./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/nla-digbench-scaling/mannadiv_valuebound20.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:16:30,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:16:30,824 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:16:30,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:16:30,830 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:16:30,850 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:16:30,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:16:30,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:16:30,851 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:16:30,851 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:16:30,852 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:16:30,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:16:30,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:16:30,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:16:30,852 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:16:30,852 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:16:30,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:16:30,853 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:16:30,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:16:30,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:16:30,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:16:30,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:16:30,853 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:16:30,853 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:16:30,853 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:16:30,853 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:16:30,853 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:16:30,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:16:30,854 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:16:30,854 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:16:30,854 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:16:30,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:16:30,854 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:16:30,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:16:30,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:16:30,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:16:30,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:16:30,855 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:16:30,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:16:30,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:16:30,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:16:30,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:16:30,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:16:30,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:16:30,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:16:30,855 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2025-02-06 14:16:31,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:16:31,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:16:31,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:16:31,061 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:16:31,062 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:16:31,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c [2025-02-06 14:16:32,219 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d392328a/a5ae74250bf445f195fc6823d640cfa8/FLAG7570ed642 [2025-02-06 14:16:32,474 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:16:32,482 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound20.c [2025-02-06 14:16:32,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d392328a/a5ae74250bf445f195fc6823d640cfa8/FLAG7570ed642 [2025-02-06 14:16:32,806 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d392328a/a5ae74250bf445f195fc6823d640cfa8 [2025-02-06 14:16:32,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:16:32,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:16:32,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:16:32,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:16:32,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:16:32,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:32,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b86c665 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32, skipping insertion in model container [2025-02-06 14:16:32,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:32,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:16:32,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:16:32,937 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:16:32,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:16:32,959 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:16:32,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32 WrapperNode [2025-02-06 14:16:32,959 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:16:32,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:16:32,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:16:32,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:16:32,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:32,968 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:32,980 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2025-02-06 14:16:32,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:16:32,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:16:32,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:16:32,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:16:32,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:32,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:32,988 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:32,999 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 14:16:33,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:33,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:33,005 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:33,005 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:33,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:33,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:33,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:16:33,010 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:16:33,010 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:16:33,010 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:16:33,010 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32" (1/1) ... [2025-02-06 14:16:33,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:16:33,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:33,041 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 14:16:33,049 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 14:16:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:16:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 14:16:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 14:16:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:16:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:16:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:16:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:16:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:16:33,098 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:16:33,100 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:16:33,229 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2025-02-06 14:16:33,229 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:16:33,236 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:16:33,236 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:16:33,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:16:33 BoogieIcfgContainer [2025-02-06 14:16:33,237 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:16:33,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:16:33,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:16:33,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:16:33,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:16:32" (1/3) ... [2025-02-06 14:16:33,241 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcb7ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:16:33, skipping insertion in model container [2025-02-06 14:16:33,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:16:32" (2/3) ... [2025-02-06 14:16:33,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bcb7ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:16:33, skipping insertion in model container [2025-02-06 14:16:33,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:16:33" (3/3) ... [2025-02-06 14:16:33,243 INFO L128 eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound20.c [2025-02-06 14:16:33,253 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:16:33,254 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mannadiv_valuebound20.c that has 3 procedures, 64 locations, 1 initial locations, 1 loop locations, and 20 error locations. [2025-02-06 14:16:33,287 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:16:33,296 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;@787b378b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:16:33,298 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-02-06 14:16:33,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 57 states have internal predecessors, (62), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:16:33,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 14:16:33,306 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:33,306 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:33,307 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:33,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:33,311 INFO L85 PathProgramCache]: Analyzing trace with hash 1189932886, now seen corresponding path program 1 times [2025-02-06 14:16:33,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:33,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799360227] [2025-02-06 14:16:33,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:33,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:33,362 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 14:16:33,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 14:16:33,374 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:33,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 14:16:33,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:33,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799360227] [2025-02-06 14:16:33,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799360227] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:33,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011668606] [2025-02-06 14:16:33,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:33,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:33,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:33,407 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 14:16:33,407 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 14:16:33,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 14:16:33,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 14:16:33,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:33,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:33,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 14:16:33,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:33,449 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 14:16:33,449 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:33,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011668606] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:33,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:33,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 14:16:33,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066872180] [2025-02-06 14:16:33,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:33,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 14:16:33,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:33,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 14:16:33,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:16:33,470 INFO L87 Difference]: Start difference. First operand has 64 states, 37 states have (on average 1.6756756756756757) internal successors, (62), 57 states have internal predecessors, (62), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:16:33,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:33,483 INFO L93 Difference]: Finished difference Result 124 states and 139 transitions. [2025-02-06 14:16:33,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 14:16:33,485 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2025-02-06 14:16:33,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:33,488 INFO L225 Difference]: With dead ends: 124 [2025-02-06 14:16:33,489 INFO L226 Difference]: Without dead ends: 57 [2025-02-06 14:16:33,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:16:33,493 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:33,493 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:33,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2025-02-06 14:16:33,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2025-02-06 14:16:33,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.65625) internal successors, (53), 51 states have internal predecessors, (53), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:16:33,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2025-02-06 14:16:33,518 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 15 [2025-02-06 14:16:33,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:33,518 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2025-02-06 14:16:33,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:16:33,518 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2025-02-06 14:16:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 14:16:33,519 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:33,519 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:33,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:33,724 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 14:16:33,725 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:33,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:33,725 INFO L85 PathProgramCache]: Analyzing trace with hash -578389322, now seen corresponding path program 1 times [2025-02-06 14:16:33,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:33,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963558262] [2025-02-06 14:16:33,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:33,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:33,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 14:16:33,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 14:16:33,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:33,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:33,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1504097214] [2025-02-06 14:16:33,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:33,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:33,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:33,751 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 14:16:33,754 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 14:16:33,784 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 14:16:33,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 14:16:33,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:33,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:33,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:16:33,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:33,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:33,826 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:33,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:33,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963558262] [2025-02-06 14:16:33,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:33,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504097214] [2025-02-06 14:16:33,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504097214] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:33,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:33,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:16:33,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46377275] [2025-02-06 14:16:33,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:33,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:16:33,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:33,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:16:33,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:16:33,828 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:33,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:33,891 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions. [2025-02-06 14:16:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:16:33,892 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2025-02-06 14:16:33,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:33,892 INFO L225 Difference]: With dead ends: 91 [2025-02-06 14:16:33,892 INFO L226 Difference]: Without dead ends: 85 [2025-02-06 14:16:33,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:16:33,893 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 26 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:33,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 76 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:33,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-02-06 14:16:33,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 77. [2025-02-06 14:16:33,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 70 states have internal predecessors, (84), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:16:33,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 92 transitions. [2025-02-06 14:16:33,907 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 92 transitions. Word has length 15 [2025-02-06 14:16:33,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:33,909 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 92 transitions. [2025-02-06 14:16:33,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:33,909 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 92 transitions. [2025-02-06 14:16:33,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-06 14:16:33,910 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:33,910 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:33,917 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 14:16:34,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:34,111 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:34,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:34,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1781356780, now seen corresponding path program 1 times [2025-02-06 14:16:34,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:34,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722242320] [2025-02-06 14:16:34,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:34,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:34,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-06 14:16:34,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-06 14:16:34,132 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:34,132 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:34,188 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:34,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:34,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722242320] [2025-02-06 14:16:34,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722242320] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:34,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:34,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:16:34,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936614489] [2025-02-06 14:16:34,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:34,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:34,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:34,189 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:34,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:34,190 INFO L87 Difference]: Start difference. First operand 77 states and 92 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:34,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:34,273 INFO L93 Difference]: Finished difference Result 121 states and 153 transitions. [2025-02-06 14:16:34,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:34,273 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2025-02-06 14:16:34,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:34,275 INFO L225 Difference]: With dead ends: 121 [2025-02-06 14:16:34,275 INFO L226 Difference]: Without dead ends: 114 [2025-02-06 14:16:34,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:34,276 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 21 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:34,276 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 93 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:34,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-02-06 14:16:34,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 110. [2025-02-06 14:16:34,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 82 states have (on average 1.5609756097560976) internal successors, (128), 101 states have internal predecessors, (128), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:16:34,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 140 transitions. [2025-02-06 14:16:34,290 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 140 transitions. Word has length 17 [2025-02-06 14:16:34,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:34,291 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 140 transitions. [2025-02-06 14:16:34,291 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:34,291 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 140 transitions. [2025-02-06 14:16:34,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-06 14:16:34,291 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:34,291 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:34,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 14:16:34,291 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:34,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:34,292 INFO L85 PathProgramCache]: Analyzing trace with hash 612514679, now seen corresponding path program 1 times [2025-02-06 14:16:34,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:34,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573626743] [2025-02-06 14:16:34,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:34,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:34,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 14:16:34,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 14:16:34,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:34,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:34,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:34,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573626743] [2025-02-06 14:16:34,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573626743] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:34,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:34,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:16:34,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751972269] [2025-02-06 14:16:34,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:34,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:34,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:34,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:34,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:34,367 INFO L87 Difference]: Start difference. First operand 110 states and 140 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:34,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:34,419 INFO L93 Difference]: Finished difference Result 116 states and 141 transitions. [2025-02-06 14:16:34,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:34,419 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2025-02-06 14:16:34,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:34,420 INFO L225 Difference]: With dead ends: 116 [2025-02-06 14:16:34,420 INFO L226 Difference]: Without dead ends: 107 [2025-02-06 14:16:34,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:34,421 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 32 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:34,421 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 78 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:34,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-02-06 14:16:34,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2025-02-06 14:16:34,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 96 states have internal predecessors, (118), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:16:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 130 transitions. [2025-02-06 14:16:34,428 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 130 transitions. Word has length 18 [2025-02-06 14:16:34,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:34,428 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 130 transitions. [2025-02-06 14:16:34,428 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 130 transitions. [2025-02-06 14:16:34,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 14:16:34,429 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:34,429 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:34,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 14:16:34,429 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:34,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:34,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1808085874, now seen corresponding path program 1 times [2025-02-06 14:16:34,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:34,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046674413] [2025-02-06 14:16:34,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:34,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:34,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 14:16:34,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 14:16:34,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:34,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:34,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:34,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:34,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046674413] [2025-02-06 14:16:34,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046674413] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:34,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856812017] [2025-02-06 14:16:34,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:34,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:34,539 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:34,541 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 14:16:34,542 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 14:16:34,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 14:16:34,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 14:16:34,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:34,575 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:34,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:34,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:34,643 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:34,643 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:34,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856812017] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:34,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:34,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-06 14:16:34,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50175040] [2025-02-06 14:16:34,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:34,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:34,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:34,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:34,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:34,645 INFO L87 Difference]: Start difference. First operand 105 states and 130 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:34,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:34,718 INFO L93 Difference]: Finished difference Result 108 states and 134 transitions. [2025-02-06 14:16:34,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:34,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-02-06 14:16:34,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:34,719 INFO L225 Difference]: With dead ends: 108 [2025-02-06 14:16:34,719 INFO L226 Difference]: Without dead ends: 107 [2025-02-06 14:16:34,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:16:34,719 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 72 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:34,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 64 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:34,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-02-06 14:16:34,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2025-02-06 14:16:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.5194805194805194) internal successors, (117), 96 states have internal predecessors, (117), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:16:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 129 transitions. [2025-02-06 14:16:34,726 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 129 transitions. Word has length 19 [2025-02-06 14:16:34,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:34,726 