./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.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-?-48c9605-m [2025-02-08 09:44:59,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:44:59,897 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:44:59,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:44:59,903 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:44:59,922 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:44:59,923 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:44:59,923 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:44:59,923 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:44:59,924 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:44:59,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:44:59,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:44:59,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:44:59,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:44:59,925 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:44:59,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:44:59,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:44:59,925 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:44:59,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:44:59,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:44:59,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:44:59,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:44:59,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:44:59,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:44:59,926 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:44:59,926 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:44:59,926 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:44:59,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:44:59,926 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:44:59,926 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:44:59,926 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:44:59,927 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:44:59,927 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:44:59,927 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:44:59,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:44:59,927 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:44:59,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:44:59,927 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:44:59,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:44:59,928 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:44:59,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:44:59,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:44:59,928 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:44:59,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:44:59,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:44:59,928 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 [2025-02-08 09:45:00,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:45:00,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:45:00,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:45:00,141 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:45:00,141 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:45:00,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c [2025-02-08 09:45:01,241 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e7e3aa623/011950be622c488a819546dd2c9a0ef3/FLAG9e69a16ed [2025-02-08 09:45:01,482 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:45:01,482 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound2.c [2025-02-08 09:45:01,488 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e7e3aa623/011950be622c488a819546dd2c9a0ef3/FLAG9e69a16ed [2025-02-08 09:45:01,808 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e7e3aa623/011950be622c488a819546dd2c9a0ef3 [2025-02-08 09:45:01,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:45:01,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:45:01,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:45:01,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:45:01,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:45:01,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4481a9af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01, skipping insertion in model container [2025-02-08 09:45:01,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,825 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:45:01,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:45:01,922 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:45:01,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:45:01,944 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:45:01,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01 WrapperNode [2025-02-08 09:45:01,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:45:01,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:45:01,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:45:01,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:45:01,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,965 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2025-02-08 09:45:01,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:45:01,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:45:01,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:45:01,966 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:45:01,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,974 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,985 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:45:01,986 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,987 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,988 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,989 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:45:01,990 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:45:01,990 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:45:01,990 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:45:01,991 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01" (1/1) ... [2025-02-08 09:45:01,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:45:02,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:02,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:45:02,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:45:02,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:45:02,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 09:45:02,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 09:45:02,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:45:02,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:45:02,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:45:02,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:45:02,031 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:45:02,067 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:45:02,069 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:45:02,211 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2025-02-08 09:45:02,212 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:45:02,219 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:45:02,219 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:45:02,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:45:02 BoogieIcfgContainer [2025-02-08 09:45:02,220 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:45:02,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:45:02,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:45:02,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:45:02,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:45:01" (1/3) ... [2025-02-08 09:45:02,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d01f223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:45:02, skipping insertion in model container [2025-02-08 09:45:02,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:45:01" (2/3) ... [2025-02-08 09:45:02,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d01f223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:45:02, skipping insertion in model container [2025-02-08 09:45:02,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:45:02" (3/3) ... [2025-02-08 09:45:02,226 INFO L128 eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound2.c [2025-02-08 09:45:02,235 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:45:02,238 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mannadiv_valuebound2.c that has 3 procedures, 60 locations, 1 initial locations, 1 loop locations, and 20 error locations. [2025-02-08 09:45:02,282 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:45:02,291 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;@6f16db0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:45:02,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-02-08 09:45:02,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 53 states have internal predecessors, (58), 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) [2025-02-08 09:45:02,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:45:02,299 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:02,299 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:02,299 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:45:02,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:02,302 INFO L85 PathProgramCache]: Analyzing trace with hash -1049707237, now seen corresponding path program 1 times [2025-02-08 09:45:02,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:02,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670431702] [2025-02-08 09:45:02,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:02,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:02,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:45:02,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:45:02,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:02,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:02,412 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:45:02,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:02,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670431702] [2025-02-08 09:45:02,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670431702] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:02,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642808977] [2025-02-08 09:45:02,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:02,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:02,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:02,417 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:02,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:45:02,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:45:02,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:45:02,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:02,473 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:02,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 09:45:02,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:02,487 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:45:02,487 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:45:02,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642808977] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:45:02,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:02,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 09:45:02,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16412429] [2025-02-08 09:45:02,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:45:02,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:45:02,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:02,503 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:45:02,503 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:45:02,504 INFO L87 Difference]: Start difference. First operand has 60 states, 33 states have (on average 1.7575757575757576) internal successors, (58), 53 states have internal predecessors, (58), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:45:02,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:02,516 INFO L93 Difference]: Finished difference Result 118 states and 133 transitions. [2025-02-08 09:45:02,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:45:02,517 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 14 [2025-02-08 09:45:02,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:02,521 INFO L225 Difference]: With dead ends: 118 [2025-02-08 09:45:02,521 INFO L226 Difference]: Without dead ends: 56 [2025-02-08 09:45:02,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:45:02,524 INFO L435 NwaCegarLoop]: 63 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, 63 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:02,525 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:45:02,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2025-02-08 09:45:02,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2025-02-08 09:45:02,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 31 states have (on average 1.6774193548387097) internal successors, (52), 50 states have internal predecessors, (52), 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) [2025-02-08 09:45:02,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2025-02-08 09:45:02,548 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 14 [2025-02-08 09:45:02,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:02,548 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2025-02-08 09:45:02,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:45:02,549 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2025-02-08 09:45:02,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:45:02,549 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:02,549 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:02,557 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:45:02,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 09:45:02,750 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)] === [2025-02-08 09:45:02,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:02,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1476937857, now seen corresponding path program 1 times [2025-02-08 09:45:02,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:02,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950549064] [2025-02-08 09:45:02,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:02,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:02,755 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:45:02,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:45:02,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:02,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:02,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [194754238] [2025-02-08 09:45:02,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:02,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:02,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:02,779 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:02,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:45:02,800 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:45:02,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:45:02,813 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:02,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:02,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:45:02,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:02,834 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:45:02,834 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:45:02,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:02,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950549064] [2025-02-08 09:45:02,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:02,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194754238] [2025-02-08 09:45:02,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194754238] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:45:02,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:45:02,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:45:02,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983888841] [2025-02-08 09:45:02,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:45:02,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:45:02,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:02,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:45:02,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:45:02,837 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:45:02,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:02,887 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2025-02-08 09:45:02,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:45:02,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 14 [2025-02-08 09:45:02,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:02,888 INFO L225 Difference]: With dead ends: 90 [2025-02-08 09:45:02,889 INFO L226 Difference]: Without dead ends: 84 [2025-02-08 09:45:02,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:45:02,889 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 26 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:02,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 74 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:45:02,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-02-08 09:45:02,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 76. [2025-02-08 09:45:02,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.66) internal successors, (83), 69 states have internal predecessors, (83), 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) [2025-02-08 09:45:02,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions. [2025-02-08 09:45:02,896 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 14 [2025-02-08 09:45:02,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:02,897 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions. [2025-02-08 09:45:02,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:45:02,898 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2025-02-08 09:45:02,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-08 09:45:02,898 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:02,898 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:02,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:45:03,098 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 [2025-02-08 09:45:03,099 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)] === [2025-02-08 09:45:03,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:03,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1998073311, now seen corresponding path program 1 times [2025-02-08 09:45:03,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:03,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172611687] [2025-02-08 09:45:03,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:03,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:03,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 09:45:03,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 09:45:03,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:03,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:03,189 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:45:03,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:03,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172611687] [2025-02-08 09:45:03,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172611687] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:45:03,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:45:03,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:45:03,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033907509] [2025-02-08 09:45:03,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:45:03,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:45:03,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:03,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:45:03,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:45:03,191 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:45:03,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:03,284 INFO L93 Difference]: Finished difference Result 120 states and 152 transitions. [2025-02-08 09:45:03,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:45:03,285 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 16 [2025-02-08 09:45:03,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:03,286 INFO L225 Difference]: With dead ends: 120 [2025-02-08 09:45:03,286 INFO L226 Difference]: Without dead ends: 113 [2025-02-08 09:45:03,286 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:45:03,287 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 21 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 90 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 [2025-02-08 09:45:03,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 90 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:03,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-02-08 09:45:03,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109. [2025-02-08 09:45:03,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 81 states have (on average 1.5679012345679013) internal successors, (127), 100 states have internal predecessors, (127), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:45:03,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 139 transitions. [2025-02-08 09:45:03,302 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 139 transitions. Word has length 16 [2025-02-08 09:45:03,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:03,304 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 139 transitions. [2025-02-08 09:45:03,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:45:03,304 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 139 transitions. [2025-02-08 09:45:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-02-08 09:45:03,305 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:03,305 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:03,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:45:03,305 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)] === [2025-02-08 09:45:03,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:03,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1810730506, now seen corresponding path program 1 times [2025-02-08 09:45:03,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:03,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794308203] [2025-02-08 09:45:03,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:03,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:03,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-02-08 09:45:03,327 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-02-08 09:45:03,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:03,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:03,408 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:45:03,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:03,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794308203] [2025-02-08 09:45:03,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794308203] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:45:03,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:45:03,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:45:03,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060284028] [2025-02-08 09:45:03,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:45:03,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:45:03,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:03,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:45:03,409 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:45:03,409 INFO L87 Difference]: Start difference. First operand 109 states and 139 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) [2025-02-08 09:45:03,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:03,489 INFO L93 Difference]: Finished difference Result 115 states and 140 transitions. [2025-02-08 09:45:03,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:45:03,490 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 [2025-02-08 09:45:03,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:03,491 INFO L225 Difference]: With dead ends: 115 [2025-02-08 09:45:03,491 INFO L226 Difference]: Without dead ends: 106 [2025-02-08 09:45:03,491 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:45:03,491 INFO L435 NwaCegarLoop]: 41 mSDtfsCounter, 32 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:03,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 76 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:03,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2025-02-08 09:45:03,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2025-02-08 09:45:03,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 95 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) [2025-02-08 09:45:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 129 transitions. [2025-02-08 09:45:03,501 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 129 transitions. Word has length 17 [2025-02-08 09:45:03,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:03,501 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 129 transitions. [2025-02-08 09:45:03,501 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) [2025-02-08 09:45:03,501 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 129 transitions. [2025-02-08 09:45:03,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 09:45:03,502 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:03,502 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:03,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:45:03,502 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)] === [2025-02-08 09:45:03,502 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:03,502 INFO L85 PathProgramCache]: Analyzing trace with hash 298070845, now seen corresponding path program 1 times [2025-02-08 09:45:03,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:03,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907752447] [2025-02-08 09:45:03,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:03,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:03,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:45:03,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:45:03,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:03,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:45:03,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:03,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907752447] [2025-02-08 09:45:03,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907752447] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:03,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743588209] [2025-02-08 09:45:03,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:03,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:03,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:03,610 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:03,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:45:03,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:45:03,640 