./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/Mysore-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted/Mysore-3.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 6edfc33d3e5e116b8b5f39fddb65c59ef052d6dfaffe394b38d04501128bfe34 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:25:02,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:25:02,770 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-06 13:25:02,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:25:02,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:25:02,790 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:25:02,791 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:25:02,791 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:25:02,791 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:25:02,791 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:25:02,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:25:02,791 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:25:02,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:25:02,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:25:02,792 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:25:02,792 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:25:02,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:25:02,792 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:25:02,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:25:02,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:25:02,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:25:02,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:25:02,793 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:25:02,793 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:25:02,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:25:02,793 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:25:02,793 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:25:02,793 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:25:02,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:25:02,793 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:25:02,793 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:25:02,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:25:02,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:25:02,794 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:25:02,794 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:25:02,794 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:25:02,794 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:25:02,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:25:02,794 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:25:02,794 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:25:02,794 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:25:02,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:25:02,794 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6edfc33d3e5e116b8b5f39fddb65c59ef052d6dfaffe394b38d04501128bfe34 [2025-02-06 13:25:03,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:25:03,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:25:03,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:25:03,025 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:25:03,025 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:25:03,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Mysore-3.c [2025-02-06 13:25:04,245 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/549744c48/aa0b3772c96a4f4cbe69800cd98e25dc/FLAGf2d50a4e0 [2025-02-06 13:25:04,527 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:25:04,528 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted/Mysore-3.c [2025-02-06 13:25:04,557 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/549744c48/aa0b3772c96a4f4cbe69800cd98e25dc/FLAGf2d50a4e0 [2025-02-06 13:25:04,588 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/549744c48/aa0b3772c96a4f4cbe69800cd98e25dc [2025-02-06 13:25:04,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:25:04,593 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:25:04,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:25:04,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:25:04,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:25:04,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6e1718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04, skipping insertion in model container [2025-02-06 13:25:04,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:25:04,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:25:04,753 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:25:04,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:25:04,778 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:25:04,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04 WrapperNode [2025-02-06 13:25:04,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:25:04,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:25:04,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:25:04,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:25:04,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,800 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 32 [2025-02-06 13:25:04,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:25:04,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:25:04,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:25:04,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:25:04,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,817 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-06 13:25:04,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,819 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,822 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:25:04,823 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:25:04,824 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:25:04,825 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:25:04,825 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04" (1/1) ... [2025-02-06 13:25:04,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:25:04,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:25:04,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 13:25:04,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 13:25:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:25:04,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:25:04,947 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:25:04,949 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:25:05,079 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2025-02-06 13:25:05,081 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:25:05,089 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:25:05,090 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:25:05,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:25:05 BoogieIcfgContainer [2025-02-06 13:25:05,090 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:25:05,094 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:25:05,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:25:05,099 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:25:05,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:25:04" (1/3) ... [2025-02-06 13:25:05,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4814160f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:25:05, skipping insertion in model container [2025-02-06 13:25:05,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:25:04" (2/3) ... [2025-02-06 13:25:05,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4814160f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:25:05, skipping insertion in model container [2025-02-06 13:25:05,101 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:25:05" (3/3) ... [2025-02-06 13:25:05,103 INFO L128 eAbstractionObserver]: Analyzing ICFG Mysore-3.c [2025-02-06 13:25:05,117 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:25:05,119 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Mysore-3.c that has 1 procedures, 23 locations, 1 initial locations, 1 loop locations, and 6 error locations. [2025-02-06 13:25:05,173 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:25:05,187 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;@634dc8d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:25:05,188 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-06 13:25:05,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.6875) internal successors, (27), 22 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 13:25:05,196 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:05,197 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:05,197 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:05,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:05,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1620812245, now seen corresponding path program 1 times [2025-02-06 13:25:05,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:05,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179424154] [2025-02-06 13:25:05,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:05,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:05,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 13:25:05,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 13:25:05,276 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:05,276 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:05,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:05,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:05,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179424154] [2025-02-06 