025-02-08 09:43:26,903 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 561 transitions. [2025-02-08 09:43:26,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2025-02-08 09:43:26,904 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:43:26,904 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:43:26,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2025-02-08 09:43:27,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-08 09:43:27,105 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:43:27,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:43:27,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1567212383, now seen corresponding path program 2 times [2025-02-08 09:43:27,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:43:27,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042898629] [2025-02-08 09:43:27,106 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:43:27,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:43:27,111 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 161 statements into 2 equivalence classes. [2025-02-08 09:43:27,118 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 161 of 161 statements. [2025-02-08 09:43:27,118 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:43:27,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 25 proven. 64 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-08 09:43:27,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:27,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042898629] [2025-02-08 09:43:27,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042898629] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:27,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749804991] [2025-02-08 09:43:27,269 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:43:27,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:27,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:43:27,271 INFO L229 MonitoredProcess]: Starting monitored process 33 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 09:43:27,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-08 09:43:27,300 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 161 statements into 2 equivalence classes. [2025-02-08 09:43:27,327 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 161 of 161 statements. [2025-02-08 09:43:27,327 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:43:27,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:27,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:43:27,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:43:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-08 09:43:27,533 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:43:27,748 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 54 proven. 35 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-08 09:43:27,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749804991] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:43:27,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:43:27,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11, 6] total 16 [2025-02-08 09:43:27,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465189554] [2025-02-08 09:43:27,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:43:27,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:43:27,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:27,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:43:27,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:43:27,750 INFO L87 Difference]: Start difference. First operand 462 states and 561 transitions. Second operand has 16 states, 16 states have (on average 9.4375) internal successors, (151), 16 states have internal predecessors, (151), 11 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) [2025-02-08 09:43:28,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:43:28,108 INFO L93 Difference]: Finished difference Result 525 states and 633 transitions. [2025-02-08 09:43:28,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:43:28,109 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.4375) internal successors, (151), 16 states have internal predecessors, (151), 11 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) Word has length 161 [2025-02-08 09:43:28,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:43:28,111 INFO L225 Difference]: With dead ends: 525 [2025-02-08 09:43:28,111 INFO L226 Difference]: Without dead ends: 519 [2025-02-08 09:43:28,111 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 308 SyntacticMatches, 8 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:43:28,111 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 76 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:43:28,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 373 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:43:28,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2025-02-08 09:43:28,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 491. [2025-02-08 09:43:28,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 491 states, 416 states have (on average 1.0961538461538463) internal successors, (456), 420 states have internal predecessors, (456), 69 states have call successors, (69), 1 states have call predecessors, (69), 1 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-02-08 09:43:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 594 transitions. [2025-02-08 09:43:28,219 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 594 transitions. Word has length 161 [2025-02-08 09:43:28,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:43:28,220 INFO L471 AbstractCegarLoop]: Abstraction has 491 states and 594 transitions. [2025-02-08 09:43:28,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.4375) internal successors, (151), 16 states have internal predecessors, (151), 11 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 11 states have call predecessors, (39), 11 states have call successors, (39) [2025-02-08 09:43:28,220 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 594 transitions. [2025-02-08 09:43:28,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-02-08 09:43:28,221 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:43:28,221 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:43:28,232 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-02-08 09:43:28,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-02-08 09:43:28,422 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:43:28,422 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:43:28,422 INFO L85 PathProgramCache]: Analyzing trace with hash 1373093276, now seen corresponding path program 1 times [2025-02-08 09:43:28,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:43:28,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488936146] [2025-02-08 09:43:28,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:28,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:43:28,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-02-08 09:43:28,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-02-08 09:43:28,433 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:28,433 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:28,686 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 40 proven. 60 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:43:28,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:28,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488936146] [2025-02-08 09:43:28,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488936146] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:28,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1860827113] [2025-02-08 09:43:28,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:28,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:28,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:43:28,688 INFO L229 MonitoredProcess]: Starting monitored process 34 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 09:43:28,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-08 09:43:28,716 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-02-08 09:43:28,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-02-08 09:43:28,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:28,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:28,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-08 09:43:28,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:43:29,229 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 13 proven. 