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:45:03,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:03,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:03,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:45:03,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:03,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:45:03,735 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:45:03,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743588209] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:45:03,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:03,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2025-02-08 09:45:03,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998177464] [2025-02-08 09:45:03,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:45:03,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:45:03,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:03,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:45:03,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:45:03,737 INFO L87 Difference]: Start difference. First operand 104 states and 129 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) [2025-02-08 09:45:03,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:03,824 INFO L93 Difference]: Finished difference Result 107 states and 133 transitions. [2025-02-08 09:45:03,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:45:03,825 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 [2025-02-08 09:45:03,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:03,825 INFO L225 Difference]: With dead ends: 107 [2025-02-08 09:45:03,825 INFO L226 Difference]: Without dead ends: 106 [2025-02-08 09:45:03,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:45:03,826 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 72 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 61 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 [2025-02-08 09:45:03,826 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 61 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:03,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2025-02-08 09:45:03,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2025-02-08 09:45:03,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.5263157894736843) internal successors, (116), 95 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) [2025-02-08 09:45:03,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 128 transitions. [2025-02-08 09:45:03,838 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 128 transitions. Word has length 18 [2025-02-08 09:45:03,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:03,838 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 128 transitions. [2025-02-08 09:45:03,839 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) [2025-02-08 09:45:03,839 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 128 transitions. [2025-02-08 09:45:03,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 09:45:03,839 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:03,839 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:03,845 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 [2025-02-08 09:45:04,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:04,040 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)] === [2025-02-08 09:45:04,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:04,040 INFO L85 PathProgramCache]: Analyzing trace with hash 650261608, now seen corresponding path program 1 times [2025-02-08 09:45:04,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:04,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346173739] [2025-02-08 09:45:04,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:04,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:04,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:45:04,049 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:45:04,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:04,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:04,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [504539528] [2025-02-08 09:45:04,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:04,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:04,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:04,055 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:04,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:45:04,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 09:45:04,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 09:45:04,080 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:04,080 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:04,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:45:04,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:45:04,135 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:45:04,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:04,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346173739] [2025-02-08 09:45:04,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:04,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504539528] [2025-02-08 09:45:04,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504539528] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:45:04,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:45:04,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:45:04,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713384439] [2025-02-08 09:45:04,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:45:04,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:45:04,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:04,137 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:45:04,137 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:45:04,137 INFO L87 Difference]: Start difference. First operand 104 states and 128 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) [2025-02-08 09:45:04,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:04,212 INFO L93 Difference]: Finished difference Result 105 states and 128 transitions. [2025-02-08 09:45:04,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:45:04,212 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 [2025-02-08 09:45:04,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:04,213 INFO L225 Difference]: With dead ends: 105 [2025-02-08 09:45:04,213 INFO L226 Difference]: Without dead ends: 104 [2025-02-08 09:45:04,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:45:04,213 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 65 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 66 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 [2025-02-08 09:45:04,213 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 66 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:04,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-02-08 09:45:04,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-02-08 09:45:04,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.513157894736842) internal successors, (115), 95 states have internal predecessors, (115), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:45:04,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 127 transitions. [2025-02-08 09:45:04,219 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 127 transitions. Word has length 19 [2025-02-08 09:45:04,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:04,219 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 127 transitions. [2025-02-08 09:45:04,219 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) [2025-02-08 09:45:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 127 transitions. [2025-02-08 09:45:04,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 09:45:04,220 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:04,220 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] [2025-02-08 09:45:04,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:04,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-02-08 09:45:04,424 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)] === [2025-02-08 09:45:04,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:04,424 INFO L85 PathProgramCache]: Analyzing trace with hash -2119393160, now seen corresponding path program 1 times [2025-02-08 09:45:04,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:04,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713617656] [2025-02-08 09:45:04,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:04,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:04,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:45:04,444 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:45:04,444 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:04,444 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:04,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:45:04,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:04,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713617656] [2025-02-08 09:45:04,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713617656] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:04,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035813940] [2025-02-08 09:45:04,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:04,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:04,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:04,545 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:04,546 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:45:04,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 09:45:04,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 09:45:04,572 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:04,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:04,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:45:04,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:04,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:45:04,606 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:45:04,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035813940] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:04,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:04,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-02-08 09:45:04,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928790105] [2025-02-08 09:45:04,681 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:04,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:45:04,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:04,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:45:04,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:45:04,682 INFO L87 Difference]: Start difference. First operand 104 states and 127 transitions. Second operand has 9 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 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) [2025-02-08 09:45:04,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:04,764 INFO L93 Difference]: Finished difference Result 157 states and 194 transitions. [2025-02-08 09:45:04,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:45:04,765 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 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 31 [2025-02-08 09:45:04,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:04,765 INFO L225 Difference]: With dead ends: 157 [2025-02-08 09:45:04,766 INFO L226 Difference]: Without dead ends: 155 [2025-02-08 09:45:04,766 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:45:04,766 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 118 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:04,766 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 250 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:04,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-02-08 09:45:04,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2025-02-08 09:45:04,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 115 states have (on average 1.5043478260869565) internal successors, (173), 134 states have internal predecessors, (173), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:45:04,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 189 transitions. [2025-02-08 09:45:04,781 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 189 transitions. Word has length 31 [2025-02-08 09:45:04,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:04,782 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 189 transitions. [2025-02-08 09:45:04,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.25) internal successors, (42), 7 states have internal predecessors, (42), 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) [2025-02-08 09:45:04,782 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 189 transitions. [2025-02-08 09:45:04,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-08 09:45:04,782 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:04,782 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] [2025-02-08 09:45:04,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:45:04,983 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 [2025-02-08 09:45:04,983 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)] === [2025-02-08 09:45:04,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:04,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1276678540, now seen corresponding path program 1 times [2025-02-08 09:45:04,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:04,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731342232] [2025-02-08 09:45:04,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:04,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:04,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 09:45:04,995 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 09:45:04,995 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:04,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:05,035 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:45:05,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:05,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731342232] [2025-02-08 09:45:05,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731342232] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:45:05,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:45:05,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:45:05,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908495087] [2025-02-08 09:45:05,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:45:05,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:45:05,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:05,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:45:05,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:45:05,037 INFO L87 Difference]: Start difference. First operand 145 states and 189 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:45:05,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:05,066 INFO L93 Difference]: Finished difference Result 145 states and 189 transitions. [2025-02-08 09:45:05,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:45:05,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 32 [2025-02-08 09:45:05,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:05,067 INFO L225 Difference]: With dead ends: 145 [2025-02-08 09:45:05,067 INFO L226 Difference]: Without dead ends: 143 [2025-02-08 09:45:05,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:45:05,068 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 57 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 70 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 [2025-02-08 09:45:05,068 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 70 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:45:05,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-02-08 09:45:05,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2025-02-08 09:45:05,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 115 states have (on average 1.4608695652173913) internal successors, (168), 132 states have internal predecessors, (168), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:45:05,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 184 transitions. [2025-02-08 09:45:05,078 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 184 transitions. Word has length 32 [2025-02-08 09:45:05,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:05,078 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 184 transitions. [2025-02-08 09:45:05,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:45:05,078 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 184 transitions. [2025-02-08 09:45:05,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-08 09:45:05,079 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:05,079 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] [2025-02-08 09:45:05,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:45:05,079 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)] === [2025-02-08 09:45:05,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:05,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1472570258, now seen corresponding path program 1 times [2025-02-08 09:45:05,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:05,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696611344] [2025-02-08 09:45:05,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:05,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:05,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:45:05,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:45:05,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:05,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:05,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1229102052] [2025-02-08 09:45:05,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:05,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:05,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:05,092 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:05,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:45:05,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-08 09:45:05,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-08 09:45:05,125 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:05,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:05,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:45:05,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:45:05,242 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:05,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:05,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696611344] [2025-02-08 09:45:05,413 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:05,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229102052] [2025-02-08 09:45:05,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229102052] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:05,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:05,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:45:05,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634481546] [2025-02-08 09:45:05,414 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:05,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:45:05,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:05,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:45:05,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:45:05,415 INFO L87 Difference]: Start difference. First operand 143 states and 184 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:45:05,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:05,527 INFO L93 Difference]: Finished difference Result 150 states and 187 transitions. [2025-02-08 09:45:05,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:45:05,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 34 [2025-02-08 09:45:05,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:05,530 INFO L225 Difference]: With dead ends: 150 [2025-02-08 09:45:05,530 INFO L226 Difference]: Without dead ends: 143 [2025-02-08 09:45:05,530 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:45:05,531 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 40 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:05,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 82 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:05,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-02-08 09:45:05,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 139. [2025-02-08 09:45:05,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 116 states have (on average 1.3448275862068966) internal successors, (156), 128 states have internal predecessors, (156), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:45:05,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 172 transitions. [2025-02-08 09:45:05,539 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 172 transitions. Word has length 34 [2025-02-08 09:45:05,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:05,539 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 172 transitions. [2025-02-08 09:45:05,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:45:05,539 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 172 transitions. [2025-02-08 09:45:05,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-08 09:45:05,540 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:05,540 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] [2025-02-08 09:45:05,546 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 [2025-02-08 09:45:05,743 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 [2025-02-08 09:45:05,743 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)] === [2025-02-08 09:45:05,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:05,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1594962245, now seen corresponding path program 1 times [2025-02-08 09:45:05,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:05,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506787309] [2025-02-08 09:45:05,744 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:05,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:05,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:45:05,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:45:05,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:05,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:05,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [947581586] [2025-02-08 09:45:05,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:05,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:05,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:05,754 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:05,756 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:45:05,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:45:05,785 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:45:05,786 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:05,786 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:05,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:45:05,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:05,887 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:45:05,887 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:06,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:06,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506787309] [2025-02-08 09:45:06,056 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:06,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947581586] [2025-02-08 09:45:06,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947581586] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:06,056 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:06,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:45:06,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609375324] [2025-02-08 09:45:06,057 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:06,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:45:06,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:06,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:45:06,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:45:06,058 INFO L87 Difference]: Start difference. First operand 139 states and 172 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) [2025-02-08 09:45:06,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:06,165 INFO L93 Difference]: Finished difference Result 187 states and 230 transitions. [2025-02-08 09:45:06,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:45:06,165 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 [2025-02-08 09:45:06,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:06,166 INFO L225 Difference]: With dead ends: 187 [2025-02-08 09:45:06,166 INFO L226 Difference]: Without dead ends: 184 [2025-02-08 09:45:06,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:45:06,167 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 73 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:06,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 114 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:06,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2025-02-08 09:45:06,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 176. [2025-02-08 09:45:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 151 states have (on average 1.3311258278145695) internal successors, (201), 163 states have internal predecessors, (201), 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) [2025-02-08 09:45:06,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 221 transitions. [2025-02-08 09:45:06,173 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 221 transitions. Word has length 35 [2025-02-08 09:45:06,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:06,174 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 221 transitions. [2025-02-08 09:45:06,174 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) [2025-02-08 09:45:06,175 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2025-02-08 09:45:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:45:06,175 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:06,175 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] [2025-02-08 09:45:06,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:06,375 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 [2025-02-08 09:45:06,376 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)] === [2025-02-08 09:45:06,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:06,376 INFO L85 PathProgramCache]: Analyzing trace with hash 92420529, now seen corresponding path program 1 times [2025-02-08 09:45:06,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:06,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224067589] [2025-02-08 09:45:06,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:06,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:06,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:45:06,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:45:06,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:06,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:45:06,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:06,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224067589] [2025-02-08 09:45:06,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224067589] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:06,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889663239] [2025-02-08 09:45:06,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:06,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:06,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:06,450 