13:25:05,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179424154] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:25:05,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:25:05,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:25:05,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941204582] [2025-02-06 13:25:05,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:25:05,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:25:05,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:05,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:25:05,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:25:05,378 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.6875) internal successors, (27), 22 states have internal predecessors, (27), 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) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:05,462 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2025-02-06 13:25:05,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:25:05,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2025-02-06 13:25:05,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:05,468 INFO L225 Difference]: With dead ends: 39 [2025-02-06 13:25:05,468 INFO L226 Difference]: Without dead ends: 28 [2025-02-06 13:25:05,470 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:25:05,472 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 16 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:25:05,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 21 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:25:05,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2025-02-06 13:25:05,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 21. [2025-02-06 13:25:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.4) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2025-02-06 13:25:05,501 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 7 [2025-02-06 13:25:05,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:05,501 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2025-02-06 13:25:05,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,501 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2025-02-06 13:25:05,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-06 13:25:05,503 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:05,503 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:05,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 13:25:05,506 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:05,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:05,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1294427974, now seen corresponding path program 1 times [2025-02-06 13:25:05,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:05,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965214254] [2025-02-06 13:25:05,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:05,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:05,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-06 13:25:05,519 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-06 13:25:05,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:05,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:05,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:05,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:05,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965214254] [2025-02-06 13:25:05,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965214254] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:25:05,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:25:05,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:25:05,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420020732] [2025-02-06 13:25:05,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:25:05,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:25:05,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:05,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:25:05,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:25:05,572 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:05,621 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2025-02-06 13:25:05,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:25:05,623 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2025-02-06 13:25:05,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:05,623 INFO L225 Difference]: With dead ends: 26 [2025-02-06 13:25:05,623 INFO L226 Difference]: Without dead ends: 25 [2025-02-06 13:25:05,623 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:25:05,624 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 9 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:25:05,624 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 20 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:25:05,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2025-02-06 13:25:05,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 22. [2025-02-06 13:25:05,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 21 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2025-02-06 13:25:05,628 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 8 [2025-02-06 13:25:05,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:05,628 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2025-02-06 13:25:05,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,628 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2025-02-06 13:25:05,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-06 13:25:05,629 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:05,629 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:05,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:25:05,629 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:05,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:05,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1595232216, now seen corresponding path program 1 times [2025-02-06 13:25:05,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:05,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901386750] [2025-02-06 13:25:05,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:05,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:05,633 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 13:25:05,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 13:25:05,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:05,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:05,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:05,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:05,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901386750] [2025-02-06 13:25:05,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901386750] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:25:05,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:25:05,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:25:05,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407177742] [2025-02-06 13:25:05,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:25:05,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:25:05,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:05,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:25:05,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:25:05,674 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:05,714 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2025-02-06 13:25:05,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:25:05,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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 10 [2025-02-06 13:25:05,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:05,715 INFO L225 Difference]: With dead ends: 36 [2025-02-06 13:25:05,715 INFO L226 Difference]: Without dead ends: 35 [2025-02-06 13:25:05,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:25:05,716 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 16 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 18 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 [2025-02-06 13:25:05,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 18 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:25:05,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-02-06 13:25:05,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 24. [2025-02-06 13:25:05,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 23 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2025-02-06 13:25:05,723 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 10 [2025-02-06 13:25:05,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:05,723 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2025-02-06 13:25:05,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,724 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2025-02-06 13:25:05,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-02-06 13:25:05,725 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:05,725 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:05,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:25:05,725 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:05,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:05,725 INFO L85 PathProgramCache]: Analyzing trace with hash -2087408879, now seen corresponding path program 1 times [2025-02-06 13:25:05,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:05,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553218638] [2025-02-06 13:25:05,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:05,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:05,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-02-06 