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 129 transitions. [2025-02-06 14:16:34,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:34,726 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 129 transitions. [2025-02-06 14:16:34,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-06 14:16:34,726 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:34,726 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:34,732 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:34,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:34,927 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:34,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:34,928 INFO L85 PathProgramCache]: Analyzing trace with hash 216087253, now seen corresponding path program 1 times [2025-02-06 14:16:34,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:34,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397325537] [2025-02-06 14:16:34,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:34,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:34,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 14:16:34,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 14:16:34,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:34,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:34,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [378582663] [2025-02-06 14:16:34,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:34,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:34,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:34,952 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 14:16:34,954 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 14:16:34,970 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 14:16:34,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 14:16:34,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:34,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:34,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:34,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:35,027 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:35,027 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:35,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:35,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397325537] [2025-02-06 14:16:35,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:35,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378582663] [2025-02-06 14:16:35,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378582663] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:35,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:35,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:16:35,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616900665] [2025-02-06 14:16:35,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:35,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:35,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:35,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:35,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:35,028 INFO L87 Difference]: Start difference. First operand 105 states and 129 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:35,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:35,099 INFO L93 Difference]: Finished difference Result 106 states and 129 transitions. [2025-02-06 14:16:35,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:35,100 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2025-02-06 14:16:35,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:35,100 INFO L225 Difference]: With dead ends: 106 [2025-02-06 14:16:35,100 INFO L226 Difference]: Without dead ends: 105 [2025-02-06 14:16:35,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 14:16:35,101 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 65 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:35,101 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 69 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:35,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2025-02-06 14:16:35,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2025-02-06 14:16:35,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 96 states have internal predecessors, (116), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 14:16:35,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 128 transitions. [2025-02-06 14:16:35,107 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 128 transitions. Word has length 20 [2025-02-06 14:16:35,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:35,107 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 128 transitions. [2025-02-06 14:16:35,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:16:35,107 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2025-02-06 14:16:35,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-06 14:16:35,107 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:35,107 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:35,113 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 14:16:35,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-02-06 14:16:35,308 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:35,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:35,309 INFO L85 PathProgramCache]: Analyzing trace with hash -5591998, now seen corresponding path program 1 times [2025-02-06 14:16:35,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:35,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663870277] [2025-02-06 14:16:35,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:35,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:35,313 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 14:16:35,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 14:16:35,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:35,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:35,386 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:35,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:35,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663870277] [2025-02-06 14:16:35,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663870277] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:35,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383585971] [2025-02-06 14:16:35,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:35,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:35,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:35,389 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 14:16:35,390 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 14:16:35,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 14:16:35,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 14:16:35,415 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:35,415 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:35,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:16:35,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:35,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:35,439 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:35,500 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:35,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383585971] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:35,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:35,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-02-06 14:16:35,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461889025] [2025-02-06 14:16:35,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:35,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:16:35,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:35,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:16:35,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:35,502 INFO L87 Difference]: Start difference. First operand 105 states and 128 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:16:35,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:35,584 INFO L93 Difference]: Finished difference Result 158 states and 195 transitions. [2025-02-06 14:16:35,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:16:35,585 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 32 [2025-02-06 14:16:35,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:35,586 INFO L225 Difference]: With dead ends: 158 [2025-02-06 14:16:35,586 INFO L226 Difference]: Without dead ends: 156 [2025-02-06 14:16:35,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:35,586 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 216 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:35,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 249 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:35,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-02-06 14:16:35,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 146. [2025-02-06 14:16:35,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 116 states have (on average 1.5) internal successors, (174), 135 states have internal predecessors, (174), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:16:35,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 190 transitions. [2025-02-06 14:16:35,596 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 190 transitions. Word has length 32 [2025-02-06 14:16:35,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:35,596 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 190 transitions. [2025-02-06 14:16:35,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:16:35,596 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 190 transitions. [2025-02-06 14:16:35,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 14:16:35,597 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:35,597 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:35,603 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 14:16:35,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:35,798 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:35,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:35,798 INFO L85 PathProgramCache]: Analyzing trace with hash -173351956, now seen corresponding path program 1 times [2025-02-06 14:16:35,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:35,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774465428] [2025-02-06 14:16:35,798 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:35,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:35,802 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:16:35,805 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:16:35,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:35,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:35,828 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:35,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:35,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774465428] [2025-02-06 14:16:35,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774465428] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:35,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:16:35,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:16:35,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277893661] [2025-02-06 14:16:35,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:35,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:16:35,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:35,829 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:16:35,829 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:16:35,829 INFO L87 Difference]: Start difference. First operand 146 states and 190 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:35,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:35,864 INFO L93 Difference]: Finished difference Result 146 states and 190 transitions. [2025-02-06 14:16:35,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:16:35,864 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2025-02-06 14:16:35,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:35,865 INFO L225 Difference]: With dead ends: 146 [2025-02-06 14:16:35,865 INFO L226 Difference]: Without dead ends: 144 [2025-02-06 14:16:35,865 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 14:16:35,866 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 57 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:35,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 73 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:35,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2025-02-06 14:16:35,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2025-02-06 14:16:35,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 116 states have (on average 1.456896551724138) internal successors, (169), 133 states have internal predecessors, (169), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:16:35,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 185 transitions. [2025-02-06 14:16:35,872 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 185 transitions. Word has length 33 [2025-02-06 14:16:35,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:35,872 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 185 transitions. [2025-02-06 14:16:35,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:35,872 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 185 transitions. [2025-02-06 14:16:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-06 14:16:35,873 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:35,873 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:35,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 14:16:35,873 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:35,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:35,873 INFO L85 PathProgramCache]: Analyzing trace with hash 912495434, now seen corresponding path program 1 times [2025-02-06 14:16:35,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:35,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388062813] [2025-02-06 14:16:35,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:35,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:35,877 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 14:16:35,881 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 14:16:35,881 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:35,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:35,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [597820025] [2025-02-06 14:16:35,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:35,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:35,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:35,884 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 14:16:35,885 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 14:16:35,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 14:16:35,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 14:16:35,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:35,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:35,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:35,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:36,002 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:36,002 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:36,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:36,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388062813] [2025-02-06 14:16:36,108 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:36,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597820025] [2025-02-06 14:16:36,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597820025] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:36,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:36,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:16:36,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156262702] [2025-02-06 14:16:36,109 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:36,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:16:36,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:36,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:16:36,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:36,110 INFO L87 Difference]: Start difference. First operand 144 states and 185 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:36,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:36,189 INFO L93 Difference]: Finished difference Result 151 states and 188 transitions. [2025-02-06 14:16:36,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:16:36,189 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2025-02-06 14:16:36,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:36,190 INFO L225 Difference]: With dead ends: 151 [2025-02-06 14:16:36,190 INFO L226 Difference]: Without dead ends: 144 [2025-02-06 14:16:36,190 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:16:36,191 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 74 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:36,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 48 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:36,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2025-02-06 14:16:36,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2025-02-06 14:16:36,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 117 states have (on average 1.3418803418803418) internal successors, (157), 129 states have internal predecessors, (157), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-06 14:16:36,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 173 transitions. [2025-02-06 14:16:36,197 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 173 transitions. Word has length 35 [2025-02-06 14:16:36,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:36,197 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 173 transitions. [2025-02-06 14:16:36,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:36,198 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 173 transitions. [2025-02-06 14:16:36,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-06 14:16:36,198 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:36,198 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:36,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:36,402 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,SelfDestructingSolverStorable8 [2025-02-06 14:16:36,402 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:36,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:36,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1777412603, now seen corresponding path program 1 times [2025-02-06 14:16:36,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:36,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080249939] [2025-02-06 14:16:36,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:36,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:36,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-06 14:16:36,411 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 14:16:36,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:36,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:36,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1670229157] [2025-02-06 14:16:36,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:36,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:36,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:36,420 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 14:16:36,421 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 14:16:36,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-06 14:16:36,448 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-06 14:16:36,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:36,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:36,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:36,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:36,542 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:36,542 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:36,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:36,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080249939] [2025-02-06 14:16:36,676 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:36,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670229157] [2025-02-06 14:16:36,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670229157] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:36,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:36,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:16:36,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7832423] [2025-02-06 14:16:36,676 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:36,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:16:36,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:36,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:16:36,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:36,677 INFO L87 Difference]: Start difference. First operand 140 states and 173 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:36,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:36,775 INFO L93 Difference]: Finished difference Result 188 states and 231 transitions. [2025-02-06 14:16:36,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:16:36,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 36 [2025-02-06 14:16:36,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:36,776 INFO L225 Difference]: With dead ends: 188 [2025-02-06 14:16:36,777 INFO L226 Difference]: Without dead ends: 185 [2025-02-06 14:16:36,777 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:36,777 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 95 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:36,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 104 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:36,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2025-02-06 14:16:36,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 177. [2025-02-06 14:16:36,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 152 states have (on average 1.3289473684210527) internal successors, (202), 164 states have internal predecessors, (202), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:16:36,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 222 transitions. [2025-02-06 14:16:36,784 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 222 transitions. Word has length 36 [2025-02-06 14:16:36,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:36,784 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 222 transitions. [2025-02-06 14:16:36,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:36,784 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 222 transitions. [2025-02-06 14:16:36,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-06 14:16:36,785 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:36,785 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:36,790 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 14:16:36,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:36,985 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:36,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:36,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1268573271, now seen corresponding path program 1 times [2025-02-06 14:16:36,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:36,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771097612] [2025-02-06 14:16:36,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:36,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:36,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 14:16:36,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 14:16:36,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:36,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:37,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:37,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:37,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771097612] [2025-02-06 14:16:37,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771097612] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:37,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30862953] [2025-02-06 14:16:37,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:37,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:37,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:37,041 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 14:16:37,042 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 14:16:37,060 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 14:16:37,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 14:16:37,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:37,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:37,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:16:37,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:37,143 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:37,143 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:16:37,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30862953] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:16:37,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:37,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-06 14:16:37,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221125506] [2025-02-06 14:16:37,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:16:37,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:16:37,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:37,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:16:37,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:16:37,144 INFO L87 Difference]: Start difference. First operand 177 states and 222 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:37,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:37,203 INFO L93 Difference]: Finished difference Result 177 states and 222 transitions. [2025-02-06 14:16:37,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:16:37,204 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2025-02-06 14:16:37,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:37,205 INFO L225 Difference]: With dead ends: 177 [2025-02-06 14:16:37,205 INFO L226 Difference]: Without dead ends: 175 [2025-02-06 14:16:37,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:16:37,205 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 25 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:37,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 65 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:37,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2025-02-06 14:16:37,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 172. [2025-02-06 14:16:37,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 149 states have (on average 1.3154362416107384) internal successors, (196), 159 states have internal predecessors, (196), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:16:37,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 216 transitions. [2025-02-06 14:16:37,212 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 216 transitions. Word has length 37 [2025-02-06 14:16:37,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:37,212 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 216 transitions. [2025-02-06 14:16:37,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 14:16:37,212 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 216 transitions. [2025-02-06 14:16:37,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-06 14:16:37,213 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:37,213 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:37,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:37,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:37,413 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:37,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:37,414 INFO L85 PathProgramCache]: Analyzing trace with hash -671065726, now seen corresponding path program 1 times [2025-02-06 14:16:37,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:37,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216844767] [2025-02-06 14:16:37,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:37,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:37,421 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 14:16:37,428 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 14:16:37,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:37,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:37,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:37,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216844767] [2025-02-06 14:16:37,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216844767] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:37,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918308072] [2025-02-06 14:16:37,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:37,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:37,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:37,508 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 14:16:37,510 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 14:16:37,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 14:16:37,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 14:16:37,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:37,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:37,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:16:37,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:37,590 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:37,590 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:37,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918308072] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:37,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:37,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2025-02-06 