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:06,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:45:06,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:45:06,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:45:06,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:06,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:06,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:45:06,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:06,562 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:45:06,562 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:45:06,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889663239] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:45:06,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:06,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-08 09:45:06,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238601000] [2025-02-08 09:45:06,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:45:06,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:45:06,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:06,563 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:45:06,563 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:45:06,563 INFO L87 Difference]: Start difference. First operand 176 states and 221 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 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) [2025-02-08 09:45:06,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:06,631 INFO L93 Difference]: Finished difference Result 176 states and 221 transitions. [2025-02-08 09:45:06,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:45:06,631 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 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 [2025-02-08 09:45:06,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:06,632 INFO L225 Difference]: With dead ends: 176 [2025-02-08 09:45:06,632 INFO L226 Difference]: Without dead ends: 174 [2025-02-08 09:45:06,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:45:06,633 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 20 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:06,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 65 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:06,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2025-02-08 09:45:06,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 171. [2025-02-08 09:45:06,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 148 states have (on average 1.3175675675675675) internal successors, (195), 158 states have internal predecessors, (195), 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) [2025-02-08 09:45:06,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 215 transitions. [2025-02-08 09:45:06,640 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 215 transitions. Word has length 36 [2025-02-08 09:45:06,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:06,640 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 215 transitions. [2025-02-08 09:45:06,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 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) [2025-02-08 09:45:06,640 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 215 transitions. [2025-02-08 09:45:06,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-08 09:45:06,641 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:06,642 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] [2025-02-08 09:45:06,648 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:06,843 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 [2025-02-08 09:45:06,843 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)] === [2025-02-08 09:45:06,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:06,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1429930888, now seen corresponding path program 1 times [2025-02-08 09:45:06,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:06,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365667220] [2025-02-08 09:45:06,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:06,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:06,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:45:06,849 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:45:06,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:06,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:45:06,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:06,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365667220] [2025-02-08 09:45:06,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365667220] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:06,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500133495] [2025-02-08 09:45:06,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:06,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:06,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:06,969 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:06,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:45:06,986 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-08 09:45:06,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-08 09:45:06,996 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:06,996 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:06,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:45:06,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:07,062 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:45:07,062 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:07,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500133495] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:07,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:45:07,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 3] total 11 [2025-02-08 09:45:07,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131860373] [2025-02-08 09:45:07,145 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:07,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:45:07,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:07,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:45:07,146 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:45:07,146 INFO L87 Difference]: Start difference. First operand 171 states and 215 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:45:07,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:07,476 INFO L93 Difference]: Finished difference Result 183 states and 219 transitions. [2025-02-08 09:45:07,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:45:07,476 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 37 [2025-02-08 09:45:07,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:07,477 INFO L225 Difference]: With dead ends: 183 [2025-02-08 09:45:07,477 INFO L226 Difference]: Without dead ends: 168 [2025-02-08 09:45:07,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:45:07,479 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 106 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:07,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 118 Invalid, 334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:45:07,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-02-08 09:45:07,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 162. [2025-02-08 09:45:07,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 140 states have (on average 1.25) internal successors, (175), 149 states have internal predecessors, (175), 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) [2025-02-08 09:45:07,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 195 transitions. [2025-02-08 09:45:07,488 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 195 transitions. Word has length 37 [2025-02-08 09:45:07,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:07,488 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 195 transitions. [2025-02-08 09:45:07,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2025-02-08 09:45:07,488 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 195 transitions. [2025-02-08 09:45:07,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:45:07,488 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:07,488 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] [2025-02-08 09:45:07,498 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:07,689 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 [2025-02-08 09:45:07,689 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)] === [2025-02-08 09:45:07,689 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:07,689 INFO L85 PathProgramCache]: Analyzing trace with hash -297034290, now seen corresponding path program 1 times [2025-02-08 09:45:07,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:07,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043619381] [2025-02-08 09:45:07,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:07,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:07,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:45:07,697 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:45:07,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:07,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:45:07,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:07,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043619381] [2025-02-08 09:45:07,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1043619381] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:07,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [750120349] [2025-02-08 09:45:07,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:07,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:07,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:07,986 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:07,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:45:08,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:45:08,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:45:08,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:08,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:08,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:45:08,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:08,178 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:45:08,178 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:08,357 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:45:08,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [750120349] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:08,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:08,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2025-02-08 09:45:08,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375854360] [2025-02-08 09:45:08,357 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:08,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:45:08,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:08,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:45:08,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:45:08,358 INFO L87 Difference]: Start difference. First operand 162 states and 195 transitions. Second operand has 17 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 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) [2025-02-08 09:45:08,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:08,641 INFO L93 Difference]: Finished difference Result 163 states and 195 transitions. [2025-02-08 09:45:08,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:45:08,641 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 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 38 [2025-02-08 09:45:08,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:08,642 INFO L225 Difference]: With dead ends: 163 [2025-02-08 09:45:08,642 INFO L226 Difference]: Without dead ends: 160 [2025-02-08 09:45:08,642 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 63 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:45:08,643 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 132 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:08,643 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 130 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:45:08,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-02-08 09:45:08,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 137. [2025-02-08 09:45:08,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 119 states have (on average 1.1932773109243697) internal successors, (142), 125 states have internal predecessors, (142), 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) [2025-02-08 09:45:08,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2025-02-08 09:45:08,651 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 38 [2025-02-08 09:45:08,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:08,652 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2025-02-08 09:45:08,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.25) internal successors, (52), 16 states have internal predecessors, (52), 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) [2025-02-08 09:45:08,652 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2025-02-08 09:45:08,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:45:08,652 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:08,652 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] [2025-02-08 09:45:08,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:45:08,853 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 [2025-02-08 09:45:08,853 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)] === [2025-02-08 09:45:08,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:08,853 INFO L85 PathProgramCache]: Analyzing trace with hash -618128393, now seen corresponding path program 1 times [2025-02-08 09:45:08,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:08,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851414737] [2025-02-08 09:45:08,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:08,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:08,857 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:45:08,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:45:08,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:08,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:08,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1766751272] [2025-02-08 09:45:08,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:08,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:08,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:08,866 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:08,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:45:08,887 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:45:08,902 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:45:08,902 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:08,902 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:08,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:45:08,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:45:09,044 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:09,123 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:45:09,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:09,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851414737] [2025-02-08 09:45:09,124 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:09,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766751272] [2025-02-08 09:45:09,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766751272] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:09,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:45:09,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 09:45:09,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597696000] [2025-02-08 09:45:09,124 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:09,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:45:09,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:09,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:45:09,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:45:09,125 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 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) [2025-02-08 09:45:09,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:09,353 INFO L93 Difference]: Finished difference Result 219 states and 257 transitions. [2025-02-08 09:45:09,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:45:09,353 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 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 39 [2025-02-08 09:45:09,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:09,354 INFO L225 Difference]: With dead ends: 219 [2025-02-08 09:45:09,354 INFO L226 Difference]: Without dead ends: 152 [2025-02-08 09:45:09,354 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:45:09,355 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 85 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:09,355 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 94 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:09,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2025-02-08 09:45:09,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2025-02-08 09:45:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 134 states have (on average 1.1417910447761195) internal successors, (153), 139 states have internal predecessors, (153), 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) [2025-02-08 09:45:09,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 173 transitions. [2025-02-08 09:45:09,364 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 173 transitions. Word has length 39 [2025-02-08 09:45:09,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:09,364 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 173 transitions. [2025-02-08 09:45:09,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 11 states have internal predecessors, (53), 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) [2025-02-08 09:45:09,365 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 173 transitions. [2025-02-08 09:45:09,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-08 09:45:09,365 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:09,365 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] [2025-02-08 09:45:09,371 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-08 09:45:09,566 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 [2025-02-08 09:45:09,566 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)] === [2025-02-08 09:45:09,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:09,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1099544650, now seen corresponding path program 2 times [2025-02-08 09:45:09,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:09,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202991351] [2025-02-08 09:45:09,567 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:09,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:09,571 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-02-08 09:45:09,579 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:45:09,580 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:09,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:09,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1527320062] [2025-02-08 09:45:09,581 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:09,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:09,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:09,582 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:09,584 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:45:09,604 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 55 statements into 2 equivalence classes. [2025-02-08 09:45:09,615 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 55 of 55 statements. [2025-02-08 09:45:09,615 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:09,616 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:09,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:45:09,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:09,757 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:45:09,757 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:09,910 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-08 09:45:09,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:09,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202991351] [2025-02-08 09:45:09,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:09,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527320062] [2025-02-08 09:45:09,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527320062] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:09,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:45:09,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:45:09,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310994780] [2025-02-08 09:45:09,910 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:09,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:45:09,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:09,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:45:09,911 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:45:09,911 INFO L87 Difference]: Start difference. First operand 152 states and 173 transitions. Second operand has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 10 states have internal predecessors, (75), 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) [2025-02-08 09:45:10,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:10,231 INFO L93 Difference]: Finished difference Result 311 states and 365 transitions. [2025-02-08 09:45:10,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:45:10,232 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 10 states have internal predecessors, (75), 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 55 [2025-02-08 09:45:10,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:10,233 INFO L225 Difference]: With dead ends: 311 [2025-02-08 09:45:10,233 INFO L226 Difference]: Without dead ends: 300 [2025-02-08 09:45:10,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:45:10,235 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 166 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:10,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 200 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:45:10,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2025-02-08 09:45:10,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 294. [2025-02-08 09:45:10,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 269 states have (on average 1.1449814126394051) internal successors, (308), 273 states have internal predecessors, (308), 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) [2025-02-08 09:45:10,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 344 transitions. [2025-02-08 09:45:10,249 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 344 transitions. Word has length 55 [2025-02-08 09:45:10,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:10,250 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 344 transitions. [2025-02-08 09:45:10,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.333333333333334) internal successors, (75), 10 states have internal predecessors, (75), 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) [2025-02-08 09:45:10,250 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 344 transitions. [2025-02-08 09:45:10,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2025-02-08 09:45:10,250 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:10,250 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:10,256 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 [2025-02-08 09:45:10,451 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 [2025-02-08 09:45:10,452 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:45:10,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:10,452 INFO L85 PathProgramCache]: Analyzing trace with hash -1525464736, now seen corresponding path program 1 times [2025-02-08 09:45:10,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:10,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180202597] [2025-02-08 09:45:10,453 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:10,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:10,458 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-08 09:45:10,467 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:45:10,467 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:10,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:10,512 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:45:10,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:10,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180202597] [2025-02-08 09:45:10,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180202597] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:10,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460454595] [2025-02-08 09:45:10,513 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:10,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:10,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:10,515 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:10,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:45:10,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-02-08 09:45:10,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-02-08 09:45:10,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:10,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:10,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:45:10,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:10,587 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:45:10,587 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:10,649 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:45:10,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460454595] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:10,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:10,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-02-08 09:45:10,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736963386] [2025-02-08 09:45:10,650 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:10,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:45:10,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:10,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:45:10,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:45:10,651 INFO L87 Difference]: Start difference. First operand 294 states and 344 transitions. Second operand has 9 states, 8 states have (on average 12.875) internal successors, (103), 9 states have internal predecessors, (103), 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) [2025-02-08 09:45:10,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:10,745 INFO L93 Difference]: Finished difference Result 818 states and 1019 transitions. [2025-02-08 09:45:10,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:45:10,745 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.875) internal successors, (103), 9 states have internal predecessors, (103), 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 67 [2025-02-08 09:45:10,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:10,748 INFO L225 Difference]: With dead ends: 818 [2025-02-08 09:45:10,748 INFO L226 Difference]: Without dead ends: 816 [2025-02-08 09:45:10,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:45:10,749 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 17 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:10,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 109 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:10,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2025-02-08 09:45:10,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 816. [2025-02-08 09:45:10,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 758 states have (on average 1.1174142480211082) internal successors, (847), 761 states have internal predecessors, (847), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2025-02-08 09:45:10,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 951 transitions. [2025-02-08 09:45:10,789 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 951 transitions. Word has length 67 [2025-02-08 09:45:10,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:10,789 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 951 transitions. [2025-02-08 09:45:10,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.875) internal successors, (103), 9 states have internal predecessors, (103), 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) [2025-02-08 09:45:10,789 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 951 transitions. [2025-02-08 09:45:10,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-08 09:45:10,790 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:10,790 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:10,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:10,991 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 [2025-02-08 09:45:10,991 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:45:10,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:10,991 INFO L85 PathProgramCache]: Analyzing trace with hash -141131114, now seen corresponding path program 1 times [2025-02-08 09:45:10,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:10,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856586979] [2025-02-08 09:45:10,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:10,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:10,996 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:45:11,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:45:11,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:11,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:45:11,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:11,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856586979] [2025-02-08 09:45:11,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856586979] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:11,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234100035] [2025-02-08 09:45:11,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:11,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:11,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:11,076 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:11,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 09:45:11,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 77 statements into 1 equivalence classes. [2025-02-08 09:45:11,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:45:11,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:11,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:11,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:45:11,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:11,162 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 41 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:45:11,162 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 15 proven. 