13:25:05,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-02-06 13:25:05,735 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:05,735 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:05,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:05,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:05,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553218638] [2025-02-06 13:25:05,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553218638] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:25:05,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:25:05,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:25:05,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918010808] [2025-02-06 13:25:05,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:25:05,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:25:05,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:05,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:25:05,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:25:05,763 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:05,802 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2025-02-06 13:25:05,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:25:05,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2025-02-06 13:25:05,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:05,803 INFO L225 Difference]: With dead ends: 26 [2025-02-06 13:25:05,803 INFO L226 Difference]: Without dead ends: 25 [2025-02-06 13:25:05,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:25:05,807 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:25:05,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 21 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:25:05,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2025-02-06 13:25:05,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2025-02-06 13:25:05,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 24 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2025-02-06 13:25:05,810 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 11 [2025-02-06 13:25:05,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:05,810 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2025-02-06 13:25:05,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2025-02-06 13:25:05,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 13:25:05,810 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:05,810 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:05,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:25:05,813 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:05,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:05,814 INFO L85 PathProgramCache]: Analyzing trace with hash -285165834, now seen corresponding path program 1 times [2025-02-06 13:25:05,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:05,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683261215] [2025-02-06 13:25:05,814 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:05,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:05,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 13:25:05,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 13:25:05,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:05,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:05,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:05,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:05,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683261215] [2025-02-06 13:25:05,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683261215] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:25:05,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:25:05,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:25:05,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368723820] [2025-02-06 13:25:05,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:25:05,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:25:05,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:05,852 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:25:05,852 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:25:05,852 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:05,893 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2025-02-06 13:25:05,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:25:05,897 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-02-06 13:25:05,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:05,898 INFO L225 Difference]: With dead ends: 28 [2025-02-06 13:25:05,898 INFO L226 Difference]: Without dead ends: 27 [2025-02-06 13:25:05,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:25:05,899 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:25:05,903 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 13 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:25:05,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-02-06 13:25:05,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2025-02-06 13:25:05,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.3) internal successors, (26), 25 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2025-02-06 13:25:05,906 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 12 [2025-02-06 13:25:05,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:05,906 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2025-02-06 13:25:05,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,906 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2025-02-06 13:25:05,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-06 13:25:05,910 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:05,911 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:05,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 13:25:05,911 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:05,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:05,911 INFO L85 PathProgramCache]: Analyzing trace with hash -250206289, now seen corresponding path program 1 times [2025-02-06 13:25:05,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:05,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502543357] [2025-02-06 13:25:05,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:05,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:05,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-06 13:25:05,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-06 13:25:05,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:05,926 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:05,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:05,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502543357] [2025-02-06 13:25:05,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502543357] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:25:05,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:25:05,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:25:05,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101207900] [2025-02-06 13:25:05,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:25:05,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:25:05,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:05,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:25:05,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:25:05,961 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:05,994 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2025-02-06 13:25:05,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:25:05,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2025-02-06 13:25:05,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:05,995 INFO L225 Difference]: With dead ends: 26 [2025-02-06 13:25:05,995 INFO L226 Difference]: Without dead ends: 25 [2025-02-06 13:25:05,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:25:05,995 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:25:05,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:25:05,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2025-02-06 13:25:05,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2025-02-06 13:25:05,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 20 states have (on average 1.25) internal successors, (25), 24 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2025-02-06 13:25:05,998 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 13 [2025-02-06 13:25:05,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:05,998 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2025-02-06 13:25:05,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2025-02-06 13:25:05,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 13:25:05,999 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:05,999 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:05,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 13:25:05,999 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:06,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:06,000 INFO L85 PathProgramCache]: Analyzing trace with hash 69924429, now seen corresponding path program 1 times [2025-02-06 13:25:06,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:06,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629241610] [2025-02-06 13:25:06,000 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:06,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:06,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:25:06,006 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:25:06,007 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:06,007 