14:16:37,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662719480] [2025-02-06 14:16:37,661 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:37,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:16:37,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:37,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:16:37,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:37,663 INFO L87 Difference]: Start difference. First operand 172 states and 216 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:16:37,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:37,799 INFO L93 Difference]: Finished difference Result 180 states and 220 transitions. [2025-02-06 14:16:37,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:16:37,800 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 38 [2025-02-06 14:16:37,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:37,801 INFO L225 Difference]: With dead ends: 180 [2025-02-06 14:16:37,801 INFO L226 Difference]: Without dead ends: 172 [2025-02-06 14:16:37,801 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:16:37,801 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 35 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:37,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 150 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:37,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2025-02-06 14:16:37,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2025-02-06 14:16:37,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 149 states have (on average 1.2885906040268456) internal successors, (192), 159 states have internal predecessors, (192), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:16:37,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 212 transitions. [2025-02-06 14:16:37,807 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 212 transitions. Word has length 38 [2025-02-06 14:16:37,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:37,808 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 212 transitions. [2025-02-06 14:16:37,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:16:37,808 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 212 transitions. [2025-02-06 14:16:37,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-06 14:16:37,808 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:37,808 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:37,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:38,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:38,009 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:38,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:38,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1752949254, now seen corresponding path program 1 times [2025-02-06 14:16:38,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:38,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360987743] [2025-02-06 14:16:38,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:38,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:38,016 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:16:38,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:16:38,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:38,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:38,116 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:38,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:38,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360987743] [2025-02-06 14:16:38,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360987743] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:38,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [617519073] [2025-02-06 14:16:38,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:38,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:38,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:38,122 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:38,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 14:16:38,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 14:16:38,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 14:16:38,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:38,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:38,147 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:16:38,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:38,225 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:38,225 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:16:38,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [617519073] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:38,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:38,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2025-02-06 14:16:38,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726207673] [2025-02-06 14:16:38,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:38,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-06 14:16:38,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:38,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 14:16:38,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:16:38,362 INFO L87 Difference]: Start difference. First operand 172 states and 212 transitions. Second operand has 17 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:16:38,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:38,617 INFO L93 Difference]: Finished difference Result 173 states and 212 transitions. [2025-02-06 14:16:38,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:16:38,618 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2025-02-06 14:16:38,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:38,618 INFO L225 Difference]: With dead ends: 173 [2025-02-06 14:16:38,619 INFO L226 Difference]: Without dead ends: 170 [2025-02-06 14:16:38,619 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 65 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2025-02-06 14:16:38,620 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 139 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:38,620 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 160 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:38,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2025-02-06 14:16:38,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 143. [2025-02-06 14:16:38,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 124 states have (on average 1.2338709677419355) internal successors, (153), 131 states have internal predecessors, (153), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-02-06 14:16:38,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 171 transitions. [2025-02-06 14:16:38,629 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 171 transitions. Word has length 39 [2025-02-06 14:16:38,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:38,629 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 171 transitions. [2025-02-06 14:16:38,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-06 14:16:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 171 transitions. [2025-02-06 14:16:38,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 14:16:38,630 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:38,630 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:38,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:38,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-06 14:16:38,831 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:38,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:38,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1493147967, now seen corresponding path program 1 times [2025-02-06 14:16:38,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:38,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936189371] [2025-02-06 14:16:38,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:38,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:38,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:16:38,841 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:16:38,841 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:38,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:38,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1524509651] [2025-02-06 14:16:38,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:38,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:38,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:38,843 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:38,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 14:16:38,868 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 14:16:38,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 14:16:38,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:38,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:38,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-06 14:16:38,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:39,003 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:39,003 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:16:39,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:39,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936189371] [2025-02-06 14:16:39,075 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:39,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524509651] [2025-02-06 14:16:39,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524509651] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:39,075 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:39,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-06 14:16:39,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784831632] [2025-02-06 14:16:39,076 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:39,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:16:39,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:39,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:16:39,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:39,077 INFO L87 Difference]: Start difference. First operand 143 states and 171 transitions. Second operand has 11 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:16:39,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:39,275 INFO L93 Difference]: Finished difference Result 230 states and 274 transitions. [2025-02-06 14:16:39,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:16:39,276 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 40 [2025-02-06 14:16:39,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:39,277 INFO L225 Difference]: With dead ends: 230 [2025-02-06 14:16:39,277 INFO L226 Difference]: Without dead ends: 158 [2025-02-06 14:16:39,277 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:16:39,277 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 90 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:39,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 93 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:39,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-02-06 14:16:39,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2025-02-06 14:16:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 139 states have (on average 1.1654676258992807) internal successors, (162), 145 states have internal predecessors, (162), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:16:39,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 182 transitions. [2025-02-06 14:16:39,285 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 182 transitions. Word has length 40 [2025-02-06 14:16:39,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:39,285 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 182 transitions. [2025-02-06 14:16:39,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:16:39,285 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 182 transitions. [2025-02-06 14:16:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-06 14:16:39,288 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:39,288 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:39,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 14:16:39,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-02-06 14:16:39,489 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:39,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:39,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1474256399, now seen corresponding path program 2 times [2025-02-06 14:16:39,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:39,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346076196] [2025-02-06 14:16:39,490 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:39,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:39,496 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 56 statements into 2 equivalence classes. [2025-02-06 14:16:39,510 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 14:16:39,513 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:39,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:39,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [150227998] [2025-02-06 14:16:39,514 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:39,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:39,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:39,516 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:39,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 14:16:39,535 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 56 statements into 2 equivalence classes. [2025-02-06 14:16:39,546 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 56 of 56 statements. [2025-02-06 14:16:39,546 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:39,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:39,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:16:39,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:16:39,647 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:39,804 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:16:39,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:39,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346076196] [2025-02-06 14:16:39,805 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:39,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [150227998] [2025-02-06 14:16:39,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [150227998] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:39,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:39,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 14:16:39,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412942625] [2025-02-06 14:16:39,805 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:39,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:16:39,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:39,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:16:39,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:16:39,807 INFO L87 Difference]: Start difference. First operand 158 states and 182 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:16:40,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:40,138 INFO L93 Difference]: Finished difference Result 325 states and 386 transitions. [2025-02-06 14:16:40,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:16:40,138 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 56 [2025-02-06 14:16:40,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:40,139 INFO L225 Difference]: With dead ends: 325 [2025-02-06 14:16:40,139 INFO L226 Difference]: Without dead ends: 322 [2025-02-06 14:16:40,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:16:40,140 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 135 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:40,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 263 Invalid, 379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:16:40,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-02-06 14:16:40,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 300. [2025-02-06 14:16:40,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 274 states have (on average 1.1715328467153285) internal successors, (321), 279 states have internal predecessors, (321), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 14:16:40,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 357 transitions. [2025-02-06 14:16:40,155 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 357 transitions. Word has length 56 [2025-02-06 14:16:40,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:40,156 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 357 transitions. [2025-02-06 14:16:40,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2025-02-06 14:16:40,156 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 357 transitions. [2025-02-06 14:16:40,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-06 14:16:40,157 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:40,157 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:40,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:40,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:40,361 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:40,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:40,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1473643533, now seen corresponding path program 2 times [2025-02-06 14:16:40,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:40,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833745926] [2025-02-06 14:16:40,362 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:40,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:40,366 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 58 statements into 2 equivalence classes. [2025-02-06 14:16:40,372 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 14:16:40,374 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:40,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:40,627 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:16:40,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:40,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833745926] [2025-02-06 14:16:40,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833745926] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:40,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580522343] [2025-02-06 14:16:40,628 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:40,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:40,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:40,632 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:40,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-06 14:16:40,654 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 58 statements into 2 equivalence classes. [2025-02-06 14:16:40,663 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 14:16:40,663 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:40,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:40,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:40,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:40,776 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 14:16:40,776 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:40,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580522343] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:40,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:40,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4] total 13 [2025-02-06 14:16:40,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445526516] [2025-02-06 14:16:40,906 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:40,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:16:40,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:40,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:16:40,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:16:40,907 INFO L87 Difference]: Start difference. First operand 300 states and 357 transitions. Second operand has 14 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-06 14:16:41,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:41,315 INFO L93 Difference]: Finished difference Result 322 states and 383 transitions. [2025-02-06 14:16:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-06 14:16:41,315 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 58 [2025-02-06 14:16:41,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:41,316 INFO L225 Difference]: With dead ends: 322 [2025-02-06 14:16:41,316 INFO L226 Difference]: Without dead ends: 310 [2025-02-06 14:16:41,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=293, Invalid=763, Unknown=0, NotChecked=0, Total=1056 [2025-02-06 14:16:41,317 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 99 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:41,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 108 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:41,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2025-02-06 14:16:41,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2025-02-06 14:16:41,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 285 states have (on average 1.119298245614035) internal successors, (319), 288 states have internal predecessors, (319), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2025-02-06 14:16:41,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 357 transitions. [2025-02-06 14:16:41,343 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 357 transitions. Word has length 58 [2025-02-06 14:16:41,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:41,343 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 357 transitions. [2025-02-06 14:16:41,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.923076923076923) internal successors, (77), 13 states have internal predecessors, (77), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-06 14:16:41,343 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 357 transitions. [2025-02-06 14:16:41,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 14:16:41,344 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:41,344 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:41,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-06 14:16:41,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:41,545 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:41,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:41,545 INFO L85 PathProgramCache]: Analyzing trace with hash -803173135, now seen corresponding path program 1 times [2025-02-06 14:16:41,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:41,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268638213] [2025-02-06 14:16:41,545 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:41,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:41,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 14:16:41,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 14:16:41,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:41,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:41,592 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 48 proven. 11 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-02-06 14:16:41,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:41,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268638213] [2025-02-06 14:16:41,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268638213] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:41,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741437769] [2025-02-06 14:16:41,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:41,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:41,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:41,594 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:41,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 14:16:41,615 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 14:16:41,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 14:16:41,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:41,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:41,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:16:41,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 48 proven. 11 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-02-06 14:16:41,656 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:41,696 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 48 proven. 11 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2025-02-06 14:16:41,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741437769] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:41,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:41,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-06 14:16:41,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672337799] [2025-02-06 14:16:41,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:41,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:16:41,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:41,698 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:16:41,698 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:16:41,698 INFO L87 Difference]: Start difference. First operand 310 states and 357 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-06 14:16:41,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:41,755 INFO L93 Difference]: Finished difference Result 594 states and 702 transitions. [2025-02-06 14:16:41,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:16:41,755 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 88 [2025-02-06 14:16:41,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:41,757 INFO L225 Difference]: With dead ends: 594 [2025-02-06 14:16:41,757 INFO L226 Difference]: Without dead ends: 592 [2025-02-06 14:16:41,757 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:16:41,757 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 11 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:41,758 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 95 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:41,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2025-02-06 14:16:41,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2025-02-06 14:16:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 549 states have (on average 1.0710382513661203) internal successors, (588), 551 states have internal predecessors, (588), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-02-06 14:16:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 664 transitions. [2025-02-06 14:16:41,777 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 664 transitions. Word has length 88 [2025-02-06 14:16:41,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:41,777 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 664 transitions. [2025-02-06 14:16:41,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 states have internal predecessors, (96), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2025-02-06 14:16:41,777 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 664 transitions. [2025-02-06 14:16:41,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2025-02-06 14:16:41,778 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:41,778 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:41,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:41,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-06 14:16:41,982 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:41,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:41,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1852349738, now seen corresponding path program 1 times [2025-02-06 14:16:41,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:41,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217788059] [2025-02-06 14:16:41,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:41,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:41,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-06 14:16:41,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 14:16:41,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:41,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:42,084 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:16:42,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:42,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217788059] [2025-02-06 14:16:42,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217788059] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:42,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296629178] [2025-02-06 14:16:42,085 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:42,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:42,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:42,089 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:42,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-06 14:16:42,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-02-06 14:16:42,127 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-02-06 14:16:42,127 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:42,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:42,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:16:42,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:16:42,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:42,286 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-06 14:16:42,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296629178] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:42,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:42,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-06 14:16:42,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646804473] [2025-02-06 14:16:42,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:42,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:16:42,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:42,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:16:42,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:42,288 INFO L87 Difference]: Start difference. First operand 592 states and 664 transitions. Second operand has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-02-06 14:16:42,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:42,397 INFO L93 Difference]: Finished difference Result 1080 states and 1215 transitions. [2025-02-06 14:16:42,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:16:42,398 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 91 [2025-02-06 14:16:42,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:42,401 INFO L225 Difference]: With dead ends: 1080 [2025-02-06 14:16:42,401 INFO L226 Difference]: Without dead ends: 1079 [2025-02-06 14:16:42,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:42,402 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 86 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:42,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 182 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:42,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2025-02-06 14:16:42,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1071. [2025-02-06 14:16:42,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1071 states, 998 states have (on average 1.0731462925851702) internal successors, (1071), 1000 states have internal predecessors, (1071), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2025-02-06 14:16:42,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 1071 states and 1207 transitions. [2025-02-06 14:16:42,454 INFO L78 Accepts]: Start accepts. Automaton has 1071 states and 1207 transitions. Word has length 91 [2025-02-06 14:16:42,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:42,455 INFO L471 AbstractCegarLoop]: Abstraction has 1071 states and 1207 transitions. [2025-02-06 14:16:42,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-02-06 14:16:42,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1207 transitions. [2025-02-06 14:16:42,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-02-06 14:16:42,456 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:42,456 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:42,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 14:16:42,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 14:16:42,660 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:42,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:42,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1355961816, now seen corresponding path program 1 times [2025-02-06 14:16:42,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:42,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011243434] [2025-02-06 14:16:42,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:42,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:42,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 14:16:42,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 14:16:42,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:42,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:42,727 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 65 proven. 