38 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-02-08 09:45:11,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234100035] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:11,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:11,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2025-02-08 09:45:11,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201015705] [2025-02-08 09:45:11,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:11,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:45:11,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:11,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:45:11,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:45:11,231 INFO L87 Difference]: Start difference. First operand 816 states and 951 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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) [2025-02-08 09:45:11,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:11,284 INFO L93 Difference]: Finished difference Result 1000 states and 1161 transitions. [2025-02-08 09:45:11,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:45:11,284 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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 77 [2025-02-08 09:45:11,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:11,286 INFO L225 Difference]: With dead ends: 1000 [2025-02-08 09:45:11,286 INFO L226 Difference]: Without dead ends: 557 [2025-02-08 09:45:11,287 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:45:11,287 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 7 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:11,287 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 98 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:45:11,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2025-02-08 09:45:11,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 556. [2025-02-08 09:45:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 515 states have (on average 1.1009708737864077) internal successors, (567), 518 states have internal predecessors, (567), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:45:11,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 637 transitions. [2025-02-08 09:45:11,306 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 637 transitions. Word has length 77 [2025-02-08 09:45:11,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:11,306 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 637 transitions. [2025-02-08 09:45:11,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 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) [2025-02-08 09:45:11,307 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 637 transitions. [2025-02-08 09:45:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2025-02-08 09:45:11,307 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:11,307 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:11,316 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:11,511 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 [2025-02-08 09:45:11,511 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:45:11,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:11,512 INFO L85 PathProgramCache]: Analyzing trace with hash 728737461, now seen corresponding path program 2 times [2025-02-08 09:45:11,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:11,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903287792] [2025-02-08 09:45:11,512 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:11,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:11,520 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 77 statements into 2 equivalence classes. [2025-02-08 09:45:11,531 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:45:11,531 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:11,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 14 proven. 18 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2025-02-08 09:45:11,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:11,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903287792] [2025-02-08 09:45:11,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903287792] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:11,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516398054] [2025-02-08 09:45:11,693 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:11,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:11,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:11,695 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:11,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 09:45:11,714 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 77 statements into 2 equivalence classes. [2025-02-08 09:45:11,726 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 77 of 77 statements. [2025-02-08 09:45:11,726 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:11,727 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:11,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:45:11,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 09:45:11,837 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:11,993 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-02-08 09:45:11,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516398054] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:11,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:11,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 22 [2025-02-08 09:45:11,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12341530] [2025-02-08 09:45:11,993 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:11,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-08 09:45:11,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:11,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-08 09:45:11,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=429, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:45:11,994 INFO L87 Difference]: Start difference. First operand 556 states and 637 transitions. Second operand has 23 states, 22 states have (on average 6.681818181818182) internal successors, (147), 22 states have internal predecessors, (147), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2025-02-08 09:45:13,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:13,125 INFO L93 Difference]: Finished difference Result 807 states and 916 transitions. [2025-02-08 09:45:13,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-02-08 09:45:13,135 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 6.681818181818182) internal successors, (147), 22 states have internal predecessors, (147), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) Word has length 77 [2025-02-08 09:45:13,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:13,138 INFO L225 Difference]: With dead ends: 807 [2025-02-08 09:45:13,138 INFO L226 Difference]: Without dead ends: 806 [2025-02-08 09:45:13,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1729 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1258, Invalid=4144, Unknown=0, NotChecked=0, Total=5402 [2025-02-08 09:45:13,145 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 304 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:13,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 194 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:45:13,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2025-02-08 09:45:13,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 555. [2025-02-08 09:45:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 515 states have (on average 1.0660194174757283) internal successors, (549), 517 states have internal predecessors, (549), 35 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:45:13,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 619 transitions. [2025-02-08 09:45:13,181 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 619 transitions. Word has length 77 [2025-02-08 09:45:13,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:13,182 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 619 transitions. [2025-02-08 09:45:13,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 6.681818181818182) internal successors, (147), 22 states have internal predecessors, (147), 10 states have call successors, (11), 1 states have call predecessors, (11), 3 states have return successors, (12), 10 states have call predecessors, (12), 10 states have call successors, (12) [2025-02-08 09:45:13,182 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 619 transitions. [2025-02-08 09:45:13,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-08 09:45:13,184 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:13,184 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] [2025-02-08 09:45:13,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:13,385 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 [2025-02-08 09:45:13,385 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:45:13,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:13,386 INFO L85 PathProgramCache]: Analyzing trace with hash -1432544791, now seen corresponding path program 1 times [2025-02-08 09:45:13,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:13,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199329416] [2025-02-08 09:45:13,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:13,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:13,389 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:45:13,393 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:45:13,393 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:13,393 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:13,441 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:45:13,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:13,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199329416] [2025-02-08 09:45:13,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199329416] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:13,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307886024] [2025-02-08 09:45:13,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:13,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:13,441 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:13,443 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:13,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 09:45:13,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:45:13,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:45:13,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:13,480 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:13,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:45:13,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:13,558 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:45:13,558 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:13,646 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-02-08 09:45:13,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307886024] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:13,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:13,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-08 09:45:13,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830034386] [2025-02-08 09:45:13,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:13,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:45:13,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:13,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:45:13,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:45:13,648 INFO L87 Difference]: Start difference. First operand 555 states and 619 transitions. Second operand has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 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) [2025-02-08 09:45:13,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:13,785 INFO L93 Difference]: Finished difference Result 1331 states and 1500 transitions. [2025-02-08 09:45:13,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:45:13,786 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 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 90 [2025-02-08 09:45:13,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:13,789 INFO L225 Difference]: With dead ends: 1331 [2025-02-08 09:45:13,789 INFO L226 Difference]: Without dead ends: 1330 [2025-02-08 09:45:13,790 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:45:13,791 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 92 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:13,791 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 179 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:13,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2025-02-08 09:45:13,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1322. [2025-02-08 09:45:13,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1322 states, 1234 states have (on average 1.0696920583468394) internal successors, (1320), 1236 states have internal predecessors, (1320), 83 states have call successors, (83), 2 states have call predecessors, (83), 2 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2025-02-08 09:45:13,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1486 transitions. [2025-02-08 09:45:13,840 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1486 transitions. Word has length 90 [2025-02-08 09:45:13,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:13,840 INFO L471 AbstractCegarLoop]: Abstraction has 1322 states and 1486 transitions. [2025-02-08 09:45:13,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.9) internal successors, (139), 11 states have internal predecessors, (139), 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) [2025-02-08 09:45:13,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1486 transitions. [2025-02-08 09:45:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2025-02-08 09:45:13,841 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:13,842 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] [2025-02-08 09:45:13,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:14,046 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 [2025-02-08 09:45:14,046 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:45:14,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:14,046 INFO L85 PathProgramCache]: Analyzing trace with hash -768135865, now seen corresponding path program 1 times [2025-02-08 09:45:14,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:14,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944470838] [2025-02-08 09:45:14,046 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:14,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:14,050 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:45:14,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:45:14,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:14,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:14,115 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 65 proven. 24 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-08 09:45:14,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:14,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944470838] [2025-02-08 09:45:14,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944470838] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:14,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221614093] [2025-02-08 09:45:14,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:45:14,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:14,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:14,118 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:14,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:45:14,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 95 statements into 1 equivalence classes. [2025-02-08 09:45:14,155 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 95 of 95 statements. [2025-02-08 09:45:14,155 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:14,155 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:14,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:45:14,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:14,222 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 77 proven. 24 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-08 09:45:14,222 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:14,291 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 65 proven. 24 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-08 09:45:14,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221614093] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:14,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:14,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-02-08 09:45:14,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497677144] [2025-02-08 09:45:14,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:14,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:45:14,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:14,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:45:14,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:45:14,293 INFO L87 Difference]: Start difference. First operand 1322 states and 1486 transitions. Second operand has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 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) [2025-02-08 09:45:14,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:14,434 INFO L93 Difference]: Finished difference Result 1389 states and 1556 transitions. [2025-02-08 09:45:14,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:45:14,434 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 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 95 [2025-02-08 09:45:14,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:14,438 INFO L225 Difference]: With dead ends: 1389 [2025-02-08 09:45:14,438 INFO L226 Difference]: Without dead ends: 1262 [2025-02-08 09:45:14,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 184 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:45:14,439 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 28 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:14,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 178 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:14,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2025-02-08 09:45:14,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1260. [2025-02-08 09:45:14,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1260 states, 1175 states have (on average 1.062127659574468) internal successors, (1248), 1177 states have internal predecessors, (1248), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-02-08 09:45:14,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1408 transitions. [2025-02-08 09:45:14,478 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1408 transitions. Word has length 95 [2025-02-08 09:45:14,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:14,478 INFO L471 AbstractCegarLoop]: Abstraction has 1260 states and 1408 transitions. [2025-02-08 09:45:14,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.222222222222221) internal successors, (110), 9 states have internal predecessors, (110), 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) [2025-02-08 09:45:14,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1408 transitions. [2025-02-08 09:45:14,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2025-02-08 09:45:14,479 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:14,480 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] [2025-02-08 09:45:14,485 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:45:14,680 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 [2025-02-08 09:45:14,680 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)] === [2025-02-08 09:45:14,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:14,681 INFO L85 PathProgramCache]: Analyzing trace with hash 88758420, now seen corresponding path program 2 times [2025-02-08 09:45:14,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:14,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076098718] [2025-02-08 09:45:14,681 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:14,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:14,684 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 115 statements into 2 equivalence classes. [2025-02-08 09:45:14,689 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 115 of 115 statements. [2025-02-08 09:45:14,689 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:14,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:14,758 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 47 proven. 