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:06,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:06,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:06,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629241610] [2025-02-06 13:25:06,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629241610] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:25:06,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366863050] [2025-02-06 13:25:06,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:06,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:25:06,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:25:06,075 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:25:06,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 13:25:06,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:25:06,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:25:06,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:06,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:06,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:25:06,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:25:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:06,236 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:25:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:06,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366863050] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:25:06,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:25:06,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 13:25:06,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495815372] [2025-02-06 13:25:06,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:25:06,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:25:06,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:06,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:25:06,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:25:06,315 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand has 13 states, 12 states have (on average 2.75) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:06,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:06,409 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2025-02-06 13:25:06,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:25:06,410 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 13 states have internal predecessors, (33), 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 15 [2025-02-06 13:25:06,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:06,410 INFO L225 Difference]: With dead ends: 25 [2025-02-06 13:25:06,410 INFO L226 Difference]: Without dead ends: 23 [2025-02-06 13:25:06,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:25:06,411 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 17 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:25:06,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 14 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:25:06,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2025-02-06 13:25:06,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2025-02-06 13:25:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 20 states have (on average 1.15) internal successors, (23), 22 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:06,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2025-02-06 13:25:06,415 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 15 [2025-02-06 13:25:06,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:06,415 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2025-02-06 13:25:06,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 13 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:06,415 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2025-02-06 13:25:06,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 13:25:06,416 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:06,416 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:06,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 13:25:06,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:25:06,617 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:06,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:06,617 INFO L85 PathProgramCache]: Analyzing trace with hash -2127310014, now seen corresponding path program 1 times [2025-02-06 13:25:06,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:06,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617901414] [2025-02-06 13:25:06,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:06,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:06,622 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:25:06,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:25:06,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:06,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:06,662 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:06,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:06,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617901414] [2025-02-06 13:25:06,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617901414] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:25:06,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899261532] [2025-02-06 13:25:06,662 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:06,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:25:06,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:25:06,665 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:25:06,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 13:25:06,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:25:06,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:25:06,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:06,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:06,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:25:06,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:25:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:06,716 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:25:06,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:06,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899261532] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:25:06,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:25:06,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-02-06 13:25:06,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037697502] [2025-02-06 13:25:06,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:25:06,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:25:06,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:06,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:25:06,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:25:06,760 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:06,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:06,829 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2025-02-06 13:25:06,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:25:06,832 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 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 16 [2025-02-06 13:25:06,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:06,833 INFO L225 Difference]: With dead ends: 30 [2025-02-06 13:25:06,833 INFO L226 Difference]: Without dead ends: 29 [2025-02-06 13:25:06,833 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:25:06,833 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 32 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:25:06,833 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 9 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:25:06,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2025-02-06 13:25:06,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 22. [2025-02-06 13:25:06,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:06,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2025-02-06 13:25:06,838 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 16 [2025-02-06 13:25:06,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:06,838 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2025-02-06 13:25:06,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.285714285714286) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:06,838 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2025-02-06 13:25:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 13:25:06,839 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:06,839 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:06,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 13:25:07,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:25:07,041 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:07,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:07,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1844773769, now seen corresponding path program 1 times [2025-02-06 13:25:07,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:07,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528723788] [2025-02-06 13:25:07,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:07,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:07,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:25:07,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:25:07,048 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:07,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:07,094 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:07,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:07,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528723788] [2025-02-06 13:25:07,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528723788] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:25:07,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275566480] [2025-02-06 