24 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-06 14:16:42,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:42,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011243434] [2025-02-06 14:16:42,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011243434] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:42,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764811] [2025-02-06 14:16:42,727 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:42,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:42,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:42,730 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:42,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-06 14:16:42,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-02-06 14:16:42,768 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-02-06 14:16:42,768 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:42,768 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:42,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:16:42,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:42,829 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 77 proven. 24 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-06 14:16:42,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:42,896 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 65 proven. 24 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-06 14:16:42,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764811] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:42,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:42,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-02-06 14:16:42,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68844833] [2025-02-06 14:16:42,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:42,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:16:42,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:42,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:16:42,898 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:42,898 INFO L87 Difference]: Start difference. First operand 1071 states and 1207 transitions. Second operand has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2025-02-06 14:16:43,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:43,049 INFO L93 Difference]: Finished difference Result 2204 states and 2486 transitions. [2025-02-06 14:16:43,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:16:43,049 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 96 [2025-02-06 14:16:43,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:43,053 INFO L225 Difference]: With dead ends: 2204 [2025-02-06 14:16:43,054 INFO L226 Difference]: Without dead ends: 1549 [2025-02-06 14:16:43,055 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 186 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:16:43,055 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 28 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:43,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 215 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:43,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1549 states. [2025-02-06 14:16:43,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1549 to 1169. [2025-02-06 14:16:43,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 1090 states have (on average 1.0660550458715596) internal successors, (1162), 1092 states have internal predecessors, (1162), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2025-02-06 14:16:43,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1310 transitions. [2025-02-06 14:16:43,094 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1310 transitions. Word has length 96 [2025-02-06 14:16:43,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:43,094 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1310 transitions. [2025-02-06 14:16:43,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2025-02-06 14:16:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1310 transitions. [2025-02-06 14:16:43,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-06 14:16:43,095 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:43,095 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:43,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:43,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:43,299 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:43,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:43,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1902221050, now seen corresponding path program 1 times [2025-02-06 14:16:43,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:43,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205209868] [2025-02-06 14:16:43,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:43,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:43,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 14:16:43,309 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 14:16:43,309 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:43,309 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:43,397 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:43,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:43,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205209868] [2025-02-06 14:16:43,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205209868] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:43,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381215953] [2025-02-06 14:16:43,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:16:43,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:43,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:43,405 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:43,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-06 14:16:43,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 14:16:43,442 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 14:16:43,442 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:43,442 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:43,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:16:43,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:43,514 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:43,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:43,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381215953] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:43,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:43,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-02-06 14:16:43,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735741398] [2025-02-06 14:16:43,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:43,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:16:43,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:43,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:16:43,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:16:43,638 INFO L87 Difference]: Start difference. First operand 1169 states and 1310 transitions. Second operand has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-06 14:16:43,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:43,822 INFO L93 Difference]: Finished difference Result 2418 states and 2792 transitions. [2025-02-06 14:16:43,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:16:43,823 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) Word has length 108 [2025-02-06 14:16:43,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:43,831 INFO L225 Difference]: With dead ends: 2418 [2025-02-06 14:16:43,831 INFO L226 Difference]: Without dead ends: 2417 [2025-02-06 14:16:43,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:16:43,832 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 17 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:43,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 123 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:43,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2417 states. [2025-02-06 14:16:43,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2417 to 2417. [2025-02-06 14:16:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2417 states, 2260 states have (on average 1.0663716814159292) internal successors, (2410), 2262 states have internal predecessors, (2410), 152 states have call successors, (152), 2 states have call predecessors, (152), 2 states have return successors, (152), 152 states have call predecessors, (152), 152 states have call successors, (152) [2025-02-06 14:16:43,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2417 states and 2714 transitions. [2025-02-06 14:16:43,913 INFO L78 Accepts]: Start accepts. Automaton has 2417 states and 2714 transitions. Word has length 108 [2025-02-06 14:16:43,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:43,914 INFO L471 AbstractCegarLoop]: Abstraction has 2417 states and 2714 transitions. [2025-02-06 14:16:43,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 13.666666666666666) internal successors, (164), 13 states have internal predecessors, (164), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-06 14:16:43,914 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 2714 transitions. [2025-02-06 14:16:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-02-06 14:16:43,918 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:43,918 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:43,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-06 14:16:44,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:44,122 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:44,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:44,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1663305298, now seen corresponding path program 2 times [2025-02-06 14:16:44,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:44,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123693261] [2025-02-06 14:16:44,123 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:44,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:44,129 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 116 statements into 2 equivalence classes. [2025-02-06 14:16:44,137 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 116 of 116 statements. [2025-02-06 14:16:44,137 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:44,137 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:44,235 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 47 proven. 104 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:44,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:44,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123693261] [2025-02-06 14:16:44,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123693261] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:44,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733339961] [2025-02-06 14:16:44,236 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:44,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:44,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:44,242 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:44,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-06 14:16:44,265 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 116 statements into 2 equivalence classes. [2025-02-06 14:16:44,282 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 116 of 116 statements. [2025-02-06 14:16:44,282 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:44,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:44,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:16:44,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 92 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:44,398 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 92 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 14:16:44,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733339961] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:44,503 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:44,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2025-02-06 14:16:44,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053016271] [2025-02-06 14:16:44,503 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:44,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:16:44,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:44,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:16:44,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:16:44,504 INFO L87 Difference]: Start difference. First operand 2417 states and 2714 transitions. Second operand has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-02-06 14:16:44,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:44,763 INFO L93 Difference]: Finished difference Result 5419 states and 6082 transitions. [2025-02-06 14:16:44,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:16:44,763 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 116 [2025-02-06 14:16:44,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:44,774 INFO L225 Difference]: With dead ends: 5419 [2025-02-06 14:16:44,774 INFO L226 Difference]: Without dead ends: 4003 [2025-02-06 14:16:44,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 223 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:16:44,779 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 29 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:44,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 279 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:16:44,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4003 states. [2025-02-06 14:16:44,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4003 to 2714. [2025-02-06 14:16:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2714 states, 2539 states have (on average 1.0614415124064593) internal successors, (2695), 2541 states have internal predecessors, (2695), 170 states have call successors, (170), 2 states have call predecessors, (170), 2 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2025-02-06 14:16:44,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2714 states and 3035 transitions. [2025-02-06 14:16:44,930 INFO L78 Accepts]: Start accepts. Automaton has 2714 states and 3035 transitions. Word has length 116 [2025-02-06 14:16:44,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:44,930 INFO L471 AbstractCegarLoop]: Abstraction has 2714 states and 3035 transitions. [2025-02-06 14:16:44,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2025-02-06 14:16:44,931 INFO L276 IsEmpty]: Start isEmpty. Operand 2714 states and 3035 transitions. [2025-02-06 14:16:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-02-06 14:16:44,933 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:44,933 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:44,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-06 14:16:45,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:45,134 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:45,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:45,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1452934561, now seen corresponding path program 3 times [2025-02-06 14:16:45,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:45,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914945058] [2025-02-06 14:16:45,135 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:16:45,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:45,141 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 136 statements into 7 equivalence classes. [2025-02-06 14:16:45,160 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 136 of 136 statements. [2025-02-06 14:16:45,160 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-02-06 14:16:45,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:45,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [357807787] [2025-02-06 14:16:45,161 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:16:45,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:45,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:45,168 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:45,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-06 14:16:45,192 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 136 statements into 7 equivalence classes. [2025-02-06 14:16:45,204 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 56 of 136 statements. [2025-02-06 14:16:45,204 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-06 14:16:45,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:45,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 14:16:45,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:45,237 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 101 proven. 5 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2025-02-06 14:16:45,237 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:45,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:45,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914945058] [2025-02-06 14:16:45,391 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:45,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357807787] [2025-02-06 14:16:45,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357807787] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:45,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:45,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 14:16:45,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252142738] [2025-02-06 14:16:45,391 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:45,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:16:45,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:45,392 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:16:45,392 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:16:45,392 INFO L87 Difference]: Start difference. First operand 2714 states and 3035 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:16:45,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:45,506 INFO L93 Difference]: Finished difference Result 3540 states and 3956 transitions. [2025-02-06 14:16:45,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:16:45,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 136 [2025-02-06 14:16:45,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:45,514 INFO L225 Difference]: With dead ends: 3540 [2025-02-06 14:16:45,514 INFO L226 Difference]: Without dead ends: 2128 [2025-02-06 14:16:45,516 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:16:45,519 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 14 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:45,520 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 98 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:16:45,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2025-02-06 14:16:45,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2127. [2025-02-06 14:16:45,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2127 states, 1988 states have (on average 1.0583501006036218) internal successors, (2104), 1990 states have internal predecessors, (2104), 134 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2025-02-06 14:16:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 2372 transitions. [2025-02-06 14:16:45,584 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 2372 transitions. Word has length 136 [2025-02-06 14:16:45,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:45,584 INFO L471 AbstractCegarLoop]: Abstraction has 2127 states and 2372 transitions. [2025-02-06 14:16:45,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:16:45,585 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2372 transitions. [2025-02-06 14:16:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-02-06 14:16:45,586 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:45,586 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:45,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:45,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:45,786 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:45,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:45,787 INFO L85 PathProgramCache]: Analyzing trace with hash -391187266, now seen corresponding path program 3 times [2025-02-06 14:16:45,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:45,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917879043] [2025-02-06 14:16:45,787 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:16:45,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:45,792 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 136 statements into 7 equivalence classes. [2025-02-06 14:16:45,809 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 136 of 136 statements. [2025-02-06 14:16:45,811 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-02-06 14:16:45,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:45,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [576645450] [2025-02-06 14:16:45,812 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:16:45,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:45,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:45,814 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:45,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-06 14:16:45,840 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 136 statements into 7 equivalence classes. [2025-02-06 14:16:45,862 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 116 of 136 statements. [2025-02-06 14:16:45,862 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-06 14:16:45,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:45,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:16:45,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:46,019 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-06 14:16:46,020 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-06 14:16:46,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:46,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917879043] [2025-02-06 14:16:46,235 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:46,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [576645450] [2025-02-06 14:16:46,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [576645450] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:46,235 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:16:46,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-06 14:16:46,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076450743] [2025-02-06 14:16:46,236 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:46,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:16:46,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:46,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:16:46,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:16:46,237 INFO L87 Difference]: Start difference. First operand 2127 states and 2372 transitions. Second operand has 14 states, 13 states have (on average 12.0) internal successors, (156), 14 states have internal predecessors, (156), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2025-02-06 14:16:46,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:46,923 INFO L93 Difference]: Finished difference Result 2668 states and 2970 transitions. [2025-02-06 14:16:46,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-02-06 14:16:46,924 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.0) internal successors, (156), 14 states have internal predecessors, (156), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 136 [2025-02-06 14:16:46,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:46,930 INFO L225 Difference]: With dead ends: 2668 [2025-02-06 14:16:46,930 INFO L226 Difference]: Without dead ends: 2667 [2025-02-06 14:16:46,930 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=372, Invalid=1188, Unknown=0, NotChecked=0, Total=1560 [2025-02-06 14:16:46,931 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 276 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:46,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 349 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:16:46,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2667 states. [2025-02-06 14:16:46,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2667 to 2459. [2025-02-06 14:16:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2459 states, 2300 states have (on average 1.0560869565217392) internal successors, (2429), 2302 states have internal predecessors, (2429), 154 states have call successors, (154), 2 states have call predecessors, (154), 2 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2025-02-06 14:16:47,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2459 states to 2459 states and 2737 transitions. [2025-02-06 14:16:47,004 INFO L78 Accepts]: Start accepts. Automaton has 2459 states and 2737 transitions. Word has length 136 [2025-02-06 14:16:47,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:47,004 INFO L471 AbstractCegarLoop]: Abstraction has 2459 states and 2737 transitions. [2025-02-06 14:16:47,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.0) internal successors, (156), 14 states have internal predecessors, (156), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2025-02-06 14:16:47,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2459 states and 2737 transitions. [2025-02-06 14:16:47,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-02-06 14:16:47,006 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:47,006 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:47,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:47,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:47,210 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:47,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:47,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1551019805, now seen corresponding path program 4 times [2025-02-06 14:16:47,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:47,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236129422] [2025-02-06 14:16:47,211 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:16:47,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:47,216 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 136 statements into 2 equivalence classes. [2025-02-06 14:16:47,226 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 136 of 136 statements. [2025-02-06 14:16:47,227 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:16:47,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:47,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1192795668] [2025-02-06 14:16:47,228 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:16:47,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:47,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:47,230 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:47,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-06 14:16:47,253 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 136 statements into 2 equivalence classes. [2025-02-06 14:16:47,275 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 136 of 136 statements. [2025-02-06 14:16:47,275 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:16:47,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:47,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-02-06 14:16:47,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:47,635 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 9 proven. 