104 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-08 09:45:14,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:14,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076098718] [2025-02-08 09:45:14,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076098718] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:14,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1646866802] [2025-02-08 09:45:14,759 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:14,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:14,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:14,762 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:14,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:45:14,785 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 115 statements into 2 equivalence classes. [2025-02-08 09:45:14,801 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 115 of 115 statements. [2025-02-08 09:45:14,802 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:14,802 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:14,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:45:14,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 92 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-08 09:45:14,922 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 92 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-08 09:45:15,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1646866802] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:15,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:15,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2025-02-08 09:45:15,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432712256] [2025-02-08 09:45:15,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:15,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:45:15,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:15,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:45:15,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:45:15,028 INFO L87 Difference]: Start difference. First operand 1260 states and 1408 transitions. Second operand has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 12 states have internal predecessors, (145), 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) [2025-02-08 09:45:15,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:15,264 INFO L93 Difference]: Finished difference Result 2827 states and 3166 transitions. [2025-02-08 09:45:15,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:45:15,264 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 12 states have internal predecessors, (145), 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 115 [2025-02-08 09:45:15,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:15,270 INFO L225 Difference]: With dead ends: 2827 [2025-02-08 09:45:15,270 INFO L226 Difference]: Without dead ends: 2041 [2025-02-08 09:45:15,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 221 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:45:15,272 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 27 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:15,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 293 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:45:15,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2041 states. [2025-02-08 09:45:15,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2041 to 1486. [2025-02-08 09:45:15,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1387 states have (on average 1.056957462148522) internal successors, (1466), 1389 states have internal predecessors, (1466), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-02-08 09:45:15,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 1654 transitions. [2025-02-08 09:45:15,327 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 1654 transitions. Word has length 115 [2025-02-08 09:45:15,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:15,327 INFO L471 AbstractCegarLoop]: Abstraction has 1486 states and 1654 transitions. [2025-02-08 09:45:15,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.083333333333334) internal successors, (145), 12 states have internal predecessors, (145), 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) [2025-02-08 09:45:15,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1654 transitions. [2025-02-08 09:45:15,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-08 09:45:15,328 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:15,328 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] [2025-02-08 09:45:15,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:15,528 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 [2025-02-08 09:45:15,529 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)] === [2025-02-08 09:45:15,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:15,529 INFO L85 PathProgramCache]: Analyzing trace with hash 961099654, now seen corresponding path program 3 times [2025-02-08 09:45:15,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:15,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533490889] [2025-02-08 09:45:15,529 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:15,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:15,534 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 135 statements into 7 equivalence classes. [2025-02-08 09:45:15,545 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:45:15,546 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-02-08 09:45:15,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:15,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764198370] [2025-02-08 09:45:15,546 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:15,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:15,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:15,549 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:15,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:45:15,573 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 135 statements into 7 equivalence classes. [2025-02-08 09:45:15,585 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 55 of 135 statements. [2025-02-08 09:45:15,585 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-08 09:45:15,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:15,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:45:15,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:15,617 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 101 proven. 5 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2025-02-08 09:45:15,617 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:15,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:15,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533490889] [2025-02-08 09:45:15,782 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:15,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764198370] [2025-02-08 09:45:15,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764198370] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:15,782 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:15,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:45:15,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201187124] [2025-02-08 09:45:15,782 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:15,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:45:15,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:15,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:45:15,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:45:15,783 INFO L87 Difference]: Start difference. First operand 1486 states and 1654 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (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) [2025-02-08 09:45:15,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:15,885 INFO L93 Difference]: Finished difference Result 1488 states and 1654 transitions. [2025-02-08 09:45:15,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:45:15,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (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 135 [2025-02-08 09:45:15,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:15,889 INFO L225 Difference]: With dead ends: 1488 [2025-02-08 09:45:15,890 INFO L226 Difference]: Without dead ends: 1487 [2025-02-08 09:45:15,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:45:15,891 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 14 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:15,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 94 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:45:15,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1487 states. [2025-02-08 09:45:15,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1487 to 1486. [2025-02-08 09:45:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1486 states, 1387 states have (on average 1.0547945205479452) internal successors, (1463), 1389 states have internal predecessors, (1463), 94 states have call successors, (94), 2 states have call predecessors, (94), 2 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2025-02-08 09:45:15,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1486 states and 1651 transitions. [2025-02-08 09:45:15,959 INFO L78 Accepts]: Start accepts. Automaton has 1486 states and 1651 transitions. Word has length 135 [2025-02-08 09:45:15,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:15,959 INFO L471 AbstractCegarLoop]: Abstraction has 1486 states and 1651 transitions. [2025-02-08 09:45:15,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (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) [2025-02-08 09:45:15,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1651 transitions. [2025-02-08 09:45:15,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-08 09:45:15,961 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:15,961 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] [2025-02-08 09:45:15,967 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 [2025-02-08 09:45:16,165 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 [2025-02-08 09:45:16,165 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)] === [2025-02-08 09:45:16,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:16,165 INFO L85 PathProgramCache]: Analyzing trace with hash -883022173, now seen corresponding path program 3 times [2025-02-08 09:45:16,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:16,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714324132] [2025-02-08 09:45:16,166 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:16,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:16,170 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 135 statements into 7 equivalence classes. [2025-02-08 09:45:16,183 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:45:16,184 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-02-08 09:45:16,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:16,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [896880984] [2025-02-08 09:45:16,184 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:16,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:16,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:16,186 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:16,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:45:16,208 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 135 statements into 7 equivalence classes. [2025-02-08 09:45:16,228 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 115 of 135 statements. [2025-02-08 09:45:16,228 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-08 09:45:16,228 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:16,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:45:16,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:45:16,381 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:16,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:16,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714324132] [2025-02-08 09:45:16,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:16,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896880984] [2025-02-08 09:45:16,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896880984] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:16,539 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:16,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:45:16,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835738064] [2025-02-08 09:45:16,539 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:16,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:45:16,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:16,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:45:16,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:45:16,539 INFO L87 Difference]: Start difference. First operand 1486 states and 1651 transitions. Second operand has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 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) [2025-02-08 09:45:16,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:16,763 INFO L93 Difference]: Finished difference Result 2349 states and 2608 transitions. [2025-02-08 09:45:16,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-02-08 09:45:16,763 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 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 135 [2025-02-08 09:45:16,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:16,766 INFO L225 Difference]: With dead ends: 2349 [2025-02-08 09:45:16,766 INFO L226 Difference]: Without dead ends: 1484 [2025-02-08 09:45:16,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:45:16,768 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 78 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:16,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 203 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:16,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2025-02-08 09:45:16,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1400. [2025-02-08 09:45:16,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1400 states, 1306 states have (on average 1.0520673813169985) internal successors, (1374), 1308 states have internal predecessors, (1374), 89 states have call successors, (89), 2 states have call predecessors, (89), 2 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2025-02-08 09:45:16,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1552 transitions. [2025-02-08 09:45:16,811 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1552 transitions. Word has length 135 [2025-02-08 09:45:16,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:16,811 INFO L471 AbstractCegarLoop]: Abstraction has 1400 states and 1552 transitions. [2025-02-08 09:45:16,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 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) [2025-02-08 09:45:16,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1552 transitions. [2025-02-08 09:45:16,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2025-02-08 09:45:16,813 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:16,813 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] [2025-02-08 09:45:16,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-08 09:45:17,013 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 [2025-02-08 09:45:17,013 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)] === [2025-02-08 09:45:17,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:17,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1059184898, now seen corresponding path program 4 times [2025-02-08 09:45:17,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:17,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736870107] [2025-02-08 09:45:17,015 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:45:17,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:17,023 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 135 statements into 2 equivalence classes. [2025-02-08 09:45:17,040 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:45:17,042 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:45:17,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:17,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [523380492] [2025-02-08 09:45:17,043 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:45:17,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:17,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:17,045 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:17,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:45:17,069 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 135 statements into 2 equivalence classes. [2025-02-08 09:45:17,091 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 135 of 135 statements. [2025-02-08 09:45:17,092 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:45:17,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:17,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-02-08 09:45:17,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:18,321 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-02-08 09:45:18,380 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 23 proven. 230 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-02-08 09:45:18,380 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:18,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:18,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736870107] [2025-02-08 09:45:18,688 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:18,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523380492] [2025-02-08 09:45:18,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523380492] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:18,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:18,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2025-02-08 09:45:18,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547523772] [2025-02-08 09:45:18,689 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:18,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-02-08 09:45:18,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:18,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-02-08 09:45:18,690 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=790, Unknown=0, NotChecked=0, Total=930 [2025-02-08 09:45:18,690 INFO L87 Difference]: Start difference. First operand 1400 states and 1552 transitions. Second operand has 28 states, 26 states have (on average 4.115384615384615) internal successors, (107), 25 states have internal predecessors, (107), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:45:19,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:19,859 INFO L93 Difference]: Finished difference Result 1629 states and 1803 transitions. [2025-02-08 09:45:19,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-08 09:45:19,859 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 26 states have (on average 4.115384615384615) internal successors, (107), 25 states have internal predecessors, (107), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Word has length 135 [2025-02-08 09:45:19,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:19,863 INFO L225 Difference]: With dead ends: 1629 [2025-02-08 09:45:19,863 INFO L226 Difference]: Without dead ends: 1628 [2025-02-08 09:45:19,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=274, Invalid=1532, Unknown=0, NotChecked=0, Total=1806 [2025-02-08 09:45:19,865 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 91 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 1788 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 1793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:19,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 366 Invalid, 1793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1788 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:45:19,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1628 states. [2025-02-08 09:45:19,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1628 to 1518. [2025-02-08 09:45:19,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1518 states, 1417 states have (on average 1.0515172900494) internal successors, (1490), 1419 states have internal predecessors, (1490), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2025-02-08 09:45:19,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 1682 transitions. [2025-02-08 09:45:19,916 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 1682 transitions. Word has length 135 [2025-02-08 09:45:19,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:19,917 INFO L471 AbstractCegarLoop]: Abstraction has 1518 states and 1682 transitions. [2025-02-08 09:45:19,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 26 states have (on average 4.115384615384615) internal successors, (107), 25 states have internal predecessors, (107), 8 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:45:19,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1682 transitions. [2025-02-08 09:45:19,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2025-02-08 09:45:19,919 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:19,919 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:19,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:20,120 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 [2025-02-08 09:45:20,121 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:45:20,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:20,122 INFO L85 PathProgramCache]: Analyzing trace with hash -212104424, now seen corresponding path program 2 times [2025-02-08 09:45:20,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:20,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975824309] [2025-02-08 09:45:20,122 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:20,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:20,126 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 147 statements into 2 equivalence classes. [2025-02-08 09:45:20,132 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 147 of 147 statements. [2025-02-08 09:45:20,133 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:20,133 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:45:20,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:20,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975824309] [2025-02-08 09:45:20,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975824309] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:20,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859641159] [2025-02-08 09:45:20,223 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:20,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:20,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:20,225 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:20,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:45:20,247 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 147 statements into 2 equivalence classes. [2025-02-08 09:45:20,269 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 147 of 147 statements. [2025-02-08 09:45:20,270 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:20,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:20,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:45:20,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:45:20,369 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:45:20,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859641159] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:20,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:20,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2025-02-08 09:45:20,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66713286] [2025-02-08 09:45:20,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:20,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-08 09:45:20,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:20,561 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-08 09:45:20,561 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:45:20,561 INFO L87 Difference]: Start difference. First operand 1518 states and 1682 transitions. Second operand has 17 states, 16 states have (on average 13.9375) internal successors, (223), 17 states have internal predecessors, (223), 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) [2025-02-08 09:45:20,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:20,790 INFO L93 Difference]: Finished difference Result 2799 states and 3202 transitions. [2025-02-08 09:45:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:45:20,793 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 13.9375) internal successors, (223), 17 states have internal predecessors, (223), 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 147 [2025-02-08 09:45:20,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:20,801 INFO L225 Difference]: With dead ends: 2799 [2025-02-08 09:45:20,802 INFO L226 Difference]: Without dead ends: 2798 [2025-02-08 09:45:20,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 285 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:45:20,803 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 14 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:20,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 183 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:20,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2798 states. [2025-02-08 09:45:20,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2798 to 2798. [2025-02-08 09:45:20,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2798 states, 2617 states have (on average 1.0584638899503247) internal successors, (2770), 2619 states have internal predecessors, (2770), 176 states have call successors, (176), 2 states have call predecessors, (176), 2 states have return successors, (176), 176 states have call predecessors, (176), 176 states have call successors, (176) [2025-02-08 09:45:20,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2798 states to 2798 states and 3122 transitions. [2025-02-08 09:45:20,910 INFO L78 Accepts]: Start accepts. Automaton has 2798 states and 3122 transitions. Word has length 147 [2025-02-08 09:45:20,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:20,911 INFO L471 AbstractCegarLoop]: Abstraction has 2798 states and 3122 transitions. [2025-02-08 09:45:20,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 13.9375) internal successors, (223), 17 states have internal predecessors, (223), 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) [2025-02-08 09:45:20,911 INFO L276 IsEmpty]: Start isEmpty. Operand 2798 states and 3122 transitions. [2025-02-08 09:45:20,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-02-08 09:45:20,912 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:20,912 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] [2025-02-08 09:45:20,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:21,113 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 [2025-02-08 09:45:21,113 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)] === [2025-02-08 09:45:21,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:21,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1449066256, now seen corresponding path program 5 times [2025-02-08 09:45:21,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:21,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862797709] [2025-02-08 09:45:21,114 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:45:21,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:21,119 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 155 statements into 8 equivalence classes. [2025-02-08 09:45:21,131 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 155 of 155 statements. [2025-02-08 09:45:21,131 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-02-08 09:45:21,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:21,246 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 123 proven. 194 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:45:21,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:21,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862797709] [2025-02-08 09:45:21,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862797709] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:21,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414528105] [2025-02-08 09:45:21,247 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:45:21,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:21,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:21,249 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:21,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:45:21,270 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 155 statements into 8 equivalence classes. [2025-02-08 09:45:21,292 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 155 of 155 statements. [2025-02-08 09:45:21,293 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-02-08 09:45:21,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:21,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:45:21,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:21,450 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 109 proven. 208 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:45:21,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:21,595 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 109 proven. 