13:25:07,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:07,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:25:07,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:25:07,097 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:25:07,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 13:25:07,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:25:07,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:25:07,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:07,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:07,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:25:07,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:25:07,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:07,216 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:25:07,340 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:07,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275566480] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:25:07,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:25:07,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-06 13:25:07,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484431363] [2025-02-06 13:25:07,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:25:07,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 13:25:07,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:07,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 13:25:07,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:25:07,344 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 13 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:07,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:07,449 INFO L93 Difference]: Finished difference Result 39 states and 40 transitions. [2025-02-06 13:25:07,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:25:07,450 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 13 states have internal predecessors, (52), 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 19 [2025-02-06 13:25:07,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:07,450 INFO L225 Difference]: With dead ends: 39 [2025-02-06 13:25:07,450 INFO L226 Difference]: Without dead ends: 38 [2025-02-06 13:25:07,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2025-02-06 13:25:07,451 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 19 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:25:07,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 21 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:25:07,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2025-02-06 13:25:07,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2025-02-06 13:25:07,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 36 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:07,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2025-02-06 13:25:07,456 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 19 [2025-02-06 13:25:07,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:07,457 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2025-02-06 13:25:07,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.333333333333333) internal successors, (52), 13 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:07,457 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2025-02-06 13:25:07,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-06 13:25:07,457 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:07,457 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:07,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 13:25:07,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:25:07,658 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:07,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:07,658 INFO L85 PathProgramCache]: Analyzing trace with hash 1353411966, now seen corresponding path program 1 times [2025-02-06 13:25:07,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:07,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355941005] [2025-02-06 13:25:07,658 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:07,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:07,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 13:25:07,665 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 13:25:07,667 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:07,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:07,699 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:07,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:07,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355941005] [2025-02-06 13:25:07,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355941005] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:25:07,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966369246] [2025-02-06 13:25:07,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:25:07,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:25:07,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:25:07,702 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:25:07,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 13:25:07,724 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 13:25:07,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 13:25:07,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:25:07,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:07,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 13:25:07,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:25:07,757 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:07,758 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:25:07,800 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:07,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966369246] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:25:07,800 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:25:07,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 4, 4] total 7 [2025-02-06 13:25:07,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498717510] [2025-02-06 13:25:07,800 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:25:07,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:25:07,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:07,801 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:25:07,801 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:25:07,801 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:07,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:07,867 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2025-02-06 13:25:07,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:25:07,867 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 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 20 [2025-02-06 13:25:07,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:07,868 INFO L225 Difference]: With dead ends: 47 [2025-02-06 13:25:07,868 INFO L226 Difference]: Without dead ends: 46 [2025-02-06 13:25:07,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:25:07,868 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:25:07,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 20 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:25:07,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2025-02-06 13:25:07,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2025-02-06 13:25:07,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 44 states have (on average 1.0681818181818181) internal successors, (47), 45 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:07,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 47 transitions. [2025-02-06 13:25:07,872 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 47 transitions. Word has length 20 [2025-02-06 13:25:07,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:07,873 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 47 transitions. [2025-02-06 13:25:07,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.428571428571429) internal successors, (45), 8 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:07,873 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 47 transitions. [2025-02-06 13:25:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-06 13:25:07,873 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:07,873 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:07,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-06 13:25:08,075 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,SelfDestructingSolverStorable9 [2025-02-06 13:25:08,075 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:08,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:08,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1558301817, now seen corresponding path program 2 times [2025-02-06 13:25:08,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:08,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084055829] [2025-02-06 13:25:08,076 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:25:08,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:08,080 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 35 statements into 2 equivalence classes. [2025-02-06 13:25:08,086 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 13:25:08,086 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:25:08,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:08,185 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:08,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:08,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084055829] [2025-02-06 