218 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2025-02-06 14:16:47,635 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:47,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:47,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236129422] [2025-02-06 14:16:47,804 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:47,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1192795668] [2025-02-06 14:16:47,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1192795668] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:47,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:47,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2025-02-06 14:16:47,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593346604] [2025-02-06 14:16:47,805 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:47,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-02-06 14:16:47,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:47,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-02-06 14:16:47,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:16:47,806 INFO L87 Difference]: Start difference. First operand 2459 states and 2737 transitions. Second operand has 15 states, 14 states have (on average 6.642857142857143) internal successors, (93), 15 states have internal predecessors, (93), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 14:16:48,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:48,227 INFO L93 Difference]: Finished difference Result 2816 states and 3132 transitions. [2025-02-06 14:16:48,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:16:48,229 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.642857142857143) internal successors, (93), 15 states have internal predecessors, (93), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 136 [2025-02-06 14:16:48,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:48,235 INFO L225 Difference]: With dead ends: 2816 [2025-02-06 14:16:48,235 INFO L226 Difference]: Without dead ends: 2815 [2025-02-06 14:16:48,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:16:48,236 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 25 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:48,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 360 Invalid, 892 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:16:48,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2815 states. [2025-02-06 14:16:48,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2815 to 2491. [2025-02-06 14:16:48,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2491 states, 2330 states have (on average 1.0553648068669528) internal successors, (2459), 2332 states have internal predecessors, (2459), 156 states have call successors, (156), 2 states have call predecessors, (156), 2 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2025-02-06 14:16:48,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2491 states and 2771 transitions. [2025-02-06 14:16:48,332 INFO L78 Accepts]: Start accepts. Automaton has 2491 states and 2771 transitions. Word has length 136 [2025-02-06 14:16:48,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:48,332 INFO L471 AbstractCegarLoop]: Abstraction has 2491 states and 2771 transitions. [2025-02-06 14:16:48,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.642857142857143) internal successors, (93), 15 states have internal predecessors, (93), 6 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 14:16:48,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 2771 transitions. [2025-02-06 14:16:48,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-02-06 14:16:48,334 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:48,334 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:48,340 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-06 14:16:48,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-02-06 14:16:48,553 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:48,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:48,553 INFO L85 PathProgramCache]: Analyzing trace with hash -685105432, now seen corresponding path program 5 times [2025-02-06 14:16:48,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:48,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70380082] [2025-02-06 14:16:48,553 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:16:48,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:48,566 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 156 statements into 8 equivalence classes. [2025-02-06 14:16:48,583 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 156 of 156 statements. [2025-02-06 14:16:48,583 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-02-06 14:16:48,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:48,701 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 123 proven. 194 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-06 14:16:48,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:48,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70380082] [2025-02-06 14:16:48,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70380082] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:48,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666028679] [2025-02-06 14:16:48,702 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:16:48,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:48,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:48,707 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:48,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-06 14:16:48,733 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 156 statements into 8 equivalence classes. [2025-02-06 14:16:48,757 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 156 of 156 statements. [2025-02-06 14:16:48,757 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-02-06 14:16:48,757 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:48,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:16:48,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:48,914 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 109 proven. 208 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-06 14:16:48,914 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:49,071 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 109 proven. 208 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-06 14:16:49,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666028679] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:49,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:49,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 14 [2025-02-06 14:16:49,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748780287] [2025-02-06 14:16:49,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:49,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:16:49,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:49,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:16:49,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:16:49,072 INFO L87 Difference]: Start difference. First operand 2491 states and 2771 transitions. Second operand has 14 states, 14 states have (on average 12.642857142857142) internal successors, (177), 14 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-06 14:16:49,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:49,614 INFO L93 Difference]: Finished difference Result 5150 states and 5738 transitions. [2025-02-06 14:16:49,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:16:49,615 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.642857142857142) internal successors, (177), 14 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) Word has length 156 [2025-02-06 14:16:49,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:49,631 INFO L225 Difference]: With dead ends: 5150 [2025-02-06 14:16:49,634 INFO L226 Difference]: Without dead ends: 3902 [2025-02-06 14:16:49,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 301 SyntacticMatches, 7 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:16:49,642 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 26 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:49,642 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 552 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:16:49,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3902 states. [2025-02-06 14:16:49,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3902 to 2884. [2025-02-06 14:16:49,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2884 states, 2699 states have (on average 1.0496480177843646) internal successors, (2833), 2701 states have internal predecessors, (2833), 180 states have call successors, (180), 2 states have call predecessors, (180), 2 states have return successors, (180), 180 states have call predecessors, (180), 180 states have call successors, (180) [2025-02-06 14:16:49,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2884 states and 3193 transitions. [2025-02-06 14:16:49,759 INFO L78 Accepts]: Start accepts. Automaton has 2884 states and 3193 transitions. Word has length 156 [2025-02-06 14:16:49,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:49,760 INFO L471 AbstractCegarLoop]: Abstraction has 2884 states and 3193 transitions. [2025-02-06 14:16:49,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.642857142857142) internal successors, (177), 14 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-06 14:16:49,761 INFO L276 IsEmpty]: Start isEmpty. Operand 2884 states and 3193 transitions. [2025-02-06 14:16:49,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2025-02-06 14:16:49,762 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:49,762 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:49,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-06 14:16:49,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-02-06 14:16:49,963 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:49,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:49,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1243390131, now seen corresponding path program 6 times [2025-02-06 14:16:49,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:49,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181481517] [2025-02-06 14:16:49,964 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:16:49,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:49,969 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 176 statements into 9 equivalence classes. [2025-02-06 14:16:49,982 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 176 of 176 statements. [2025-02-06 14:16:49,982 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-02-06 14:16:49,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:49,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1491585869] [2025-02-06 14:16:49,983 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:16:49,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:49,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:49,985 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:49,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-06 14:16:50,017 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 176 statements into 9 equivalence classes. [2025-02-06 14:16:50,060 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 156 of 176 statements. [2025-02-06 14:16:50,060 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-02-06 14:16:50,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:50,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:16:50,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:50,337 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 0 proven. 340 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2025-02-06 14:16:50,338 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:50,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:50,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181481517] [2025-02-06 14:16:50,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:50,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491585869] [2025-02-06 14:16:50,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491585869] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:50,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:50,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:16:50,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757844357] [2025-02-06 14:16:50,460 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:50,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:16:50,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:50,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:16:50,461 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:50,461 INFO L87 Difference]: Start difference. First operand 2884 states and 3193 transitions. Second operand has 9 states, 8 states have (on average 11.5) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 14:16:50,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:50,754 INFO L93 Difference]: Finished difference Result 3241 states and 3586 transitions. [2025-02-06 14:16:50,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 14:16:50,754 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 176 [2025-02-06 14:16:50,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:50,762 INFO L225 Difference]: With dead ends: 3241 [2025-02-06 14:16:50,763 INFO L226 Difference]: Without dead ends: 3240 [2025-02-06 14:16:50,764 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:16:50,764 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 19 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:50,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 284 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:50,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3240 states. [2025-02-06 14:16:50,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3240 to 2932. [2025-02-06 14:16:50,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2932 states, 2744 states have (on average 1.0488338192419826) internal successors, (2878), 2746 states have internal predecessors, (2878), 183 states have call successors, (183), 2 states have call predecessors, (183), 2 states have return successors, (183), 183 states have call predecessors, (183), 183 states have call successors, (183) [2025-02-06 14:16:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2932 states and 3244 transitions. [2025-02-06 14:16:50,888 INFO L78 Accepts]: Start accepts. Automaton has 2932 states and 3244 transitions. Word has length 176 [2025-02-06 14:16:50,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:50,889 INFO L471 AbstractCegarLoop]: Abstraction has 2932 states and 3244 transitions. [2025-02-06 14:16:50,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.5) internal successors, (92), 9 states have internal predecessors, (92), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2025-02-06 14:16:50,889 INFO L276 IsEmpty]: Start isEmpty. Operand 2932 states and 3244 transitions. [2025-02-06 14:16:50,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-02-06 14:16:50,891 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:50,891 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:50,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-06 14:16:51,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-06 14:16:51,095 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:51,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:51,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1674513934, now seen corresponding path program 2 times [2025-02-06 14:16:51,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:51,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543712944] [2025-02-06 14:16:51,095 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:51,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:51,101 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 191 statements into 2 equivalence classes. [2025-02-06 14:16:51,108 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 191 of 191 statements. [2025-02-06 14:16:51,108 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:51,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 14:16:51,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:51,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543712944] [2025-02-06 14:16:51,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543712944] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:51,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076578407] [2025-02-06 14:16:51,244 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:51,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:51,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:51,250 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:51,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-06 14:16:51,277 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 191 statements into 2 equivalence classes. [2025-02-06 14:16:51,302 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 191 of 191 statements. [2025-02-06 14:16:51,302 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:51,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:51,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 14:16:51,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:51,424 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 14:16:51,425 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 14:16:51,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076578407] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:51,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:51,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2025-02-06 14:16:51,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103316108] [2025-02-06 14:16:51,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:51,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-06 14:16:51,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:51,674 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-06 14:16:51,674 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:16:51,674 INFO L87 Difference]: Start difference. First operand 2932 states and 3244 transitions. Second operand has 21 states, 20 states have (on average 14.5) internal successors, (290), 21 states have internal predecessors, (290), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-02-06 14:16:51,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:51,976 INFO L93 Difference]: Finished difference Result 5661 states and 6294 transitions. [2025-02-06 14:16:51,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-06 14:16:51,977 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 14.5) internal successors, (290), 21 states have internal predecessors, (290), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 191 [2025-02-06 14:16:51,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:51,999 INFO L225 Difference]: With dead ends: 5661 [2025-02-06 14:16:52,002 INFO L226 Difference]: Without dead ends: 5660 [2025-02-06 14:16:52,004 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:16:52,004 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 188 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:52,004 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 385 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:52,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5660 states. [2025-02-06 14:16:52,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5660 to 5642. [2025-02-06 14:16:52,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5642 states, 5284 states have (on average 1.0499621498864498) internal successors, (5548), 5286 states have internal predecessors, (5548), 353 states have call successors, (353), 2 states have call predecessors, (353), 2 states have return successors, (353), 353 states have call predecessors, (353), 353 states have call successors, (353) [2025-02-06 14:16:52,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5642 states to 5642 states and 6254 transitions. [2025-02-06 14:16:52,191 INFO L78 Accepts]: Start accepts. Automaton has 5642 states and 6254 transitions. Word has length 191 [2025-02-06 14:16:52,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:52,191 INFO L471 AbstractCegarLoop]: Abstraction has 5642 states and 6254 transitions. [2025-02-06 14:16:52,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 14.5) internal successors, (290), 21 states have internal predecessors, (290), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-02-06 14:16:52,191 INFO L276 IsEmpty]: Start isEmpty. Operand 5642 states and 6254 transitions. [2025-02-06 14:16:52,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-02-06 14:16:52,194 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:52,194 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:52,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-06 14:16:52,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-02-06 14:16:52,395 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:52,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:52,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1125280415, now seen corresponding path program 7 times [2025-02-06 14:16:52,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:52,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463570284] [2025-02-06 14:16:52,397 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 14:16:52,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:52,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-02-06 14:16:52,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-02-06 14:16:52,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:52,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:52,529 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 179 proven. 338 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-02-06 14:16:52,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:52,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463570284] [2025-02-06 14:16:52,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [463570284] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:52,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600704279] [2025-02-06 14:16:52,530 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 14:16:52,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:52,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:52,534 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:52,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-06 14:16:52,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-02-06 14:16:52,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-02-06 14:16:52,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:16:52,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:52,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:16:52,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:52,845 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 317 proven. 200 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-02-06 14:16:52,845 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:53,041 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 179 proven. 338 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2025-02-06 14:16:53,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600704279] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:53,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:53,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2025-02-06 14:16:53,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861160881] [2025-02-06 14:16:53,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:53,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 14:16:53,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:53,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 14:16:53,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:16:53,044 INFO L87 Difference]: Start difference. First operand 5642 states and 6254 transitions. Second operand has 22 states, 22 states have (on average 14.454545454545455) internal successors, (318), 22 states have internal predecessors, (318), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2025-02-06 14:16:53,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:53,705 INFO L93 Difference]: Finished difference Result 14856 states and 16530 transitions. [2025-02-06 14:16:53,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-02-06 14:16:53,705 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 14.454545454545455) internal successors, (318), 22 states have internal predecessors, (318), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) Word has length 196 [2025-02-06 14:16:53,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:53,723 INFO L225 Difference]: With dead ends: 14856 [2025-02-06 14:16:53,723 INFO L226 Difference]: Without dead ends: 10810 [2025-02-06 14:16:53,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 378 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=272, Invalid=784, Unknown=0, NotChecked=0, Total=1056 [2025-02-06 14:16:53,730 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 30 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:53,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 330 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:53,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10810 states. [2025-02-06 14:16:53,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10810 to 6377. [2025-02-06 14:16:53,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6377 states, 5972 states have (on average 1.0458807769591427) internal successors, (6246), 5974 states have internal predecessors, (6246), 400 states have call successors, (400), 2 states have call predecessors, (400), 2 states have return successors, (400), 400 states have call predecessors, (400), 400 states have call successors, (400) [2025-02-06 14:16:53,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6377 states to 6377 states and 7046 transitions. [2025-02-06 14:16:53,986 INFO L78 Accepts]: Start accepts. Automaton has 6377 states and 7046 transitions. Word has length 196 [2025-02-06 14:16:53,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:53,986 INFO L471 AbstractCegarLoop]: Abstraction has 6377 states and 7046 transitions. [2025-02-06 14:16:53,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 14.454545454545455) internal successors, (318), 22 states have internal predecessors, (318), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2025-02-06 14:16:53,987 INFO L276 IsEmpty]: Start isEmpty. Operand 6377 states and 7046 transitions. [2025-02-06 14:16:53,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-02-06 14:16:53,989 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:53,989 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:53,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-06 14:16:54,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-02-06 14:16:54,193 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:54,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:54,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2004560254, now seen corresponding path program 8 times [2025-02-06 14:16:54,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:54,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289434394] [2025-02-06 14:16:54,193 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:54,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:54,198 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 196 statements into 2 equivalence classes. [2025-02-06 14:16:54,204 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 196 of 196 statements. [2025-02-06 14:16:54,204 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:54,204 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:54,343 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 135 proven. 412 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 14:16:54,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:54,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289434394] [2025-02-06 14:16:54,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289434394] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:54,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1044420362] [2025-02-06 14:16:54,343 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:16:54,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:54,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:54,345 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:54,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-06 14:16:54,371 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 196 statements into 2 equivalence classes. [2025-02-06 14:16:54,395 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 196 of 196 statements. [2025-02-06 14:16:54,395 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:16:54,395 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:54,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:16:54,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:54,605 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 175 proven. 