87 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:43:29,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:43:29,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1860827113] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:29,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:43:29,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 12] total 18 [2025-02-08 09:43:29,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565999924] [2025-02-08 09:43:29,341 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:43:29,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-08 09:43:29,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:29,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-08 09:43:29,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=322, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:43:29,342 INFO L87 Difference]: Start difference. First operand 491 states and 594 transitions. Second operand has 18 states, 18 states have (on average 8.722222222222221) internal successors, (157), 18 states have internal predecessors, (157), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2025-02-08 09:43:29,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:43:29,865 INFO L93 Difference]: Finished difference Result 503 states and 602 transitions. [2025-02-08 09:43:29,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:43:29,865 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 8.722222222222221) internal successors, (157), 18 states have internal predecessors, (157), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) Word has length 163 [2025-02-08 09:43:29,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:43:29,867 INFO L225 Difference]: With dead ends: 503 [2025-02-08 09:43:29,867 INFO L226 Difference]: Without dead ends: 312 [2025-02-08 09:43:29,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=134, Invalid=858, Unknown=0, NotChecked=0, Total=992 [2025-02-08 09:43:29,868 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 54 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 702 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:43:29,868 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 416 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 702 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:43:29,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-02-08 09:43:29,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2025-02-08 09:43:29,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 257 states have (on average 1.0856031128404668) internal successors, (279), 261 states have internal predecessors, (279), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2025-02-08 09:43:29,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 377 transitions. [2025-02-08 09:43:29,923 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 377 transitions. Word has length 163 [2025-02-08 09:43:29,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:43:29,923 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 377 transitions. [2025-02-08 09:43:29,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.722222222222221) internal successors, (157), 18 states have internal predecessors, (157), 11 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 11 states have call predecessors, (34), 11 states have call successors, (34) [2025-02-08 09:43:29,923 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 377 transitions. [2025-02-08 09:43:29,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-08 09:43:29,924 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:43:29,924 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:43:29,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-02-08 09:43:30,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:30,125 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:43:30,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:43:30,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1462073229, now seen corresponding path program 1 times [2025-02-08 09:43:30,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:43:30,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465884508] [2025-02-08 09:43:30,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:30,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:43:30,130 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 09:43:30,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 09:43:30,137 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:30,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:30,492 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-08 09:43:30,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:30,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465884508] [2025-02-08 09:43:30,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465884508] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:30,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010215625] [2025-02-08 09:43:30,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:43:30,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:30,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:43:30,496 INFO L229 MonitoredProcess]: Starting monitored process 35 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 09:43:30,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-08 09:43:30,532 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 09:43:30,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 09:43:30,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:43:30,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:30,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-08 09:43:30,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:43:30,996 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-08 09:43:30,997 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:43:34,488 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-08 09:43:34,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010215625] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:43:34,489 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:43:34,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 8] total 29 [2025-02-08 09:43:34,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672096629] [2025-02-08 09:43:34,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:43:34,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-02-08 09:43:34,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:34,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-02-08 09:43:34,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=593, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:43:34,492 INFO L87 Difference]: Start difference. First operand 312 states and 377 transitions. Second operand has 30 states, 29 states have (on average 8.03448275862069) internal successors, (233), 30 states have internal predecessors, (233), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2025-02-08 09:43:38,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:43:38,290 INFO L93 Difference]: Finished difference Result 956 states and 1144 transitions. [2025-02-08 09:43:38,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-02-08 09:43:38,290 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 8.03448275862069) internal successors, (233), 30 states have internal predecessors, (233), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) Word has length 168 [2025-02-08 09:43:38,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:43:38,293 INFO L225 Difference]: With dead ends: 956 [2025-02-08 09:43:38,293 INFO L226 Difference]: Without dead ends: 891 [2025-02-08 09:43:38,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1050 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1154, Invalid=2038, Unknown=0, NotChecked=0, Total=3192 [2025-02-08 09:43:38,295 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 776 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 1524 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 1719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:43:38,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 865 Invalid, 1719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 1524 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 09:43:38,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2025-02-08 09:43:38,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 628. [2025-02-08 09:43:38,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 533 states have (on average 1.0881801125703565) internal successors, (580), 537 states have internal predecessors, (580), 89 states have call successors, (89), 1 states have call predecessors, (89), 1 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2025-02-08 09:43:38,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 758 transitions. [2025-02-08 09:43:38,405 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 758 transitions. Word has length 168 [2025-02-08 09:43:38,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:43:38,405 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 758 transitions. [2025-02-08 09:43:38,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 8.03448275862069) internal successors, (233), 30 states have internal predecessors, (233), 18 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 18 states have call predecessors, (54), 18 states have call successors, (54) [2025-02-08 09:43:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 758 transitions. [2025-02-08 09:43:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-08 09:43:38,407 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:43:38,407 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2025-02-08 09:43:38,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2025-02-08 09:43:38,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:38,608 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:43:38,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:43:38,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1483654344, now seen corresponding path program 2 times [2025-02-08 09:43:38,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:43:38,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075230213] [2025-02-08 09:43:38,608 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:43:38,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:43:38,617 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 173 statements into 2 equivalence classes. [2025-02-08 09:43:38,628 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 09:43:38,629 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:43:38,629 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:38,933 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 3 proven. 