13:25:08,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084055829] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:25:08,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [331262695] [2025-02-06 13:25:08,186 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:25:08,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:25:08,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:25:08,188 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:25:08,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 13:25:08,204 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 35 statements into 2 equivalence classes. [2025-02-06 13:25:08,210 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 13:25:08,210 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 13:25:08,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:08,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:25:08,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:25:08,355 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:08,355 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:25:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:08,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [331262695] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:25:08,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:25:08,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 24 [2025-02-06 13:25:08,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360992460] [2025-02-06 13:25:08,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:25:08,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-02-06 13:25:08,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:08,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-02-06 13:25:08,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=423, Unknown=0, NotChecked=0, Total=600 [2025-02-06 13:25:08,566 INFO L87 Difference]: Start difference. First operand 46 states and 47 transitions. Second operand has 25 states, 24 states have (on average 4.166666666666667) internal successors, (100), 25 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:08,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:08,940 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions. [2025-02-06 13:25:08,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-06 13:25:08,940 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 4.166666666666667) internal successors, (100), 25 states have internal predecessors, (100), 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 35 [2025-02-06 13:25:08,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:08,944 INFO L225 Difference]: With dead ends: 72 [2025-02-06 13:25:08,945 INFO L226 Difference]: Without dead ends: 71 [2025-02-06 13:25:08,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 412 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=481, Invalid=925, Unknown=0, NotChecked=0, Total=1406 [2025-02-06 13:25:08,946 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 47 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:25:08,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 40 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:25:08,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2025-02-06 13:25:08,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 69. [2025-02-06 13:25:08,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 68 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:08,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 71 transitions. [2025-02-06 13:25:08,951 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 71 transitions. Word has length 35 [2025-02-06 13:25:08,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:08,951 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 71 transitions. [2025-02-06 13:25:08,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 4.166666666666667) internal successors, (100), 25 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:08,951 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 71 transitions. [2025-02-06 13:25:08,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 13:25:08,952 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:08,952 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:08,958 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 [2025-02-06 13:25:09,152 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 [2025-02-06 13:25:09,152 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:09,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:09,153 INFO L85 PathProgramCache]: Analyzing trace with hash 1399415062, now seen corresponding path program 2 times [2025-02-06 13:25:09,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:09,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215752240] [2025-02-06 13:25:09,153 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 13:25:09,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:09,157 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 44 statements into 2 equivalence classes. [2025-02-06 13:25:09,158 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 12 of 44 statements. [2025-02-06 13:25:09,158 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 13:25:09,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:09,178 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-02-06 13:25:09,181 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:09,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215752240] [2025-02-06 13:25:09,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215752240] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:25:09,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:25:09,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:25:09,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093711187] [2025-02-06 13:25:09,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:25:09,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:25:09,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:09,182 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:25:09,182 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:25:09,182 INFO L87 Difference]: Start difference. First operand 69 states and 71 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:09,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:09,215 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2025-02-06 13:25:09,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:25:09,215 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), 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 44 [2025-02-06 13:25:09,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:09,216 INFO L225 Difference]: With dead ends: 69 [2025-02-06 13:25:09,216 INFO L226 Difference]: Without dead ends: 68 [2025-02-06 13:25:09,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:25:09,216 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 7 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:25:09,216 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 10 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:25:09,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2025-02-06 13:25:09,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2025-02-06 13:25:09,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 67 states have (on average 1.0149253731343284) internal successors, (68), 67 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:09,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2025-02-06 13:25:09,222 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 44 [2025-02-06 13:25:09,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:09,222 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2025-02-06 13:25:09,223 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:09,223 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2025-02-06 13:25:09,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-06 13:25:09,225 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:09,225 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:09,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 13:25:09,226 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:09,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:09,226 INFO L85 PathProgramCache]: Analyzing trace with hash 210484825, now seen corresponding path program 3 times [2025-02-06 13:25:09,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:09,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78991169] [2025-02-06 13:25:09,226 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:25:09,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:09,231 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 8 equivalence classes. [2025-02-06 13:25:09,249 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 13:25:09,251 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-06 13:25:09,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:09,538 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:09,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:09,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78991169] [2025-02-06 13:25:09,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78991169] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:25:09,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [632986429] [2025-02-06 13:25:09,539 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 13:25:09,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:25:09,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:25:09,542 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:25:09,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 