372 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 14:16:54,605 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:54,810 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 175 proven. 372 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-06 14:16:54,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1044420362] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:16:54,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:16:54,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 18 [2025-02-06 14:16:54,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994021230] [2025-02-06 14:16:54,811 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:54,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 14:16:54,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:54,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 14:16:54,812 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:16:54,812 INFO L87 Difference]: Start difference. First operand 6377 states and 7046 transitions. Second operand has 18 states, 18 states have (on average 13.11111111111111) internal successors, (236), 18 states have internal predecessors, (236), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-02-06 14:16:55,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:16:55,213 INFO L93 Difference]: Finished difference Result 7580 states and 8352 transitions. [2025-02-06 14:16:55,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-06 14:16:55,213 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 13.11111111111111) internal successors, (236), 18 states have internal predecessors, (236), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 196 [2025-02-06 14:16:55,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:16:55,222 INFO L225 Difference]: With dead ends: 7580 [2025-02-06 14:16:55,222 INFO L226 Difference]: Without dead ends: 6372 [2025-02-06 14:16:55,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 377 SyntacticMatches, 9 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:16:55,224 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 28 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 630 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 630 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:16:55,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 424 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:16:55,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6372 states. [2025-02-06 14:16:55,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6372 to 6370. [2025-02-06 14:16:55,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6370 states, 5965 states have (on average 1.0427493713327745) internal successors, (6220), 5967 states have internal predecessors, (6220), 400 states have call successors, (400), 2 states have call predecessors, (400), 2 states have return successors, (400), 400 states have call predecessors, (400), 400 states have call successors, (400) [2025-02-06 14:16:55,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6370 states to 6370 states and 7020 transitions. [2025-02-06 14:16:55,440 INFO L78 Accepts]: Start accepts. Automaton has 6370 states and 7020 transitions. Word has length 196 [2025-02-06 14:16:55,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:16:55,443 INFO L471 AbstractCegarLoop]: Abstraction has 6370 states and 7020 transitions. [2025-02-06 14:16:55,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 13.11111111111111) internal successors, (236), 18 states have internal predecessors, (236), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2025-02-06 14:16:55,443 INFO L276 IsEmpty]: Start isEmpty. Operand 6370 states and 7020 transitions. [2025-02-06 14:16:55,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2025-02-06 14:16:55,445 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:16:55,445 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:16:55,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-06 14:16:55,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-06 14:16:55,647 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:16:55,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:16:55,647 INFO L85 PathProgramCache]: Analyzing trace with hash -215710647, now seen corresponding path program 9 times [2025-02-06 14:16:55,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:16:55,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198251855] [2025-02-06 14:16:55,647 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:16:55,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:16:55,652 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 216 statements into 11 equivalence classes. [2025-02-06 14:16:55,675 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) and asserted 216 of 216 statements. [2025-02-06 14:16:55,676 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2025-02-06 14:16:55,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:16:55,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070870752] [2025-02-06 14:16:55,678 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:16:55,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:16:55,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:16:55,683 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:16:55,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-06 14:16:55,707 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 216 statements into 11 equivalence classes. [2025-02-06 14:16:55,751 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 136 of 216 statements. [2025-02-06 14:16:55,752 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-02-06 14:16:55,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:16:55,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:16:55,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:16:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 542 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2025-02-06 14:16:55,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:16:59,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:16:59,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198251855] [2025-02-06 14:16:59,998 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:16:59,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070870752] [2025-02-06 14:16:59,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070870752] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:16:59,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:16:59,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-02-06 14:16:59,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612105768] [2025-02-06 14:16:59,998 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:16:59,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:16:59,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:16:59,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:16:59,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=112, Unknown=1, NotChecked=0, Total=156 [2025-02-06 14:16:59,999 INFO L87 Difference]: Start difference. First operand 6370 states and 7020 transitions. Second operand has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 14:17:00,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:00,467 INFO L93 Difference]: Finished difference Result 6743 states and 7422 transitions. [2025-02-06 14:17:00,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:17:00,468 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 216 [2025-02-06 14:17:00,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:00,491 INFO L225 Difference]: With dead ends: 6743 [2025-02-06 14:17:00,491 INFO L226 Difference]: Without dead ends: 6742 [2025-02-06 14:17:00,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=43, Invalid=112, Unknown=1, NotChecked=0, Total=156 [2025-02-06 14:17:00,499 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 19 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:00,499 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 238 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:17:00,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6742 states. [2025-02-06 14:17:00,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6742 to 6377. [2025-02-06 14:17:00,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6377 states, 5972 states have (on average 1.0426992632283991) internal successors, (6227), 5974 states have internal predecessors, (6227), 400 states have call successors, (400), 2 states have call predecessors, (400), 2 states have return successors, (400), 400 states have call predecessors, (400), 400 states have call successors, (400) [2025-02-06 14:17:00,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6377 states to 6377 states and 7027 transitions. [2025-02-06 14:17:00,811 INFO L78 Accepts]: Start accepts. Automaton has 6377 states and 7027 transitions. Word has length 216 [2025-02-06 14:17:00,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:00,812 INFO L471 AbstractCegarLoop]: Abstraction has 6377 states and 7027 transitions. [2025-02-06 14:17:00,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-06 14:17:00,812 INFO L276 IsEmpty]: Start isEmpty. Operand 6377 states and 7027 transitions. [2025-02-06 14:17:00,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2025-02-06 14:17:00,814 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:00,815 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:00,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-06 14:17:01,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:01,016 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:01,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:01,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1090349116, now seen corresponding path program 2 times [2025-02-06 14:17:01,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:01,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952341770] [2025-02-06 14:17:01,016 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:17:01,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:01,022 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 228 statements into 2 equivalence classes. [2025-02-06 14:17:01,030 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 228 of 228 statements. [2025-02-06 14:17:01,030 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:17:01,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 0 proven. 830 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-06 14:17:01,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:01,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952341770] [2025-02-06 14:17:01,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952341770] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:01,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953555229] [2025-02-06 14:17:01,226 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:17:01,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:01,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:01,229 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:01,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-06 14:17:01,255 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 228 statements into 2 equivalence classes. [2025-02-06 14:17:01,282 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 228 of 228 statements. [2025-02-06 14:17:01,282 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:17:01,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:01,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:17:01,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:01,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 0 proven. 830 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-06 14:17:01,427 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 0 proven. 830 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-06 14:17:01,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953555229] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:17:01,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:17:01,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2025-02-06 14:17:01,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323296832] [2025-02-06 14:17:01,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:01,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-02-06 14:17:01,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:01,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-02-06 14:17:01,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:17:01,731 INFO L87 Difference]: Start difference. First operand 6377 states and 7027 transitions. Second operand has 25 states, 24 states have (on average 14.333333333333334) internal successors, (344), 25 states have internal predecessors, (344), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2025-02-06 14:17:02,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:02,219 INFO L93 Difference]: Finished difference Result 10218 states and 11575 transitions. [2025-02-06 14:17:02,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-02-06 14:17:02,219 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 14.333333333333334) internal successors, (344), 25 states have internal predecessors, (344), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) Word has length 228 [2025-02-06 14:17:02,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:02,231 INFO L225 Difference]: With dead ends: 10218 [2025-02-06 14:17:02,231 INFO L226 Difference]: Without dead ends: 10217 [2025-02-06 14:17:02,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:17:02,232 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 14 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:02,232 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 195 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:17:02,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10217 states. [2025-02-06 14:17:02,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10217 to 10217. [2025-02-06 14:17:02,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10217 states, 9572 states have (on average 1.0504596740493104) internal successors, (10055), 9574 states have internal predecessors, (10055), 640 states have call successors, (640), 2 states have call predecessors, (640), 2 states have return successors, (640), 640 states have call predecessors, (640), 640 states have call successors, (640) [2025-02-06 14:17:02,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10217 states to 10217 states and 11335 transitions. [2025-02-06 14:17:02,537 INFO L78 Accepts]: Start accepts. Automaton has 10217 states and 11335 transitions. Word has length 228 [2025-02-06 14:17:02,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:02,537 INFO L471 AbstractCegarLoop]: Abstraction has 10217 states and 11335 transitions. [2025-02-06 14:17:02,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 14.333333333333334) internal successors, (344), 25 states have internal predecessors, (344), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2025-02-06 14:17:02,538 INFO L276 IsEmpty]: Start isEmpty. Operand 10217 states and 11335 transitions. [2025-02-06 14:17:02,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2025-02-06 14:17:02,540 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:02,540 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:02,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-06 14:17:02,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:02,780 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:02,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:02,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1008235628, now seen corresponding path program 10 times [2025-02-06 14:17:02,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:02,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979186411] [2025-02-06 14:17:02,780 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:17:02,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:02,789 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 236 statements into 2 equivalence classes. [2025-02-06 14:17:02,804 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 236 of 236 statements. [2025-02-06 14:17:02,804 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:17:02,804 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 189 proven. 652 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-06 14:17:03,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:03,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979186411] [2025-02-06 14:17:03,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979186411] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:03,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365563932] [2025-02-06 14:17:03,134 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:17:03,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:03,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:03,136 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:03,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-06 14:17:03,161 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 236 statements into 2 equivalence classes. [2025-02-06 14:17:03,190 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 236 of 236 statements. [2025-02-06 14:17:03,190 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:17:03,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:03,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:17:03,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:03,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 257 proven. 584 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-06 14:17:03,564 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:03,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 257 proven. 584 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-06 14:17:03,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365563932] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:17:03,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:17:03,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 22 [2025-02-06 14:17:03,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385942032] [2025-02-06 14:17:03,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:03,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 14:17:03,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:03,832 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 14:17:03,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=347, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:17:03,833 INFO L87 Difference]: Start difference. First operand 10217 states and 11335 transitions. Second operand has 22 states, 22 states have (on average 13.363636363636363) internal successors, (294), 22 states have internal predecessors, (294), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-02-06 14:17:04,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:04,611 INFO L93 Difference]: Finished difference Result 23068 states and 25685 transitions. [2025-02-06 14:17:04,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-02-06 14:17:04,614 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 13.363636363636363) internal successors, (294), 22 states have internal predecessors, (294), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 236 [2025-02-06 14:17:04,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:04,634 INFO L225 Difference]: With dead ends: 23068 [2025-02-06 14:17:04,634 INFO L226 Difference]: Without dead ends: 16820 [2025-02-06 14:17:04,643 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 453 SyntacticMatches, 11 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=304, Invalid=1028, Unknown=0, NotChecked=0, Total=1332 [2025-02-06 14:17:04,644 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 25 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 614 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 625 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:04,644 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 404 Invalid, 625 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 614 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:17:04,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16820 states. [2025-02-06 14:17:05,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16820 to 11652. [2025-02-06 14:17:05,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11652 states, 10917 states have (on average 1.047448932857012) internal successors, (11435), 10919 states have internal predecessors, (11435), 730 states have call successors, (730), 2 states have call predecessors, (730), 2 states have return successors, (730), 730 states have call predecessors, (730), 730 states have call successors, (730) [2025-02-06 14:17:05,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11652 states to 11652 states and 12895 transitions. [2025-02-06 14:17:05,289 INFO L78 Accepts]: Start accepts. Automaton has 11652 states and 12895 transitions. Word has length 236 [2025-02-06 14:17:05,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:05,290 INFO L471 AbstractCegarLoop]: Abstraction has 11652 states and 12895 transitions. [2025-02-06 14:17:05,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 13.363636363636363) internal successors, (294), 22 states have internal predecessors, (294), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2025-02-06 14:17:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 11652 states and 12895 transitions. [2025-02-06 14:17:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2025-02-06 14:17:05,292 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:05,292 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:05,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-02-06 14:17:05,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:05,493 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:05,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:05,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1004698079, now seen corresponding path program 11 times [2025-02-06 14:17:05,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:05,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702742807] [2025-02-06 14:17:05,494 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:17:05,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:05,500 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 256 statements into 13 equivalence classes. [2025-02-06 14:17:05,521 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 256 of 256 statements. [2025-02-06 14:17:05,521 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-02-06 14:17:05,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:05,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149647074] [2025-02-06 14:17:05,522 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:17:05,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:05,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:05,524 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:05,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-06 14:17:05,555 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 256 statements into 13 equivalence classes. [2025-02-06 14:17:05,602 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 256 of 256 statements. [2025-02-06 14:17:05,602 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-02-06 14:17:05,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:05,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 57 conjuncts are in the unsatisfiable core [2025-02-06 14:17:05,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 45 proven. 976 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2025-02-06 14:17:07,493 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:07,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:07,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702742807] [2025-02-06 14:17:07,668 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:07,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149647074] [2025-02-06 14:17:07,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149647074] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:07,668 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:07,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2025-02-06 14:17:07,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647045412] [2025-02-06 14:17:07,669 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:07,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-02-06 14:17:07,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:07,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-02-06 14:17:07,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=890, Unknown=0, NotChecked=0, Total=992 [2025-02-06 14:17:07,670 INFO L87 Difference]: Start difference. First operand 11652 states and 12895 transitions. Second operand has 30 states, 29 states have (on average 6.103448275862069) internal successors, (177), 30 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-06 14:17:09,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:09,638 INFO L93 Difference]: Finished difference Result 13698 states and 15101 transitions. [2025-02-06 14:17:09,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-02-06 14:17:09,642 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 6.103448275862069) internal successors, (177), 30 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) Word has length 256 [2025-02-06 14:17:09,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:09,657 INFO L225 Difference]: With dead ends: 13698 [2025-02-06 14:17:09,657 INFO L226 Difference]: Without dead ends: 12346 [2025-02-06 14:17:09,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=217, Invalid=1589, Unknown=0, NotChecked=0, Total=1806 [2025-02-06 14:17:09,662 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 43 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 2721 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 2728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:09,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 669 Invalid, 2728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 2721 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-06 14:17:09,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12346 states. [2025-02-06 14:17:10,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12346 to 11675. [2025-02-06 14:17:10,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11675 states, 10939 states have (on average 1.0472620897705458) internal successors, (11456), 10941 states have internal predecessors, (11456), 731 states have call successors, (731), 2 states have call predecessors, (731), 2 states have return successors, (731), 731 states have call predecessors, (731), 731 states have call successors, (731) [2025-02-06 14:17:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11675 states to 11675 states and 12918 transitions. [2025-02-06 14:17:10,068 INFO L78 Accepts]: Start accepts. Automaton has 11675 states and 12918 transitions. Word has length 256 [2025-02-06 14:17:10,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:10,070 INFO L471 AbstractCegarLoop]: Abstraction has 11675 states and 12918 transitions. [2025-02-06 14:17:10,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 6.103448275862069) internal successors, (177), 30 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2025-02-06 14:17:10,070 INFO L276 IsEmpty]: Start isEmpty. Operand 11675 states and 12918 transitions. [2025-02-06 14:17:10,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2025-02-06 14:17:10,072 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:10,072 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:10,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-02-06 14:17:10,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-02-06 14:17:10,276 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:10,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:10,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1194305057, now seen corresponding path program 12 times [2025-02-06 14:17:10,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:10,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800231755] [2025-02-06 14:17:10,277 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:17:10,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:10,285 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 256 statements into 13 equivalence classes. [2025-02-06 14:17:10,300 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) and asserted 256 of 256 statements. [2025-02-06 14:17:10,303 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 13 check-sat command(s) [2025-02-06 14:17:10,304 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:10,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1130772498] [2025-02-06 14:17:10,305 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:17:10,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:10,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:10,308 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:10,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-06 14:17:10,335 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 256 statements into 13 equivalence classes. [2025-02-06 14:17:10,416 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 236 of 256 statements. [2025-02-06 14:17:10,416 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-02-06 14:17:10,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:10,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 14:17:10,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:11,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 0 proven. 