208 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2025-02-08 09:45:21,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414528105] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:21,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:21,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 14 [2025-02-08 09:45:21,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947229958] [2025-02-08 09:45:21,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:21,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:45:21,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:21,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:45:21,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:45:21,597 INFO L87 Difference]: Start difference. First operand 2798 states and 3122 transitions. Second operand has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 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) [2025-02-08 09:45:21,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:21,923 INFO L93 Difference]: Finished difference Result 6157 states and 6882 transitions. [2025-02-08 09:45:21,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:45:21,924 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 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 155 [2025-02-08 09:45:21,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:21,934 INFO L225 Difference]: With dead ends: 6157 [2025-02-08 09:45:21,934 INFO L226 Difference]: Without dead ends: 4475 [2025-02-08 09:45:21,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 299 SyntacticMatches, 7 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:45:21,936 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 26 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 594 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:21,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 386 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 594 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:45:21,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4475 states. [2025-02-08 09:45:22,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4475 to 3136. [2025-02-08 09:45:22,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3136 states, 2934 states have (on average 1.0541922290388548) internal successors, (3093), 2936 states have internal predecessors, (3093), 197 states have call successors, (197), 2 states have call predecessors, (197), 2 states have return successors, (197), 197 states have call predecessors, (197), 197 states have call successors, (197) [2025-02-08 09:45:22,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3136 states to 3136 states and 3487 transitions. [2025-02-08 09:45:22,056 INFO L78 Accepts]: Start accepts. Automaton has 3136 states and 3487 transitions. Word has length 155 [2025-02-08 09:45:22,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:22,056 INFO L471 AbstractCegarLoop]: Abstraction has 3136 states and 3487 transitions. [2025-02-08 09:45:22,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.571428571428571) internal successors, (176), 14 states have internal predecessors, (176), 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) [2025-02-08 09:45:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 3136 states and 3487 transitions. [2025-02-08 09:45:22,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-02-08 09:45:22,058 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:22,058 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:22,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:22,259 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 [2025-02-08 09:45:22,259 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:45:22,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:22,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1290639776, now seen corresponding path program 6 times [2025-02-08 09:45:22,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:22,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759051981] [2025-02-08 09:45:22,260 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:45:22,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:22,265 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 175 statements into 9 equivalence classes. [2025-02-08 09:45:22,285 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 09:45:22,286 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-02-08 09:45:22,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:22,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [287882924] [2025-02-08 09:45:22,287 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:45:22,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:22,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:22,290 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:22,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:45:22,317 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 175 statements into 9 equivalence classes. [2025-02-08 09:45:22,347 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 155 of 175 statements. [2025-02-08 09:45:22,347 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-02-08 09:45:22,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:22,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:45:22,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:22,723 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 6 proven. 399 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-02-08 09:45:22,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:22,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:22,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759051981] [2025-02-08 09:45:22,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:22,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287882924] [2025-02-08 09:45:22,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287882924] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:22,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:22,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2025-02-08 09:45:22,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581765262] [2025-02-08 09:45:22,898 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:22,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:45:22,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:22,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:45:22,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:45:22,899 INFO L87 Difference]: Start difference. First operand 3136 states and 3487 transitions. Second operand has 16 states, 15 states have (on average 7.6) internal successors, (114), 16 states have internal predecessors, (114), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-08 09:45:23,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:23,337 INFO L93 Difference]: Finished difference Result 3637 states and 4044 transitions. [2025-02-08 09:45:23,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 09:45:23,337 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.6) internal successors, (114), 16 states have internal predecessors, (114), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 175 [2025-02-08 09:45:23,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:23,346 INFO L225 Difference]: With dead ends: 3637 [2025-02-08 09:45:23,346 INFO L226 Difference]: Without dead ends: 3636 [2025-02-08 09:45:23,348 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:45:23,349 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 26 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 856 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:23,349 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 385 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 856 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:45:23,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3636 states. [2025-02-08 09:45:23,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3636 to 3357. [2025-02-08 09:45:23,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3357 states, 3142 states have (on average 1.0544239338001273) internal successors, (3313), 3144 states have internal predecessors, (3313), 210 states have call successors, (210), 2 states have call predecessors, (210), 2 states have return successors, (210), 210 states have call predecessors, (210), 210 states have call successors, (210) [2025-02-08 09:45:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3357 states to 3357 states and 3733 transitions. [2025-02-08 09:45:23,478 INFO L78 Accepts]: Start accepts. Automaton has 3357 states and 3733 transitions. Word has length 175 [2025-02-08 09:45:23,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:23,478 INFO L471 AbstractCegarLoop]: Abstraction has 3357 states and 3733 transitions. [2025-02-08 09:45:23,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.6) internal successors, (114), 16 states have internal predecessors, (114), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2025-02-08 09:45:23,479 INFO L276 IsEmpty]: Start isEmpty. Operand 3357 states and 3733 transitions. [2025-02-08 09:45:23,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2025-02-08 09:45:23,482 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:23,482 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] [2025-02-08 09:45:23,489 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:23,687 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 [2025-02-08 09:45:23,687 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)] === [2025-02-08 09:45:23,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:23,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1150075742, now seen corresponding path program 7 times [2025-02-08 09:45:23,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:23,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733894404] [2025-02-08 09:45:23,689 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:45:23,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:23,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 09:45:23,703 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 09:45:23,703 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:23,703 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:23,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1834596375] [2025-02-08 09:45:23,704 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:45:23,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:23,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:23,706 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:23,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:45:23,730 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 175 statements into 1 equivalence classes. [2025-02-08 09:45:23,761 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-02-08 09:45:23,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:23,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:23,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-02-08 09:45:23,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:25,399 WARN L672 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-02-08 09:45:25,472 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 21 proven. 427 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2025-02-08 09:45:25,472 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:25,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:25,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733894404] [2025-02-08 09:45:25,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:25,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834596375] [2025-02-08 09:45:25,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834596375] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:25,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:25,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2025-02-08 09:45:25,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014567551] [2025-02-08 09:45:25,949 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:25,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-02-08 09:45:25,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:25,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-02-08 09:45:25,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=1384, Unknown=0, NotChecked=0, Total=1560 [2025-02-08 09:45:25,950 INFO L87 Difference]: Start difference. First operand 3357 states and 3733 transitions. Second operand has 35 states, 33 states have (on average 4.151515151515151) internal successors, (137), 33 states have internal predecessors, (137), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:45:27,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:27,707 INFO L93 Difference]: Finished difference Result 5522 states and 6145 transitions. [2025-02-08 09:45:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-02-08 09:45:27,708 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 33 states have (on average 4.151515151515151) internal successors, (137), 33 states have internal predecessors, (137), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Word has length 175 [2025-02-08 09:45:27,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:27,720 INFO L225 Difference]: With dead ends: 5522 [2025-02-08 09:45:27,720 INFO L226 Difference]: Without dead ends: 3665 [2025-02-08 09:45:27,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=355, Invalid=2507, Unknown=0, NotChecked=0, Total=2862 [2025-02-08 09:45:27,726 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 95 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 3521 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 3532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 3521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:27,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 747 Invalid, 3532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 3521 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-08 09:45:27,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3665 states. [2025-02-08 09:45:27,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3665 to 3421. [2025-02-08 09:45:27,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3421 states, 3202 states have (on average 1.0534041224234854) internal successors, (3373), 3204 states have internal predecessors, (3373), 214 states have call successors, (214), 2 states have call predecessors, (214), 2 states have return successors, (214), 214 states have call predecessors, (214), 214 states have call successors, (214) [2025-02-08 09:45:27,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 3421 states and 3801 transitions. [2025-02-08 09:45:27,847 INFO L78 Accepts]: Start accepts. Automaton has 3421 states and 3801 transitions. Word has length 175 [2025-02-08 09:45:27,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:27,847 INFO L471 AbstractCegarLoop]: Abstraction has 3421 states and 3801 transitions. [2025-02-08 09:45:27,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 33 states have (on average 4.151515151515151) internal successors, (137), 33 states have internal predecessors, (137), 10 states have call successors, (10), 1 states have call predecessors, (10), 3 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:45:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 3421 states and 3801 transitions. [2025-02-08 09:45:27,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-02-08 09:45:27,849 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:27,849 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] [2025-02-08 09:45:27,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-08 09:45:28,054 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 [2025-02-08 09:45:28,054 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:45:28,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:28,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1019308222, now seen corresponding path program 2 times [2025-02-08 09:45:28,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:28,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738307573] [2025-02-08 09:45:28,054 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:28,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:28,063 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 190 statements into 2 equivalence classes. [2025-02-08 09:45:28,102 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 190 of 190 statements. [2025-02-08 09:45:28,106 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:28,106 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-08 09:45:28,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:28,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738307573] [2025-02-08 09:45:28,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738307573] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:28,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15087836] [2025-02-08 09:45:28,326 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:28,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:28,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:28,346 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:28,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:45:28,393 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 190 statements into 2 equivalence classes. [2025-02-08 09:45:28,423 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 190 of 190 statements. [2025-02-08 09:45:28,423 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:28,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:28,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:45:28,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:28,565 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-08 09:45:28,565 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:28,801 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-02-08 09:45:28,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15087836] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:28,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:28,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2025-02-08 09:45:28,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237279765] [2025-02-08 09:45:28,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:28,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-08 09:45:28,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:28,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-08 09:45:28,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:45:28,804 INFO L87 Difference]: Start difference. First operand 3421 states and 3801 transitions. Second operand has 21 states, 20 states have (on average 14.45) internal successors, (289), 21 states have internal predecessors, (289), 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) [2025-02-08 09:45:29,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:29,373 INFO L93 Difference]: Finished difference Result 6790 states and 7571 transitions. [2025-02-08 09:45:29,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-08 09:45:29,374 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 14.45) internal successors, (289), 21 states have internal predecessors, (289), 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 190 [2025-02-08 09:45:29,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:29,408 INFO L225 Difference]: With dead ends: 6790 [2025-02-08 09:45:29,408 INFO L226 Difference]: Without dead ends: 6789 [2025-02-08 09:45:29,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 388 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:45:29,411 INFO L435 NwaCegarLoop]: 28 mSDtfsCounter, 224 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:29,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 318 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:45:29,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6789 states. [2025-02-08 09:45:29,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6789 to 6771. [2025-02-08 09:45:29,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6771 states, 6342 states have (on average 1.0537685272784612) internal successors, (6683), 6344 states have internal predecessors, (6683), 424 states have call successors, (424), 2 states have call predecessors, (424), 2 states have return successors, (424), 424 states have call predecessors, (424), 424 states have call successors, (424) [2025-02-08 09:45:29,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6771 states to 6771 states and 7531 transitions. [2025-02-08 09:45:29,717 INFO L78 Accepts]: Start accepts. Automaton has 6771 states and 7531 transitions. Word has length 190 [2025-02-08 09:45:29,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:29,720 INFO L471 AbstractCegarLoop]: Abstraction has 6771 states and 7531 transitions. [2025-02-08 09:45:29,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 14.45) internal successors, (289), 21 states have internal predecessors, (289), 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) [2025-02-08 09:45:29,720 INFO L276 IsEmpty]: Start isEmpty. Operand 6771 states and 7531 transitions. [2025-02-08 09:45:29,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-02-08 09:45:29,723 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:29,723 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] [2025-02-08 09:45:29,739 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:29,923 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 [2025-02-08 09:45:29,924 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)] === [2025-02-08 09:45:29,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:29,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1571983891, now seen corresponding path program 8 times [2025-02-08 09:45:29,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:29,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194555128] [2025-02-08 09:45:29,924 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:29,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:29,929 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 195 statements into 2 equivalence classes. [2025-02-08 09:45:29,941 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 195 of 195 statements. [2025-02-08 09:45:29,942 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:29,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:29,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2105049764] [2025-02-08 09:45:29,949 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:29,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:29,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:29,951 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:29,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:45:30,019 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 195 statements into 2 equivalence classes. [2025-02-08 09:45:30,066 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 195 of 195 statements. [2025-02-08 09:45:30,066 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:30,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:30,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:45:30,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:30,721 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2025-02-08 09:45:30,721 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:35,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:35,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194555128] [2025-02-08 09:45:35,080 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:35,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105049764] [2025-02-08 09:45:35,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2105049764] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:35,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:35,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:45:35,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816937770] [2025-02-08 09:45:35,080 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:35,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:45:35,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:35,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:45:35,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=131, Unknown=1, NotChecked=0, Total=182 [2025-02-08 09:45:35,081 INFO L87 Difference]: Start difference. First operand 6771 states and 7531 transitions. Second operand has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 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) [2025-02-08 09:45:35,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:35,381 INFO L93 Difference]: Finished difference Result 7255 states and 8066 transitions. [2025-02-08 09:45:35,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:45:35,381 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 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 195 [2025-02-08 09:45:35,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:35,394 INFO L225 Difference]: With dead ends: 7255 [2025-02-08 09:45:35,394 INFO L226 Difference]: Without dead ends: 7254 [2025-02-08 09:45:35,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=50, Invalid=131, Unknown=1, NotChecked=0, Total=182 [2025-02-08 09:45:35,397 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 20 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:35,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 309 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:35,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7254 states. [2025-02-08 09:45:35,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7254 to 7017. [2025-02-08 09:45:35,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7017 states, 6573 states have (on average 1.0535524113798873) internal successors, (6925), 6575 states have internal predecessors, (6925), 439 states have call successors, (439), 2 states have call predecessors, (439), 2 states have return successors, (439), 439 states have call predecessors, (439), 439 states have call successors, (439) [2025-02-08 09:45:35,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7017 states to 7017 states and 7803 transitions. [2025-02-08 09:45:35,654 INFO L78 Accepts]: Start accepts. Automaton has 7017 states and 7803 transitions. Word has length 195 [2025-02-08 09:45:35,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:35,655 INFO L471 AbstractCegarLoop]: Abstraction has 7017 states and 7803 transitions. [2025-02-08 09:45:35,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.0) internal successors, (96), 9 states have internal predecessors, (96), 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) [2025-02-08 09:45:35,655 INFO L276 IsEmpty]: Start isEmpty. Operand 7017 states and 7803 transitions. [2025-02-08 09:45:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-02-08 09:45:35,657 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:35,657 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] [2025-02-08 09:45:35,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:35,861 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 [2025-02-08 09:45:35,861 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:45:35,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:35,862 INFO L85 PathProgramCache]: Analyzing trace with hash 640212300, now seen corresponding path program 9 times [2025-02-08 09:45:35,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:35,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894506262] [2025-02-08 09:45:35,862 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:35,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:35,867 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 195 statements into 10 equivalence classes. [2025-02-08 09:45:35,881 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) and asserted 195 of 195 statements. [2025-02-08 09:45:35,881 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2025-02-08 09:45:35,881 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 118 proven. 