13:25:09,567 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 8 equivalence classes. [2025-02-06 13:25:09,583 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 67 of 67 statements. [2025-02-06 13:25:09,584 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-06 13:25:09,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:09,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 13:25:09,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:25:09,964 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:09,964 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:25:10,344 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:10,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [632986429] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:25:10,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:25:10,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 47 [2025-02-06 13:25:10,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166990314] [2025-02-06 13:25:10,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:25:10,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-02-06 13:25:10,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:10,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-02-06 13:25:10,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=540, Invalid=1716, Unknown=0, NotChecked=0, Total=2256 [2025-02-06 13:25:10,347 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand has 48 states, 47 states have (on average 4.0638297872340425) internal successors, (191), 48 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:11,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:11,230 INFO L93 Difference]: Finished difference Result 133 states and 140 transitions. [2025-02-06 13:25:11,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-02-06 13:25:11,230 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 4.0638297872340425) internal successors, (191), 48 states have internal predecessors, (191), 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 67 [2025-02-06 13:25:11,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:11,231 INFO L225 Difference]: With dead ends: 133 [2025-02-06 13:25:11,231 INFO L226 Difference]: Without dead ends: 132 [2025-02-06 13:25:11,233 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1922 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1722, Invalid=3978, Unknown=0, NotChecked=0, Total=5700 [2025-02-06 13:25:11,233 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 133 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:25:11,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 63 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:25:11,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2025-02-06 13:25:11,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2025-02-06 13:25:11,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 131 states have (on average 1.0076335877862594) internal successors, (132), 131 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:11,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2025-02-06 13:25:11,241 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 67 [2025-02-06 13:25:11,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:11,241 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2025-02-06 13:25:11,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 4.0638297872340425) internal successors, (191), 48 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:11,242 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2025-02-06 13:25:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-02-06 13:25:11,242 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:11,242 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 15, 15, 15, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:11,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 13:25:11,447 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,SelfDestructingSolverStorable12 [2025-02-06 13:25:11,447 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:11,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:11,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1008804377, now seen corresponding path program 4 times [2025-02-06 13:25:11,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:11,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672738839] [2025-02-06 13:25:11,448 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:25:11,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:11,453 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 131 statements into 2 equivalence classes. [2025-02-06 13:25:11,475 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 131 of 131 statements. [2025-02-06 13:25:11,475 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:25:11,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:12,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:12,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672738839] [2025-02-06 13:25:12,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672738839] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:25:12,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866497048] [2025-02-06 13:25:12,209 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 13:25:12,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:25:12,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:25:12,211 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:25:12,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 13:25:12,233 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 131 statements into 2 equivalence classes. [2025-02-06 13:25:12,250 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 131 of 131 statements. [2025-02-06 13:25:12,251 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 13:25:12,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:12,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 33 conjuncts are in the unsatisfiable core [2025-02-06 13:25:12,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:25:13,196 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:13,197 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:25:14,232 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:14,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866497048] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:25:14,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:25:14,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 96 [2025-02-06 13:25:14,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340021552] [2025-02-06 13:25:14,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:25:14,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-02-06 13:25:14,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:14,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-02-06 13:25:14,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2412, Invalid=6900, Unknown=0, NotChecked=0, Total=9312 [2025-02-06 13:25:14,238 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand has 97 states, 96 states have (on average 4.041666666666667) internal successors, (388), 97 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:20,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:25:20,967 INFO L93 Difference]: Finished difference Result 341 states and 366 transitions. [2025-02-06 13:25:20,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-02-06 13:25:20,967 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 96 states have (on average 4.041666666666667) internal successors, (388), 97 states have internal predecessors, (388), 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 131 [2025-02-06 13:25:20,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:25:20,968 INFO L225 Difference]: With dead ends: 341 [2025-02-06 13:25:20,968 INFO L226 Difference]: Without dead ends: 340 [2025-02-06 13:25:20,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 382 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13508 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=11668, Invalid=22742, Unknown=0, NotChecked=0, Total=34410 [2025-02-06 13:25:20,974 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 1265 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 686 mSolverCounterSat, 281 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1265 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 281 IncrementalHoareTripleChecker+Valid, 686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 13:25:20,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1265 Valid, 125 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [281 Valid, 686 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 13:25:20,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-06 13:25:20,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2025-02-06 13:25:20,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 339 states have (on average 1.0029498525073746) internal successors, (340), 339 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:20,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 340 transitions. [2025-02-06 13:25:20,987 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 340 transitions. Word has length 131 [2025-02-06 13:25:20,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:25:20,988 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 340 transitions. [2025-02-06 13:25:20,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 96 states have (on average 4.041666666666667) internal successors, (388), 97 states have internal predecessors, (388), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:25:20,988 