115 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-08 09:43:38,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:38,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075230213] [2025-02-08 09:43:38,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075230213] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:38,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018602262] [2025-02-08 09:43:38,934 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:43:38,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:38,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:43:38,936 INFO L229 MonitoredProcess]: Starting monitored process 36 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 09:43:38,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-08 09:43:38,973 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 173 statements into 2 equivalence classes. [2025-02-08 09:43:39,001 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 09:43:39,001 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:43:39,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:39,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-08 09:43:39,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:43:39,687 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2025-02-08 09:43:39,687 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:43:40,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018602262] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:40,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:43:40,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14] total 26 [2025-02-08 09:43:40,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826854591] [2025-02-08 09:43:40,000 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:43:40,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-02-08 09:43:40,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:40,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-02-08 09:43:40,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=737, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:43:40,001 INFO L87 Difference]: Start difference. First operand 628 states and 758 transitions. Second operand has 27 states, 26 states have (on average 6.423076923076923) internal successors, (167), 27 states have internal predecessors, (167), 14 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) [2025-02-08 09:43:41,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:43:41,518 INFO L93 Difference]: Finished difference Result 1142 states and 1388 transitions. [2025-02-08 09:43:41,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-02-08 09:43:41,518 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 6.423076923076923) internal successors, (167), 27 states have internal predecessors, (167), 14 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) Word has length 173 [2025-02-08 09:43:41,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:43:41,521 INFO L225 Difference]: With dead ends: 1142 [2025-02-08 09:43:41,521 INFO L226 Difference]: Without dead ends: 914 [2025-02-08 09:43:41,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 855 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=671, Invalid=2521, Unknown=0, NotChecked=0, Total=3192 [2025-02-08 09:43:41,523 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 729 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 1492 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 1492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:43:41,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 729 Invalid, 1620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 1492 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 09:43:41,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2025-02-08 09:43:41,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 763. [2025-02-08 09:43:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 652 states have (on average 1.093558282208589) internal successors, (713), 656 states have internal predecessors, (713), 105 states have call successors, (105), 1 states have call predecessors, (105), 1 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-02-08 09:43:41,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 923 transitions. [2025-02-08 09:43:41,676 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 923 transitions. Word has length 173 [2025-02-08 09:43:41,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:43:41,676 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 923 transitions. [2025-02-08 09:43:41,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 6.423076923076923) internal successors, (167), 27 states have internal predecessors, (167), 14 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 14 states have call predecessors, (36), 14 states have call successors, (36) [2025-02-08 09:43:41,676 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 923 transitions. [2025-02-08 09:43:41,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-02-08 09:43:41,678 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:43:41,678 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2025-02-08 09:43:41,684 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-02-08 09:43:41,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2025-02-08 09:43:41,879 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2025-02-08 09:43:41,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:43:41,880 INFO L85 PathProgramCache]: Analyzing trace with hash -897279894, now seen corresponding path program 2 times [2025-02-08 09:43:41,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:43:41,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855929635] [2025-02-08 09:43:41,880 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:43:41,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:43:41,885 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 195 statements into 2 equivalence classes. [2025-02-08 09:43:41,892 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 195 of 195 statements. [2025-02-08 09:43:41,892 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:43:41,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:42,293 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 28 proven. 57 refuted. 0 times theorem prover too weak. 906 trivial. 0 not checked. [2025-02-08 09:43:42,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:43:42,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855929635] [2025-02-08 09:43:42,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855929635] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:43:42,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104235857] [2025-02-08 09:43:42,294 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:43:42,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:43:42,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:43:42,298 INFO L229 MonitoredProcess]: Starting monitored process 37 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 09:43:42,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-08 09:43:42,331 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 195 statements into 2 equivalence classes. [2025-02-08 09:43:42,364 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 195 of 195 statements. [2025-02-08 09:43:42,364 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:43:42,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:43:42,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-02-08 09:43:42,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:43:43,208 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-02-08 09:43:43,208 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:43:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 151 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2025-02-08 09:43:50,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104235857] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:43:50,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:43:50,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 20, 16] total 45 [2025-02-08 09:43:50,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994347825] [2025-02-08 09:43:50,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:43:50,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2025-02-08 09:43:50,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:43:50,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2025-02-08 09:43:50,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=562, Invalid=1508, Unknown=0, NotChecked=0, Total=2070 [2025-02-08 09:43:50,436 INFO L87 Difference]: Start difference. First operand 763 states and 923 transitions. Second operand has 46 states, 45 states have (on average 5.466666666666667) internal successors, (246), 46 states have internal predecessors, (246), 20 states have call successors, (54), 1 states have call predecessors, (54), 1 states have return successors, (54), 20 states have call predecessors, (54), 20 states have call successors, (54)