471 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2025-02-08 09:45:36,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:36,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894506262] [2025-02-08 09:45:36,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894506262] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:36,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967102090] [2025-02-08 09:45:36,170 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:45:36,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:36,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:36,172 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:36,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:45:36,194 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 195 statements into 10 equivalence classes. [2025-02-08 09:45:36,232 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 115 of 195 statements. [2025-02-08 09:45:36,232 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-08 09:45:36,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:36,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:45:36,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:36,520 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 0 proven. 403 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2025-02-08 09:45:36,521 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:36,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967102090] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:36,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:45:36,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8] total 24 [2025-02-08 09:45:36,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786000381] [2025-02-08 09:45:36,713 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:36,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 09:45:36,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:36,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 09:45:36,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=622, Unknown=0, NotChecked=0, Total=702 [2025-02-08 09:45:36,714 INFO L87 Difference]: Start difference. First operand 7017 states and 7803 transitions. Second operand has 24 states, 24 states have (on average 9.708333333333334) internal successors, (233), 24 states have internal predecessors, (233), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2025-02-08 09:45:39,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:39,372 INFO L93 Difference]: Finished difference Result 15652 states and 17437 transitions. [2025-02-08 09:45:39,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-02-08 09:45:39,373 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 9.708333333333334) internal successors, (233), 24 states have internal predecessors, (233), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) Word has length 195 [2025-02-08 09:45:39,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:39,390 INFO L225 Difference]: With dead ends: 15652 [2025-02-08 09:45:39,390 INFO L226 Difference]: Without dead ends: 11573 [2025-02-08 09:45:39,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2707 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=882, Invalid=8238, Unknown=0, NotChecked=0, Total=9120 [2025-02-08 09:45:39,396 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 376 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 3794 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 3829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 3794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:39,396 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 719 Invalid, 3829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 3794 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:45:39,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11573 states. [2025-02-08 09:45:39,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11573 to 8369. [2025-02-08 09:45:39,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8369 states, 7841 states have (on average 1.0471878586914933) internal successors, (8211), 7843 states have internal predecessors, (8211), 523 states have call successors, (523), 2 states have call predecessors, (523), 2 states have return successors, (523), 523 states have call predecessors, (523), 523 states have call successors, (523) [2025-02-08 09:45:39,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8369 states to 8369 states and 9257 transitions. [2025-02-08 09:45:39,718 INFO L78 Accepts]: Start accepts. Automaton has 8369 states and 9257 transitions. Word has length 195 [2025-02-08 09:45:39,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:39,718 INFO L471 AbstractCegarLoop]: Abstraction has 8369 states and 9257 transitions. [2025-02-08 09:45:39,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.708333333333334) internal successors, (233), 24 states have internal predecessors, (233), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2025-02-08 09:45:39,718 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 9257 transitions. [2025-02-08 09:45:39,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-02-08 09:45:39,720 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:39,721 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:39,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-02-08 09:45:39,921 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 [2025-02-08 09:45:39,922 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)] === [2025-02-08 09:45:39,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:39,922 INFO L85 PathProgramCache]: Analyzing trace with hash 552438685, now seen corresponding path program 10 times [2025-02-08 09:45:39,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:39,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308375292] [2025-02-08 09:45:39,922 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:45:39,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:39,927 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 215 statements into 2 equivalence classes. [2025-02-08 09:45:39,946 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 215 of 215 statements. [2025-02-08 09:45:39,947 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:45:39,947 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:39,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869169464] [2025-02-08 09:45:39,948 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:45:39,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:39,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:39,950 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:39,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:45:39,974 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 215 statements into 2 equivalence classes. [2025-02-08 09:45:40,041 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 215 of 215 statements. [2025-02-08 09:45:40,041 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:45:40,041 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:40,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-02-08 09:45:40,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:41,501 INFO L134 CoverageAnalysis]: Checked inductivity of 834 backedges. 27 proven. 653 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2025-02-08 09:45:41,502 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:45,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:45,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308375292] [2025-02-08 09:45:45,534 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:45,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869169464] [2025-02-08 09:45:45,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869169464] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:45,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:45,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2025-02-08 09:45:45,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056386687] [2025-02-08 09:45:45,535 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:45,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-02-08 09:45:45,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:45,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-02-08 09:45:45,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=1155, Unknown=1, NotChecked=0, Total=1406 [2025-02-08 09:45:45,536 INFO L87 Difference]: Start difference. First operand 8369 states and 9257 transitions. Second operand has 33 states, 31 states have (on average 5.387096774193548) internal successors, (167), 31 states have internal predecessors, (167), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:45:47,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:47,736 INFO L93 Difference]: Finished difference Result 8867 states and 9810 transitions. [2025-02-08 09:45:47,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-02-08 09:45:47,737 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 5.387096774193548) internal successors, (167), 31 states have internal predecessors, (167), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Word has length 215 [2025-02-08 09:45:47,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:47,750 INFO L225 Difference]: With dead ends: 8867 [2025-02-08 09:45:47,750 INFO L226 Difference]: Without dead ends: 8866 [2025-02-08 09:45:47,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=981, Invalid=3988, Unknown=1, NotChecked=0, Total=4970 [2025-02-08 09:45:47,753 INFO L435 NwaCegarLoop]: 29 mSDtfsCounter, 191 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:47,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 272 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1046 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:45:47,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8866 states. [2025-02-08 09:45:48,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8866 to 8369. [2025-02-08 09:45:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8369 states, 7841 states have (on average 1.0470603239382732) internal successors, (8210), 7843 states have internal predecessors, (8210), 523 states have call successors, (523), 2 states have call predecessors, (523), 2 states have return successors, (523), 523 states have call predecessors, (523), 523 states have call successors, (523) [2025-02-08 09:45:48,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8369 states to 8369 states and 9256 transitions. [2025-02-08 09:45:48,065 INFO L78 Accepts]: Start accepts. Automaton has 8369 states and 9256 transitions. Word has length 215 [2025-02-08 09:45:48,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:48,066 INFO L471 AbstractCegarLoop]: Abstraction has 8369 states and 9256 transitions. [2025-02-08 09:45:48,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 5.387096774193548) internal successors, (167), 31 states have internal predecessors, (167), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:45:48,066 INFO L276 IsEmpty]: Start isEmpty. Operand 8369 states and 9256 transitions. [2025-02-08 09:45:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2025-02-08 09:45:48,068 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:48,068 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] [2025-02-08 09:45:48,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:48,273 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 [2025-02-08 09:45:48,273 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)] === [2025-02-08 09:45:48,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:48,273 INFO L85 PathProgramCache]: Analyzing trace with hash 830921146, now seen corresponding path program 11 times [2025-02-08 09:45:48,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:48,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218944485] [2025-02-08 09:45:48,274 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:45:48,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:48,279 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 215 statements into 11 equivalence classes. [2025-02-08 09:45:48,291 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 215 of 215 statements. [2025-02-08 09:45:48,292 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-02-08 09:45:48,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:48,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1604056479] [2025-02-08 09:45:48,293 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:45:48,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:48,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:48,296 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:48,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-02-08 09:45:48,321 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 215 statements into 11 equivalence classes. [2025-02-08 09:45:48,360 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 215 of 215 statements. [2025-02-08 09:45:48,360 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-02-08 09:45:48,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:48,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 69 conjuncts are in the unsatisfiable core [2025-02-08 09:45:48,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:50,039 WARN L672 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2025-02-08 09:45:50,384 WARN L672 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2025-02-08 09:45:50,849 WARN L672 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2025-02-08 09:45:51,348 WARN L672 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2025-02-08 09:45:51,381 WARN L672 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2025-02-08 09:45:51,500 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 15 proven. 701 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2025-02-08 09:45:51,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:51,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:51,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218944485] [2025-02-08 09:45:51,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:45:51,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604056479] [2025-02-08 09:45:51,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604056479] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:51,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:45:51,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2025-02-08 09:45:51,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146532117] [2025-02-08 09:45:51,793 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:51,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-02-08 09:45:51,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:51,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-02-08 09:45:51,794 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=238, Invalid=1742, Unknown=0, NotChecked=0, Total=1980 [2025-02-08 09:45:51,794 INFO L87 Difference]: Start difference. First operand 8369 states and 9256 transitions. Second operand has 41 states, 39 states have (on average 4.282051282051282) internal successors, (167), 39 states have internal predecessors, (167), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:45:54,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:54,294 INFO L93 Difference]: Finished difference Result 12922 states and 14317 transitions. [2025-02-08 09:45:54,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-02-08 09:45:54,304 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 39 states have (on average 4.282051282051282) internal successors, (167), 39 states have internal predecessors, (167), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Word has length 215 [2025-02-08 09:45:54,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:54,334 INFO L225 Difference]: With dead ends: 12922 [2025-02-08 09:45:54,334 INFO L226 Difference]: Without dead ends: 8691 [2025-02-08 09:45:54,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=462, Invalid=3198, Unknown=0, NotChecked=0, Total=3660 [2025-02-08 09:45:54,342 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 76 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 4464 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 4468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 4464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:54,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 832 Invalid, 4468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 4464 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-08 09:45:54,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8691 states. [2025-02-08 09:45:54,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8691 to 8456. [2025-02-08 09:45:54,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8456 states, 7923 states have (on average 1.0465732677016282) internal successors, (8292), 7925 states have internal predecessors, (8292), 528 states have call successors, (528), 2 states have call predecessors, (528), 2 states have return successors, (528), 528 states have call predecessors, (528), 528 states have call successors, (528) [2025-02-08 09:45:54,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8456 states to 8456 states and 9348 transitions. [2025-02-08 09:45:54,748 INFO L78 Accepts]: Start accepts. Automaton has 8456 states and 9348 transitions. Word has length 215 [2025-02-08 09:45:54,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:54,748 INFO L471 AbstractCegarLoop]: Abstraction has 8456 states and 9348 transitions. [2025-02-08 09:45:54,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 39 states have (on average 4.282051282051282) internal successors, (167), 39 states have internal predecessors, (167), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-08 09:45:54,748 INFO L276 IsEmpty]: Start isEmpty. Operand 8456 states and 9348 transitions. [2025-02-08 09:45:54,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2025-02-08 09:45:54,751 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:54,751 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:54,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:54,952 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 [2025-02-08 09:45:54,953 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)] === [2025-02-08 09:45:54,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:54,953 INFO L85 PathProgramCache]: Analyzing trace with hash 361641355, now seen corresponding path program 12 times [2025-02-08 09:45:54,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:54,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976229216] [2025-02-08 09:45:54,953 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:45:54,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:54,959 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 235 statements into 12 equivalence classes. [2025-02-08 09:45:54,971 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 175 of 235 statements. [2025-02-08 09:45:54,975 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-02-08 09:45:54,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 89 proven. 494 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2025-02-08 09:45:55,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:55,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976229216] [2025-02-08 09:45:55,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976229216] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:55,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226639757] [2025-02-08 09:45:55,056 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:45:55,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:55,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:55,058 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:55,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2025-02-08 09:45:55,086 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 235 statements into 12 equivalence classes. [2025-02-08 09:45:55,118 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 175 of 235 statements. [2025-02-08 09:45:55,119 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-02-08 09:45:55,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:55,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:45:55,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:55,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 335 proven. 248 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2025-02-08 09:45:55,338 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:55,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1017 backedges. 89 proven. 494 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2025-02-08 09:45:55,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226639757] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:55,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:55,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2025-02-08 09:45:55,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100233493] [2025-02-08 09:45:55,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:55,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:45:55,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:55,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:45:55,522 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:45:55,522 INFO L87 Difference]: Start difference. First operand 8456 states and 9348 transitions. Second operand has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 12 states have internal predecessors, (163), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2025-02-08 09:45:55,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:55,981 INFO L93 Difference]: Finished difference Result 16820 states and 18666 transitions. [2025-02-08 09:45:55,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:45:55,982 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 12 states have internal predecessors, (163), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Word has length 235 [2025-02-08 09:45:55,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:56,000 INFO L225 Difference]: With dead ends: 16820 [2025-02-08 09:45:56,000 INFO L226 Difference]: Without dead ends: 11542 [2025-02-08 09:45:56,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 460 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2025-02-08 09:45:56,007 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 12 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:56,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 190 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:45:56,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11542 states. [2025-02-08 09:45:56,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11542 to 8260. [2025-02-08 09:45:56,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8260 states, 7738 states have (on average 1.0460067200827088) internal successors, (8094), 7740 states have internal predecessors, (8094), 517 states have call successors, (517), 2 states have call predecessors, (517), 2 states have return successors, (517), 517 states have call predecessors, (517), 517 states have call successors, (517) [2025-02-08 09:45:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8260 states to 8260 states and 9128 transitions. [2025-02-08 09:45:56,348 INFO L78 Accepts]: Start accepts. Automaton has 8260 states and 9128 transitions. Word has length 235 [2025-02-08 09:45:56,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:56,349 INFO L471 AbstractCegarLoop]: Abstraction has 8260 states and 9128 transitions. [2025-02-08 09:45:56,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.583333333333334) internal successors, (163), 12 states have internal predecessors, (163), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2025-02-08 09:45:56,349 INFO L276 IsEmpty]: Start isEmpty. Operand 8260 states and 9128 transitions. [2025-02-08 09:45:56,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2025-02-08 09:45:56,351 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:56,352 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] [2025-02-08 09:45:56,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2025-02-08 09:45:56,552 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 [2025-02-08 09:45:56,553 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)] === [2025-02-08 09:45:56,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:56,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1472336472, now seen corresponding path program 13 times [2025-02-08 09:45:56,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:56,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894196098] [2025-02-08 09:45:56,553 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:45:56,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:56,559 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-02-08 09:45:56,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-02-08 09:45:56,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:56,566 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:56,734 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 203 proven. 638 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-08 09:45:56,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:45:56,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894196098] [2025-02-08 09:45:56,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894196098] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:45:56,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672455582] [2025-02-08 09:45:56,735 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:45:56,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:56,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:56,737 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:56,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2025-02-08 09:45:56,763 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 235 statements into 1 equivalence classes. [2025-02-08 09:45:56,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 235 of 235 statements. [2025-02-08 09:45:56,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:45:56,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:56,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:45:56,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 257 proven. 584 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-08 09:45:57,017 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:45:57,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 257 proven. 