792 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2025-02-06 14:17:11,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:11,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:11,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800231755] [2025-02-06 14:17:11,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:11,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130772498] [2025-02-06 14:17:11,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130772498] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:11,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:11,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2025-02-06 14:17:11,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180151538] [2025-02-06 14:17:11,368 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:11,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 14:17:11,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:11,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 14:17:11,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:17:11,372 INFO L87 Difference]: Start difference. First operand 11675 states and 12918 transitions. Second operand has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-02-06 14:17:12,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:12,170 INFO L93 Difference]: Finished difference Result 12783 states and 14133 transitions. [2025-02-06 14:17:12,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-06 14:17:12,170 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) Word has length 256 [2025-02-06 14:17:12,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:12,184 INFO L225 Difference]: With dead ends: 12783 [2025-02-06 14:17:12,185 INFO L226 Difference]: Without dead ends: 12782 [2025-02-06 14:17:12,187 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:17:12,187 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 19 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 1302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:12,188 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 683 Invalid, 1302 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1302 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:17:12,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12782 states. [2025-02-06 14:17:12,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12782 to 12049. [2025-02-06 14:17:12,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12049 states, 11290 states have (on average 1.0474756421612046) internal successors, (11826), 11292 states have internal predecessors, (11826), 754 states have call successors, (754), 2 states have call predecessors, (754), 2 states have return successors, (754), 754 states have call predecessors, (754), 754 states have call successors, (754) [2025-02-06 14:17:12,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12049 states to 12049 states and 13334 transitions. [2025-02-06 14:17:12,596 INFO L78 Accepts]: Start accepts. Automaton has 12049 states and 13334 transitions. Word has length 256 [2025-02-06 14:17:12,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:12,597 INFO L471 AbstractCegarLoop]: Abstraction has 12049 states and 13334 transitions. [2025-02-06 14:17:12,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.133333333333333) internal successors, (122), 16 states have internal predecessors, (122), 8 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2025-02-06 14:17:12,597 INFO L276 IsEmpty]: Start isEmpty. Operand 12049 states and 13334 transitions. [2025-02-06 14:17:12,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2025-02-06 14:17:12,599 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:12,599 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:12,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-02-06 14:17:12,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-02-06 14:17:12,804 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:12,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:12,804 INFO L85 PathProgramCache]: Analyzing trace with hash -266988374, now seen corresponding path program 13 times [2025-02-06 14:17:12,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:12,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598153413] [2025-02-06 14:17:12,804 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 14:17:12,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:12,810 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-02-06 14:17:12,816 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-02-06 14:17:12,816 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:12,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:13,091 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 287 proven. 912 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-06 14:17:13,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:13,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [598153413] [2025-02-06 14:17:13,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [598153413] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:13,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55641567] [2025-02-06 14:17:13,091 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 14:17:13,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:13,092 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:13,095 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:13,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-06 14:17:13,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 276 statements into 1 equivalence classes. [2025-02-06 14:17:13,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 276 of 276 statements. [2025-02-06 14:17:13,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:13,154 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:13,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:17:13,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:13,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-06 14:17:13,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-06 14:17:13,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55641567] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:17:13,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:17:13,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 24 [2025-02-06 14:17:13,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109669729] [2025-02-06 14:17:13,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:13,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-06 14:17:13,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:13,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-06 14:17:13,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2025-02-06 14:17:13,765 INFO L87 Difference]: Start difference. First operand 12049 states and 13334 transitions. Second operand has 24 states, 24 states have (on average 13.583333333333334) internal successors, (326), 24 states have internal predecessors, (326), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) [2025-02-06 14:17:14,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:14,978 INFO L93 Difference]: Finished difference Result 26189 states and 29069 transitions. [2025-02-06 14:17:14,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 14:17:14,979 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 13.583333333333334) internal successors, (326), 24 states have internal predecessors, (326), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) Word has length 276 [2025-02-06 14:17:14,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:15,006 INFO L225 Difference]: With dead ends: 26189 [2025-02-06 14:17:15,006 INFO L226 Difference]: Without dead ends: 18292 [2025-02-06 14:17:15,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 572 GetRequests, 531 SyntacticMatches, 13 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2025-02-06 14:17:15,021 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 26 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:15,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 745 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1215 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:17:15,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18292 states. [2025-02-06 14:17:15,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18292 to 13683. [2025-02-06 14:17:15,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13683 states, 12822 states have (on average 1.042973015130245) internal successors, (13373), 12824 states have internal predecessors, (13373), 856 states have call successors, (856), 2 states have call predecessors, (856), 2 states have return successors, (856), 856 states have call predecessors, (856), 856 states have call successors, (856) [2025-02-06 14:17:15,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13683 states to 13683 states and 15085 transitions. [2025-02-06 14:17:15,756 INFO L78 Accepts]: Start accepts. Automaton has 13683 states and 15085 transitions. Word has length 276 [2025-02-06 14:17:15,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:15,756 INFO L471 AbstractCegarLoop]: Abstraction has 13683 states and 15085 transitions. [2025-02-06 14:17:15,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.583333333333334) internal successors, (326), 24 states have internal predecessors, (326), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) [2025-02-06 14:17:15,756 INFO L276 IsEmpty]: Start isEmpty. Operand 13683 states and 15085 transitions. [2025-02-06 14:17:15,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2025-02-06 14:17:15,759 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:15,759 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:15,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-02-06 14:17:15,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-06 14:17:15,960 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:15,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:15,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1369038475, now seen corresponding path program 14 times [2025-02-06 14:17:15,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:15,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416679913] [2025-02-06 14:17:15,961 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:17:15,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:15,970 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 296 statements into 2 equivalence classes. [2025-02-06 14:17:15,993 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 296 of 296 statements. [2025-02-06 14:17:15,994 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:17:15,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:15,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1926841699] [2025-02-06 14:17:15,995 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:17:15,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:15,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:16,000 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:16,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-06 14:17:16,028 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 296 statements into 2 equivalence classes. [2025-02-06 14:17:16,064 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 296 of 296 statements. [2025-02-06 14:17:16,064 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:17:16,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:16,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:17:16,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1090 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2025-02-06 14:17:16,622 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:17,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:17,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416679913] [2025-02-06 14:17:17,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:17,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926841699] [2025-02-06 14:17:17,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1926841699] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:17,101 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:17,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-06 14:17:17,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68844267] [2025-02-06 14:17:17,102 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:17,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:17:17,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:17,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:17:17,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:17:17,103 INFO L87 Difference]: Start difference. First operand 13683 states and 15085 transitions. Second operand has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2025-02-06 14:17:17,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:17,718 INFO L93 Difference]: Finished difference Result 15092 states and 16616 transitions. [2025-02-06 14:17:17,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:17:17,719 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 296 [2025-02-06 14:17:17,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:17,733 INFO L225 Difference]: With dead ends: 15092 [2025-02-06 14:17:17,733 INFO L226 Difference]: Without dead ends: 15091 [2025-02-06 14:17:17,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 433 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=167, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:17:17,737 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 19 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:17,737 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 199 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:17:17,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15091 states. [2025-02-06 14:17:18,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15091 to 13779. [2025-02-06 14:17:18,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13779 states, 12912 states have (on average 1.042673482032218) internal successors, (13463), 12914 states have internal predecessors, (13463), 862 states have call successors, (862), 2 states have call predecessors, (862), 2 states have return successors, (862), 862 states have call predecessors, (862), 862 states have call successors, (862) [2025-02-06 14:17:18,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13779 states to 13779 states and 15187 transitions. [2025-02-06 14:17:18,213 INFO L78 Accepts]: Start accepts. Automaton has 13779 states and 15187 transitions. Word has length 296 [2025-02-06 14:17:18,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:18,213 INFO L471 AbstractCegarLoop]: Abstraction has 13779 states and 15187 transitions. [2025-02-06 14:17:18,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 12.454545454545455) internal successors, (137), 12 states have internal predecessors, (137), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2025-02-06 14:17:18,213 INFO L276 IsEmpty]: Start isEmpty. Operand 13779 states and 15187 transitions. [2025-02-06 14:17:18,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2025-02-06 14:17:18,216 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:18,216 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:18,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2025-02-06 14:17:18,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:18,416 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:18,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:18,417 INFO L85 PathProgramCache]: Analyzing trace with hash 602706723, now seen corresponding path program 15 times [2025-02-06 14:17:18,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:18,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291468539] [2025-02-06 14:17:18,417 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:17:18,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:18,423 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 316 statements into 16 equivalence classes. [2025-02-06 14:17:18,442 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) and asserted 316 of 316 statements. [2025-02-06 14:17:18,443 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2025-02-06 14:17:18,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:18,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119079182] [2025-02-06 14:17:18,444 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:17:18,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:18,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:18,446 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:18,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-06 14:17:18,473 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 316 statements into 16 equivalence classes. [2025-02-06 14:17:18,490 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 96 of 316 statements. [2025-02-06 14:17:18,490 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-06 14:17:18,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:18,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-02-06 14:17:18,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 663 proven. 71 refuted. 0 times theorem prover too weak. 1215 trivial. 0 not checked. [2025-02-06 14:17:19,201 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:19,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:19,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291468539] [2025-02-06 14:17:19,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:19,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119079182] [2025-02-06 14:17:19,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119079182] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:19,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:19,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2025-02-06 14:17:19,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114410779] [2025-02-06 14:17:19,402 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:19,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-06 14:17:19,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:19,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-06 14:17:19,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:17:19,403 INFO L87 Difference]: Start difference. First operand 13779 states and 15187 transitions. Second operand has 19 states, 18 states have (on average 5.055555555555555) internal successors, (91), 19 states have internal predecessors, (91), 5 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-06 14:17:20,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:20,812 INFO L93 Difference]: Finished difference Result 15197 states and 16724 transitions. [2025-02-06 14:17:20,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-02-06 14:17:20,815 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.055555555555555) internal successors, (91), 19 states have internal predecessors, (91), 5 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) Word has length 316 [2025-02-06 14:17:20,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:20,831 INFO L225 Difference]: With dead ends: 15197 [2025-02-06 14:17:20,832 INFO L226 Difference]: Without dead ends: 12892 [2025-02-06 14:17:20,840 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 342 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=207, Invalid=1199, Unknown=0, NotChecked=0, Total=1406 [2025-02-06 14:17:20,840 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 59 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:20,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 299 Invalid, 1583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1573 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-06 14:17:20,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12892 states. [2025-02-06 14:17:21,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12892 to 12890. [2025-02-06 14:17:21,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12890 states, 12078 states have (on average 1.0428051001821494) internal successors, (12595), 12080 states have internal predecessors, (12595), 807 states have call successors, (807), 2 states have call predecessors, (807), 2 states have return successors, (807), 807 states have call predecessors, (807), 807 states have call successors, (807) [2025-02-06 14:17:21,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12890 states to 12890 states and 14209 transitions. [2025-02-06 14:17:21,394 INFO L78 Accepts]: Start accepts. Automaton has 12890 states and 14209 transitions. Word has length 316 [2025-02-06 14:17:21,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:21,394 INFO L471 AbstractCegarLoop]: Abstraction has 12890 states and 14209 transitions. [2025-02-06 14:17:21,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.055555555555555) internal successors, (91), 19 states have internal predecessors, (91), 5 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (7), 6 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-06 14:17:21,394 INFO L276 IsEmpty]: Start isEmpty. Operand 12890 states and 14209 transitions. [2025-02-06 14:17:21,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2025-02-06 14:17:21,398 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:21,398 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:21,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2025-02-06 14:17:21,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-06 14:17:21,602 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:21,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:21,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1391162977, now seen corresponding path program 16 times [2025-02-06 14:17:21,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:21,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827813382] [2025-02-06 14:17:21,603 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:17:21,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:21,609 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 316 statements into 2 equivalence classes. [2025-02-06 14:17:21,628 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 316 of 316 statements. [2025-02-06 14:17:21,628 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:17:21,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:21,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1895868901] [2025-02-06 14:17:21,631 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 14:17:21,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:21,631 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:21,635 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:21,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-06 14:17:21,660 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 316 statements into 2 equivalence classes. [2025-02-06 14:17:21,707 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 316 of 316 statements. [2025-02-06 14:17:21,707 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 14:17:21,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:21,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 76 conjuncts are in the unsatisfiable core [2025-02-06 14:17:21,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:24,666 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-02-06 14:17:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 2005 backedges. 54 proven. 1608 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2025-02-06 14:17:24,754 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:25,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:25,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827813382] [2025-02-06 14:17:25,022 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:25,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895868901] [2025-02-06 14:17:25,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895868901] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:25,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:25,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2025-02-06 14:17:25,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556321084] [2025-02-06 14:17:25,023 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:25,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2025-02-06 14:17:25,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:25,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2025-02-06 14:17:25,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=358, Invalid=2834, Unknown=0, NotChecked=0, Total=3192 [2025-02-06 14:17:25,026 INFO L87 Difference]: Start difference. First operand 12890 states and 14209 transitions. Second operand has 53 states, 51 states have (on average 4.764705882352941) internal successors, (243), 50 states have internal predecessors, (243), 17 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 14:17:28,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:28,632 INFO L93 Difference]: Finished difference Result 13633 states and 15000 transitions. [2025-02-06 14:17:28,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-02-06 14:17:28,633 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 51 states have (on average 4.764705882352941) internal successors, (243), 50 states have internal predecessors, (243), 17 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) Word has length 316 [2025-02-06 14:17:28,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:28,649 INFO L225 Difference]: With dead ends: 13633 [2025-02-06 14:17:28,649 INFO L226 Difference]: Without dead ends: 13632 [2025-02-06 14:17:28,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2220 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=712, Invalid=5768, Unknown=0, NotChecked=0, Total=6480 [2025-02-06 14:17:28,653 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 125 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 5198 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 5204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 5198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:28,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 795 Invalid, 5204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 5198 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-02-06 14:17:28,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13632 states. [2025-02-06 14:17:29,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13632 to 12977. [2025-02-06 14:17:29,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12977 states, 12160 states have (on average 1.0425986842105264) internal successors, (12678), 12162 states have internal predecessors, (12678), 812 states have call successors, (812), 2 states have call predecessors, (812), 2 states have return successors, (812), 812 states have call predecessors, (812), 812 states have call successors, (812) [2025-02-06 14:17:29,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12977 states to 12977 states and 14302 transitions. [2025-02-06 14:17:29,276 INFO L78 Accepts]: Start accepts. Automaton has 12977 states and 14302 transitions. Word has length 316 [2025-02-06 14:17:29,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:29,277 INFO L471 AbstractCegarLoop]: Abstraction has 12977 states and 14302 transitions. [2025-02-06 14:17:29,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 51 states have (on average 4.764705882352941) internal successors, (243), 50 states have internal predecessors, (243), 17 states have call successors, (17), 1 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-06 14:17:29,277 INFO L276 IsEmpty]: Start isEmpty. Operand 12977 states and 14302 transitions. [2025-02-06 14:17:29,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2025-02-06 14:17:29,281 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:29,281 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:29,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2025-02-06 14:17:29,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-06 14:17:29,485 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:29,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:29,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1592522048, now seen corresponding path program 17 times [2025-02-06 14:17:29,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:29,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457162901] [2025-02-06 14:17:29,486 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:17:29,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:29,495 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 316 statements into 16 equivalence classes. [2025-02-06 14:17:29,520 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 316 of 316 statements. [2025-02-06 14:17:29,521 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-02-06 14:17:29,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:29,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 483 proven. 