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 340 transitions. [2025-02-06 13:25:20,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2025-02-06 13:25:20,990 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:25:20,990 INFO L218 NwaCegarLoop]: trace histogram [42, 42, 42, 42, 42, 41, 41, 41, 1, 1, 1, 1, 1, 1] [2025-02-06 13:25:20,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 13:25:21,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:25:21,195 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:25:21,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:25:21,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1238600119, now seen corresponding path program 5 times [2025-02-06 13:25:21,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:25:21,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320996933] [2025-02-06 13:25:21,196 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 13:25:21,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:25:21,208 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 339 statements into 42 equivalence classes. [2025-02-06 13:25:21,326 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) and asserted 339 of 339 statements. [2025-02-06 13:25:21,326 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) [2025-02-06 13:25:21,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:25,803 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:25,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:25:25,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320996933] [2025-02-06 13:25:25,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320996933] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:25:25,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245395379] [2025-02-06 13:25:25,803 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 13:25:25,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:25:25,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:25:25,805 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:25:25,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 13:25:25,838 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 339 statements into 42 equivalence classes. [2025-02-06 13:25:25,963 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) and asserted 339 of 339 statements. [2025-02-06 13:25:25,963 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 42 check-sat command(s) [2025-02-06 13:25:25,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:25:25,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 85 conjuncts are in the unsatisfiable core [2025-02-06 13:25:25,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:25:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:31,178 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:25:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:25:37,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245395379] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:25:37,584 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:25:37,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [85, 85, 85] total 252 [2025-02-06 13:25:37,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376104089] [2025-02-06 13:25:37,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:25:37,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 253 states [2025-02-06 13:25:37,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:25:37,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 253 interpolants. [2025-02-06 13:25:37,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13752, Invalid=50004, Unknown=0, NotChecked=0, Total=63756 [2025-02-06 13:25:37,595 INFO L87 Difference]: Start difference. First operand 340 states and 340 transitions. Second operand has 253 states, 252 states have (on average 4.015873015873016) internal successors, (1012), 253 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:08,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:26:08,590 INFO L93 Difference]: Finished difference Result 677 states and 718 transitions. [2025-02-06 13:26:08,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2025-02-06 13:26:08,594 INFO L78 Accepts]: Start accepts. Automaton has has 253 states, 252 states have (on average 4.015873015873016) internal successors, (1012), 253 states have internal predecessors, (1012), 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 339 [2025-02-06 13:26:08,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:26:08,596 INFO L225 Difference]: With dead ends: 677 [2025-02-06 13:26:08,596 INFO L226 Difference]: Without dead ends: 676 [2025-02-06 13:26:08,606 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 922 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 412 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64213 ImplicationChecksByTransitivity, 41.1s TimeCoverageRelationStatistics Valid=48223, Invalid=122759, Unknown=0, NotChecked=0, Total=170982 [2025-02-06 13:26:08,608 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 4438 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 925 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4438 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 2493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 925 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:26:08,608 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4438 Valid, 291 Invalid, 2493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [925 Valid, 1568 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-06 13:26:08,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2025-02-06 13:26:08,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 676. [2025-02-06 13:26:08,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 675 states have (on average 1.0014814814814814) internal successors, (676), 675 states have internal predecessors, (676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:08,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 676 transitions. [2025-02-06 13:26:08,640 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 676 transitions. Word has length 339 [2025-02-06 13:26:08,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:26:08,641 INFO L471 AbstractCegarLoop]: Abstraction has 676 states and 676 transitions. [2025-02-06 13:26:08,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 253 states, 252 states have (on average 4.015873015873016) internal successors, (1012), 253 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 13:26:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 676 transitions. [2025-02-06 13:26:08,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2025-02-06 13:26:08,648 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:26:08,648 INFO L218 NwaCegarLoop]: trace histogram [84, 84, 84, 84, 84, 83, 83, 83, 1, 1, 1, 1, 1, 1] [2025-02-06 13:26:08,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-02-06 13:26:08,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-06 13:26:08,853 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-02-06 13:26:08,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:26:08,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1660440071, now seen corresponding path program 6 times [2025-02-06 13:26:08,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:26:08,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584426410] [2025-02-06 13:26:08,854 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 13:26:08,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:26:08,876 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 675 statements into 84 equivalence classes. [2025-02-06 13:26:09,036 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 84 check-sat command(s) and asserted 675 of 675 statements. [2025-02-06 13:26:09,036 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 84 check-sat command(s) [2025-02-06 13:26:09,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:22,598 INFO L134 CoverageAnalysis]: Checked inductivity of 27722 backedges. 0 proven. 27722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:22,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:26:22,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584426410] [2025-02-06 13:26:22,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584426410] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:26:22,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499487561] [2025-02-06 13:26:22,598 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 13:26:22,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:26:22,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:26:22,602 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:26:22,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 13:26:22,652 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 675 statements into 84 equivalence classes. [2025-02-06 13:26:23,066 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 84 check-sat command(s) and asserted 675 of 675 statements. [2025-02-06 13:26:23,066 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 84 check-sat command(s) [2025-02-06 13:26:23,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:26:23,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 1014 conjuncts, 169 conjuncts are in the unsatisfiable core [2025-02-06 13:26:23,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:26:38,878 INFO L134 CoverageAnalysis]: Checked inductivity of 27722 backedges. 0 proven. 27722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 13:26:38,880 INFO L312 TraceCheckSpWp]: Computing backward predicates...