1138 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2025-02-06 14:17:29,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:29,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457162901] [2025-02-06 14:17:29,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457162901] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:29,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1782981930] [2025-02-06 14:17:29,911 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 14:17:29,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:29,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:29,914 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:17:29,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-06 14:17:29,939 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 316 statements into 16 equivalence classes. [2025-02-06 14:17:29,989 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 316 of 316 statements. [2025-02-06 14:17:29,989 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-02-06 14:17:29,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:29,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-02-06 14:17:29,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 469 proven. 1152 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2025-02-06 14:17:30,368 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 469 proven. 1152 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2025-02-06 14:17:30,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1782981930] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:17:30,690 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:17:30,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 26 [2025-02-06 14:17:30,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350317479] [2025-02-06 14:17:30,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:30,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-02-06 14:17:30,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:30,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-02-06 14:17:30,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=480, Unknown=0, NotChecked=0, Total=650 [2025-02-06 14:17:30,691 INFO L87 Difference]: Start difference. First operand 12977 states and 14302 transitions. Second operand has 26 states, 26 states have (on average 13.73076923076923) internal successors, (357), 26 states have internal predecessors, (357), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2025-02-06 14:17:32,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:32,013 INFO L93 Difference]: Finished difference Result 25468 states and 28182 transitions. [2025-02-06 14:17:32,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-06 14:17:32,014 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 13.73076923076923) internal successors, (357), 26 states have internal predecessors, (357), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) Word has length 316 [2025-02-06 14:17:32,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:32,036 INFO L225 Difference]: With dead ends: 25468 [2025-02-06 14:17:32,036 INFO L226 Difference]: Without dead ends: 19220 [2025-02-06 14:17:32,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 609 SyntacticMatches, 15 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=268, Invalid=788, Unknown=0, NotChecked=0, Total=1056 [2025-02-06 14:17:32,044 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 25 mSDsluCounter, 837 mSDsCounter, 0 mSdLazyCounter, 1577 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 1579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:32,044 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 969 Invalid, 1579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1577 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:17:32,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19220 states. [2025-02-06 14:17:32,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19220 to 14883. [2025-02-06 14:17:32,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14883 states, 13947 states have (on average 1.0382878038287804) internal successors, (14481), 13949 states have internal predecessors, (14481), 931 states have call successors, (931), 2 states have call predecessors, (931), 2 states have return successors, (931), 931 states have call predecessors, (931), 931 states have call successors, (931) [2025-02-06 14:17:32,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14883 states to 14883 states and 16343 transitions. [2025-02-06 14:17:32,850 INFO L78 Accepts]: Start accepts. Automaton has 14883 states and 16343 transitions. Word has length 316 [2025-02-06 14:17:32,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:32,850 INFO L471 AbstractCegarLoop]: Abstraction has 14883 states and 16343 transitions. [2025-02-06 14:17:32,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 13.73076923076923) internal successors, (357), 26 states have internal predecessors, (357), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2025-02-06 14:17:32,850 INFO L276 IsEmpty]: Start isEmpty. Operand 14883 states and 16343 transitions. [2025-02-06 14:17:32,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2025-02-06 14:17:32,853 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:32,853 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:32,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-02-06 14:17:33,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-06 14:17:33,058 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:33,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:33,058 INFO L85 PathProgramCache]: Analyzing trace with hash -643440175, now seen corresponding path program 18 times [2025-02-06 14:17:33,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:33,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978913347] [2025-02-06 14:17:33,059 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:17:33,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:33,064 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 336 statements into 17 equivalence classes. [2025-02-06 14:17:33,083 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) and asserted 336 of 336 statements. [2025-02-06 14:17:33,083 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2025-02-06 14:17:33,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:33,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [580605549] [2025-02-06 14:17:33,084 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 14:17:33,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:33,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:33,086 INFO L229 MonitoredProcess]: Starting monitored process 38 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 14:17:33,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2025-02-06 14:17:33,114 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 336 statements into 17 equivalence classes. [2025-02-06 14:17:33,185 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) and asserted 316 of 336 statements. [2025-02-06 14:17:33,185 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2025-02-06 14:17:33,185 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:33,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 105 conjuncts are in the unsatisfiable core [2025-02-06 14:17:33,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:35,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 121 proven. 1772 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2025-02-06 14:17:35,141 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:35,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:35,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978913347] [2025-02-06 14:17:35,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:35,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [580605549] [2025-02-06 14:17:35,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [580605549] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:35,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:35,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2025-02-06 14:17:35,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319139775] [2025-02-06 14:17:35,401 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:35,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-02-06 14:17:35,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:35,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-02-06 14:17:35,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=2360, Unknown=0, NotChecked=0, Total=2652 [2025-02-06 14:17:35,403 INFO L87 Difference]: Start difference. First operand 14883 states and 16343 transitions. Second operand has 48 states, 47 states have (on average 5.276595744680851) internal successors, (248), 48 states have internal predecessors, (248), 16 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 17 states have call predecessors, (18), 16 states have call successors, (18) [2025-02-06 14:17:38,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:38,683 INFO L93 Difference]: Finished difference Result 15678 states and 17185 transitions. [2025-02-06 14:17:38,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-02-06 14:17:38,683 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 5.276595744680851) internal successors, (248), 48 states have internal predecessors, (248), 16 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 17 states have call predecessors, (18), 16 states have call successors, (18) Word has length 336 [2025-02-06 14:17:38,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:38,698 INFO L225 Difference]: With dead ends: 15678 [2025-02-06 14:17:38,698 INFO L226 Difference]: Without dead ends: 15677 [2025-02-06 14:17:38,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 695 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=415, Invalid=3745, Unknown=0, NotChecked=0, Total=4160 [2025-02-06 14:17:38,701 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 92 mSDsluCounter, 1046 mSDsCounter, 0 mSdLazyCounter, 8098 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1101 SdHoareTripleChecker+Invalid, 8110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 8098 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:38,701 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1101 Invalid, 8110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 8098 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2025-02-06 14:17:38,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15677 states. [2025-02-06 14:17:39,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15677 to 14883. [2025-02-06 14:17:39,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14883 states, 13947 states have (on average 1.0382161038216104) internal successors, (14480), 13949 states have internal predecessors, (14480), 931 states have call successors, (931), 2 states have call predecessors, (931), 2 states have return successors, (931), 931 states have call predecessors, (931), 931 states have call successors, (931) [2025-02-06 14:17:39,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14883 states to 14883 states and 16342 transitions. [2025-02-06 14:17:39,369 INFO L78 Accepts]: Start accepts. Automaton has 14883 states and 16342 transitions. Word has length 336 [2025-02-06 14:17:39,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:39,369 INFO L471 AbstractCegarLoop]: Abstraction has 14883 states and 16342 transitions. [2025-02-06 14:17:39,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 5.276595744680851) internal successors, (248), 48 states have internal predecessors, (248), 16 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (18), 17 states have call predecessors, (18), 16 states have call successors, (18) [2025-02-06 14:17:39,370 INFO L276 IsEmpty]: Start isEmpty. Operand 14883 states and 16342 transitions. [2025-02-06 14:17:39,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2025-02-06 14:17:39,374 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:39,374 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:39,380 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-02-06 14:17:39,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:39,575 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:39,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:39,575 INFO L85 PathProgramCache]: Analyzing trace with hash 197385549, now seen corresponding path program 19 times [2025-02-06 14:17:39,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:39,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455328691] [2025-02-06 14:17:39,575 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 14:17:39,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:39,585 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 336 statements into 1 equivalence classes. [2025-02-06 14:17:39,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 336 of 336 statements. [2025-02-06 14:17:39,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:39,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:17:39,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [816842601] [2025-02-06 14:17:39,605 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-06 14:17:39,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:39,605 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:39,609 INFO L229 MonitoredProcess]: Starting monitored process 39 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 14:17:39,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2025-02-06 14:17:39,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 336 statements into 1 equivalence classes. [2025-02-06 14:17:39,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 336 of 336 statements. [2025-02-06 14:17:39,696 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:17:39,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:39,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 112 conjuncts are in the unsatisfiable core [2025-02-06 14:17:39,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:41,518 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-02-06 14:17:42,182 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-02-06 14:17:42,747 WARN L672 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-02-06 14:17:43,273 WARN L672 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2025-02-06 14:17:43,833 WARN L672 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2025-02-06 14:17:44,447 WARN L672 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2025-02-06 14:17:45,284 WARN L672 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2025-02-06 14:17:46,132 WARN L672 sPolynomialRelations]: Constructing 8192(two to the power of 13 dual juncts. [2025-02-06 14:17:47,073 WARN L672 sPolynomialRelations]: Constructing 16384(two to the power of 14 dual juncts. [2025-02-06 14:17:48,306 WARN L672 sPolynomialRelations]: Constructing 32768(two to the power of 15 dual juncts. [2025-02-06 14:17:49,239 WARN L672 sPolynomialRelations]: Constructing 65536(two to the power of 16 dual juncts. [2025-02-06 14:17:51,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2260 backedges. 90 proven. 1806 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 14:17:51,391 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:17:51,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:51,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455328691] [2025-02-06 14:17:51,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:17:51,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816842601] [2025-02-06 14:17:51,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816842601] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:51,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:17:51,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2025-02-06 14:17:51,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211991125] [2025-02-06 14:17:51,833 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:17:51,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2025-02-06 14:17:51,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:17:51,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2025-02-06 14:17:51,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=366, Invalid=3924, Unknown=0, NotChecked=0, Total=4290 [2025-02-06 14:17:51,834 INFO L87 Difference]: Start difference. First operand 14883 states and 16342 transitions. Second operand has 61 states, 59 states have (on average 4.372881355932203) internal successors, (258), 59 states have internal predecessors, (258), 18 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 14:17:58,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:17:58,474 INFO L93 Difference]: Finished difference Result 15498 states and 16993 transitions. [2025-02-06 14:17:58,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-02-06 14:17:58,474 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 59 states have (on average 4.372881355932203) internal successors, (258), 59 states have internal predecessors, (258), 18 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) Word has length 336 [2025-02-06 14:17:58,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:17:58,492 INFO L225 Difference]: With dead ends: 15498 [2025-02-06 14:17:58,492 INFO L226 Difference]: Without dead ends: 15189 [2025-02-06 14:17:58,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2371 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=847, Invalid=9659, Unknown=0, NotChecked=0, Total=10506 [2025-02-06 14:17:58,497 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 189 mSDsluCounter, 1208 mSDsCounter, 0 mSdLazyCounter, 11376 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 1268 SdHoareTripleChecker+Invalid, 11397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 11376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:17:58,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 1268 Invalid, 11397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 11376 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2025-02-06 14:17:58,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15189 states. [2025-02-06 14:17:59,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15189 to 14883. [2025-02-06 14:17:59,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14883 states, 13947 states have (on average 1.0379293037929305) internal successors, (14476), 13949 states have internal predecessors, (14476), 931 states have call successors, (931), 2 states have call predecessors, (931), 2 states have return successors, (931), 931 states have call predecessors, (931), 931 states have call successors, (931) [2025-02-06 14:17:59,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14883 states to 14883 states and 16338 transitions. [2025-02-06 14:17:59,048 INFO L78 Accepts]: Start accepts. Automaton has 14883 states and 16338 transitions. Word has length 336 [2025-02-06 14:17:59,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:17:59,048 INFO L471 AbstractCegarLoop]: Abstraction has 14883 states and 16338 transitions. [2025-02-06 14:17:59,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 59 states have (on average 4.372881355932203) internal successors, (258), 59 states have internal predecessors, (258), 18 states have call successors, (18), 1 states have call predecessors, (18), 3 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 14:17:59,049 INFO L276 IsEmpty]: Start isEmpty. Operand 14883 states and 16338 transitions. [2025-02-06 14:17:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2025-02-06 14:17:59,052 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:17:59,052 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 13, 13, 13, 13, 13, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:17:59,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2025-02-06 14:17:59,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2025-02-06 14:17:59,256 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:17:59,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:17:59,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1634437460, now seen corresponding path program 20 times [2025-02-06 14:17:59,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:17:59,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249749507] [2025-02-06 14:17:59,257 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:17:59,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:17:59,263 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 336 statements into 2 equivalence classes. [2025-02-06 14:17:59,270 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 336 of 336 statements. [2025-02-06 14:17:59,270 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:17:59,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 2296 backedges. 1011 proven. 638 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2025-02-06 14:17:59,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:17:59,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249749507] [2025-02-06 14:17:59,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249749507] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:17:59,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762950421] [2025-02-06 14:17:59,509 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:17:59,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:17:59,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:17:59,512 INFO L229 MonitoredProcess]: Starting monitored process 40 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 14:17:59,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2025-02-06 14:17:59,539 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 336 statements into 2 equivalence classes. [2025-02-06 14:17:59,576 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 336 of 336 statements. [2025-02-06 14:17:59,576 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:17:59,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:17:59,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:17:59,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:17:59,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2296 backedges. 1285 proven. 584 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2025-02-06 14:17:59,850 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:00,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2296 backedges. 1065 proven. 584 refuted. 0 times theorem prover too weak. 647 trivial. 0 not checked. [2025-02-06 14:18:00,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762950421] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:18:00,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:18:00,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 21 [2025-02-06 14:18:00,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256502941] [2025-02-06 14:18:00,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:00,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-06 14:18:00,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:00,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-06 14:18:00,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2025-02-06 14:18:00,142 INFO L87 Difference]: Start difference. First operand 14883 states and 16338 transitions. Second operand has 21 states, 21 states have (on average 14.19047619047619) internal successors, (298), 21 states have internal predecessors, (298), 20 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 20 states have call predecessors, (22), 20 states have call successors, (22) [2025-02-06 14:18:01,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:18:01,068 INFO L93 Difference]: Finished difference Result 16454 states and 18034 transitions. [2025-02-06 14:18:01,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:18:01,068 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 14.19047619047619) internal successors, (298), 21 states have internal predecessors, (298), 20 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 20 states have call predecessors, (22), 20 states have call successors, (22) Word has length 336 [2025-02-06 14:18:01,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:18:01,086 INFO L225 Difference]: With dead ends: 16454 [2025-02-06 14:18:01,086 INFO L226 Difference]: Without dead ends: 14798 [2025-02-06 14:18:01,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 689 GetRequests, 654 SyntacticMatches, 11 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2025-02-06 14:18:01,094 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 30 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:18:01,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 671 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:18:01,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14798 states. [2025-02-06 14:18:01,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14798 to 14796. [2025-02-06 14:18:01,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14796 states, 13865 states have (on average 1.036711143166246) internal successors, (14374), 13867 states have internal predecessors, (14374), 926 states have call successors, (926), 2 states have call predecessors, (926), 2 states have return successors, (926), 926 states have call predecessors, (926), 926 states have call successors, (926) [2025-02-06 14:18:01,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14796 states to 14796 states and 16226 transitions. [2025-02-06 14:18:01,688 INFO L78 Accepts]: Start accepts. Automaton has 14796 states and 16226 transitions. Word has length 336 [2025-02-06 14:18:01,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:18:01,688 INFO L471 AbstractCegarLoop]: Abstraction has 14796 states and 16226 transitions. [2025-02-06 14:18:01,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 14.19047619047619) internal successors, (298), 21 states have internal predecessors, (298), 20 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 20 states have call predecessors, (22), 20 states have call successors, (22) [2025-02-06 14:18:01,688 INFO L276 IsEmpty]: Start isEmpty. Operand 14796 states and 16226 transitions. [2025-02-06 14:18:01,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2025-02-06 14:18:01,691 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:18:01,691 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:18:01,697 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-02-06 14:18:01,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:01,892 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-06 14:18:01,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:18:01,892 INFO L85 PathProgramCache]: Analyzing trace with hash -1725179125, now seen corresponding path program 21 times [2025-02-06 14:18:01,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:18:01,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894023315] [2025-02-06 14:18:01,893 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:18:01,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:18:01,898 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 336 statements into 17 equivalence classes. [2025-02-06 14:18:01,923 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) and asserted 336 of 336 statements. [2025-02-06 14:18:01,923 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2025-02-06 14:18:01,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:18:01,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1602012869] [2025-02-06 14:18:01,924 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:18:01,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:18:01,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:18:01,926 INFO L229 MonitoredProcess]: Starting monitored process 41 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 14:18:01,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2025-02-06 14:18:01,952 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 336 statements into 17 equivalence classes. [2025-02-06 14:18:02,023 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 196 of 336 statements. [2025-02-06 14:18:02,023 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-02-06 14:18:02,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:18:02,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 14:18:02,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:18:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2340 backedges. 0 proven. 1436 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2025-02-06 14:18:02,460 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:18:02,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:18:02,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894023315] [2025-02-06 14:18:02,577 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:18:02,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1602012869] [2025-02-06 14:18:02,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1602012869] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:18:02,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:18:02,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-06 14:18:02,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483275476] [2025-02-06 14:18:02,577 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:18:02,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:18:02,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:18:02,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:18:02,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:18:02,579 INFO L87 Difference]: Start difference. First operand 14796 states and 16226 transitions. Second operand has 13 states, 12 states have (on average 12.666666666666666) internal successors, (152), 13 states have internal predecessors, (152), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11)