584 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2025-02-08 09:45:57,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672455582] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:45:57,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:45:57,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 21 [2025-02-08 09:45:57,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887097961] [2025-02-08 09:45:57,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:45:57,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-02-08 09:45:57,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:45:57,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-02-08 09:45:57,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:45:57,214 INFO L87 Difference]: Start difference. First operand 8260 states and 9128 transitions. Second operand has 21 states, 21 states have (on average 13.333333333333334) internal successors, (280), 21 states have internal predecessors, (280), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) [2025-02-08 09:45:58,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:45:58,135 INFO L93 Difference]: Finished difference Result 16645 states and 18452 transitions. [2025-02-08 09:45:58,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:45:58,136 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 13.333333333333334) internal successors, (280), 21 states have internal predecessors, (280), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) Word has length 235 [2025-02-08 09:45:58,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:45:58,155 INFO L225 Difference]: With dead ends: 16645 [2025-02-08 09:45:58,155 INFO L226 Difference]: Without dead ends: 12566 [2025-02-08 09:45:58,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 452 SyntacticMatches, 11 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2025-02-08 09:45:58,164 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 28 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 980 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 980 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:45:58,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 566 Invalid, 983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 980 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:45:58,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12566 states. [2025-02-08 09:45:58,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12566 to 9702. [2025-02-08 09:45:58,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9702 states, 9090 states have (on average 1.0409240924092409) internal successors, (9462), 9092 states have internal predecessors, (9462), 607 states have call successors, (607), 2 states have call predecessors, (607), 2 states have return successors, (607), 607 states have call predecessors, (607), 607 states have call successors, (607) [2025-02-08 09:45:58,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9702 states to 9702 states and 10676 transitions. [2025-02-08 09:45:58,722 INFO L78 Accepts]: Start accepts. Automaton has 9702 states and 10676 transitions. Word has length 235 [2025-02-08 09:45:58,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:45:58,722 INFO L471 AbstractCegarLoop]: Abstraction has 9702 states and 10676 transitions. [2025-02-08 09:45:58,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 13.333333333333334) internal successors, (280), 21 states have internal predecessors, (280), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20) [2025-02-08 09:45:58,723 INFO L276 IsEmpty]: Start isEmpty. Operand 9702 states and 10676 transitions. [2025-02-08 09:45:58,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-08 09:45:58,725 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:45:58,725 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:45:58,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2025-02-08 09:45:58,925 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 [2025-02-08 09:45:58,925 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)] === [2025-02-08 09:45:58,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:45:58,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1934426982, now seen corresponding path program 14 times [2025-02-08 09:45:58,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:45:58,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237747748] [2025-02-08 09:45:58,926 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:58,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:45:58,931 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 255 statements into 2 equivalence classes. [2025-02-08 09:45:58,943 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:45:58,943 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:58,943 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:45:58,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [871398639] [2025-02-08 09:45:58,944 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:45:58,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:45:58,944 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:45:58,946 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:45:58,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2025-02-08 09:45:58,970 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 255 statements into 2 equivalence classes. [2025-02-08 09:45:59,001 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:45:59,001 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:45:59,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:45:59,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-02-08 09:45:59,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:45:59,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1216 backedges. 0 proven. 888 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2025-02-08 09:45:59,465 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:00,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:00,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237747748] [2025-02-08 09:46:00,086 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:00,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871398639] [2025-02-08 09:46:00,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871398639] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:00,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:00,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:46:00,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176766424] [2025-02-08 09:46:00,086 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:00,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:46:00,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:00,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:46:00,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:46:00,088 INFO L87 Difference]: Start difference. First operand 9702 states and 10676 transitions. Second operand has 11 states, 10 states have (on average 14.1) internal successors, (141), 11 states have internal predecessors, (141), 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) [2025-02-08 09:46:00,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:00,853 INFO L93 Difference]: Finished difference Result 10535 states and 11560 transitions. [2025-02-08 09:46:00,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:46:00,853 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.1) internal successors, (141), 11 states have internal predecessors, (141), 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 255 [2025-02-08 09:46:00,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:00,870 INFO L225 Difference]: With dead ends: 10535 [2025-02-08 09:46:00,870 INFO L226 Difference]: Without dead ends: 10534 [2025-02-08 09:46:00,873 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 466 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:46:00,873 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 21 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 818 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:00,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 747 Invalid, 818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 818 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:00,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10534 states. [2025-02-08 09:46:01,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10534 to 9702. [2025-02-08 09:46:01,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9702 states, 9090 states have (on average 1.0408140814081408) internal successors, (9461), 9092 states have internal predecessors, (9461), 607 states have call successors, (607), 2 states have call predecessors, (607), 2 states have return successors, (607), 607 states have call predecessors, (607), 607 states have call successors, (607) [2025-02-08 09:46:01,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9702 states to 9702 states and 10675 transitions. [2025-02-08 09:46:01,339 INFO L78 Accepts]: Start accepts. Automaton has 9702 states and 10675 transitions. Word has length 255 [2025-02-08 09:46:01,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:01,339 INFO L471 AbstractCegarLoop]: Abstraction has 9702 states and 10675 transitions. [2025-02-08 09:46:01,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.1) internal successors, (141), 11 states have internal predecessors, (141), 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) [2025-02-08 09:46:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 9702 states and 10675 transitions. [2025-02-08 09:46:01,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-08 09:46:01,341 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:01,342 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] [2025-02-08 09:46:01,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2025-02-08 09:46:01,546 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 [2025-02-08 09:46:01,546 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)] === [2025-02-08 09:46:01,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:01,546 INFO L85 PathProgramCache]: Analyzing trace with hash -122073000, now seen corresponding path program 15 times [2025-02-08 09:46:01,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:01,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393445844] [2025-02-08 09:46:01,546 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:46:01,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:01,552 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 255 statements into 13 equivalence classes. [2025-02-08 09:46:01,571 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:46:01,571 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-02-08 09:46:01,571 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:01,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [214564718] [2025-02-08 09:46:01,572 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:46:01,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:01,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:01,574 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:01,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2025-02-08 09:46:01,600 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 255 statements into 13 equivalence classes. [2025-02-08 09:46:01,617 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 95 of 255 statements. [2025-02-08 09:46:01,617 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-08 09:46:01,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:01,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 35 conjuncts are in the unsatisfiable core [2025-02-08 09:46:01,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 492 proven. 71 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2025-02-08 09:46:02,332 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:02,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:02,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393445844] [2025-02-08 09:46:02,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:02,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214564718] [2025-02-08 09:46:02,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214564718] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:02,557 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:02,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2025-02-08 09:46:02,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998569374] [2025-02-08 09:46:02,558 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:02,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-02-08 09:46:02,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:02,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-02-08 09:46:02,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:46:02,558 INFO L87 Difference]: Start difference. First operand 9702 states and 10675 transitions. Second operand has 19 states, 18 states have (on average 5.0) internal successors, (90), 19 states have internal predecessors, (90), 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) [2025-02-08 09:46:03,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:03,715 INFO L93 Difference]: Finished difference Result 15999 states and 17604 transitions. [2025-02-08 09:46:03,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-02-08 09:46:03,715 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.0) internal successors, (90), 19 states have internal predecessors, (90), 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 255 [2025-02-08 09:46:03,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:03,726 INFO L225 Difference]: With dead ends: 15999 [2025-02-08 09:46:03,726 INFO L226 Difference]: Without dead ends: 8227 [2025-02-08 09:46:03,733 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=207, Invalid=1199, Unknown=0, NotChecked=0, Total=1406 [2025-02-08 09:46:03,734 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 66 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 1478 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1478 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:03,734 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 253 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1478 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:46:03,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8227 states. [2025-02-08 09:46:04,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8227 to 8225. [2025-02-08 09:46:04,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8225 states, 7704 states have (on average 1.040368639667705) internal successors, (8015), 7706 states have internal predecessors, (8015), 516 states have call successors, (516), 2 states have call predecessors, (516), 2 states have return successors, (516), 516 states have call predecessors, (516), 516 states have call successors, (516) [2025-02-08 09:46:04,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8225 states to 8225 states and 9047 transitions. [2025-02-08 09:46:04,069 INFO L78 Accepts]: Start accepts. Automaton has 8225 states and 9047 transitions. Word has length 255 [2025-02-08 09:46:04,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:04,070 INFO L471 AbstractCegarLoop]: Abstraction has 8225 states and 9047 transitions. [2025-02-08 09:46:04,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.0) internal successors, (90), 19 states have internal predecessors, (90), 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) [2025-02-08 09:46:04,070 INFO L276 IsEmpty]: Start isEmpty. Operand 8225 states and 9047 transitions. [2025-02-08 09:46:04,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-08 09:46:04,072 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:04,072 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:04,077 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 [2025-02-08 09:46:04,276 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 [2025-02-08 09:46:04,276 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)] === [2025-02-08 09:46:04,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:04,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1796761033, now seen corresponding path program 16 times [2025-02-08 09:46:04,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:04,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593488206] [2025-02-08 09:46:04,277 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:46:04,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:04,282 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 255 statements into 2 equivalence classes. [2025-02-08 09:46:04,295 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:46:04,296 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:46:04,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:04,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003835283] [2025-02-08 09:46:04,297 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-08 09:46:04,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:04,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:04,299 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:04,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2025-02-08 09:46:04,324 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 255 statements into 2 equivalence classes. [2025-02-08 09:46:04,361 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:46:04,362 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-08 09:46:04,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:04,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-02-08 09:46:04,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1252 backedges. 75 proven. 945 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2025-02-08 09:46:06,376 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:06,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:06,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593488206] [2025-02-08 09:46:06,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:06,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003835283] [2025-02-08 09:46:06,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003835283] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:06,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:06,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2025-02-08 09:46:06,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444059936] [2025-02-08 09:46:06,607 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:06,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-02-08 09:46:06,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:06,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-02-08 09:46:06,608 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=1498, Unknown=0, NotChecked=0, Total=1722 [2025-02-08 09:46:06,608 INFO L87 Difference]: Start difference. First operand 8225 states and 9047 transitions. Second operand has 39 states, 37 states have (on average 5.324324324324325) internal successors, (197), 37 states have internal predecessors, (197), 14 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:46:08,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:08,562 INFO L93 Difference]: Finished difference Result 8582 states and 9435 transitions. [2025-02-08 09:46:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-02-08 09:46:08,563 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 37 states have (on average 5.324324324324325) internal successors, (197), 37 states have internal predecessors, (197), 14 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) Word has length 255 [2025-02-08 09:46:08,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:08,572 INFO L225 Difference]: With dead ends: 8582 [2025-02-08 09:46:08,572 INFO L226 Difference]: Without dead ends: 8581 [2025-02-08 09:46:08,574 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1134 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=632, Invalid=3400, Unknown=0, NotChecked=0, Total=4032 [2025-02-08 09:46:08,574 INFO L435 NwaCegarLoop]: 43 mSDtfsCounter, 105 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 2788 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 604 SdHoareTripleChecker+Invalid, 2805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:08,574 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 604 Invalid, 2805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 2788 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:46:08,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8581 states. [2025-02-08 09:46:08,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8581 to 8225. [2025-02-08 09:46:08,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8225 states, 7704 states have (on average 1.0402388369678088) internal successors, (8014), 7706 states have internal predecessors, (8014), 516 states have call successors, (516), 2 states have call predecessors, (516), 2 states have return successors, (516), 516 states have call predecessors, (516), 516 states have call successors, (516) [2025-02-08 09:46:08,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8225 states to 8225 states and 9046 transitions. [2025-02-08 09:46:08,905 INFO L78 Accepts]: Start accepts. Automaton has 8225 states and 9046 transitions. Word has length 255 [2025-02-08 09:46:08,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:08,905 INFO L471 AbstractCegarLoop]: Abstraction has 8225 states and 9046 transitions. [2025-02-08 09:46:08,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 37 states have (on average 5.324324324324325) internal successors, (197), 37 states have internal predecessors, (197), 14 states have call successors, (14), 1 states have call predecessors, (14), 3 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:46:08,905 INFO L276 IsEmpty]: Start isEmpty. Operand 8225 states and 9046 transitions. [2025-02-08 09:46:08,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-08 09:46:08,907 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:08,907 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] [2025-02-08 09:46:08,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:09,107 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 [2025-02-08 09:46:09,108 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)] === [2025-02-08 09:46:09,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:09,108 INFO L85 PathProgramCache]: Analyzing trace with hash -311679978, now seen corresponding path program 17 times [2025-02-08 09:46:09,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:09,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137985246] [2025-02-08 09:46:09,108 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:46:09,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:09,113 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 255 statements into 13 equivalence classes. [2025-02-08 09:46:09,123 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:46:09,124 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-02-08 09:46:09,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:09,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [624399035] [2025-02-08 09:46:09,124 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-08 09:46:09,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:09,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:09,127 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:09,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2025-02-08 09:46:09,152 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 255 statements into 13 equivalence classes. [2025-02-08 09:46:09,215 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:46:09,215 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-02-08 09:46:09,215 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:09,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 62 conjuncts are in the unsatisfiable core [2025-02-08 09:46:09,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:10,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 309 proven. 706 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2025-02-08 09:46:10,419 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:10,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:10,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137985246] [2025-02-08 09:46:10,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:10,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624399035] [2025-02-08 09:46:10,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [624399035] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:10,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:10,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2025-02-08 09:46:10,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072385616] [2025-02-08 09:46:10,614 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:10,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-02-08 09:46:10,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:10,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-02-08 09:46:10,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=1304, Unknown=0, NotChecked=0, Total=1560 [2025-02-08 09:46:10,615 INFO L87 Difference]: Start difference. First operand 8225 states and 9046 transitions. Second operand has 36 states, 35 states have (on average 5.542857142857143) internal successors, (194), 35 states have internal predecessors, (194), 14 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:46:13,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:13,135 INFO L93 Difference]: Finished difference Result 14277 states and 15705 transitions. [2025-02-08 09:46:13,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-02-08 09:46:13,136 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 5.542857142857143) internal successors, (194), 35 states have internal predecessors, (194), 14 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) Word has length 255 [2025-02-08 09:46:13,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:13,147 INFO L225 Difference]: With dead ends: 14277 [2025-02-08 09:46:13,147 INFO L226 Difference]: Without dead ends: 8667 [2025-02-08 09:46:13,155 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 227 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2143 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1101, Invalid=6209, Unknown=0, NotChecked=0, Total=7310 [2025-02-08 09:46:13,155 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 232 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 3719 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 3740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 3719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:13,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 758 Invalid, 3740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 3719 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:46:13,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8667 states. [2025-02-08 09:46:13,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8667 to 8593. [2025-02-08 09:46:13,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8593 states, 8049 states have (on average 1.0385141011305752) internal successors, (8359), 8051 states have internal predecessors, (8359), 539 states have call successors, (539), 2 states have call predecessors, (539), 2 states have return successors, (539), 539 states have call predecessors, (539), 539 states have call successors, (539) [2025-02-08 09:46:13,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8593 states to 8593 states and 9437 transitions. [2025-02-08 09:46:13,622 INFO L78 Accepts]: Start accepts. Automaton has 8593 states and 9437 transitions. Word has length 255 [2025-02-08 09:46:13,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:13,623 INFO L471 AbstractCegarLoop]: Abstraction has 8593 states and 9437 transitions. [2025-02-08 09:46:13,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 5.542857142857143) internal successors, (194), 35 states have internal predecessors, (194), 14 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2025-02-08 09:46:13,623 INFO L276 IsEmpty]: Start isEmpty. Operand 8593 states and 9437 transitions. [2025-02-08 09:46:13,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-02-08 09:46:13,625 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:13,625 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] [2025-02-08 09:46:13,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2025-02-08 09:46:13,830 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 [2025-02-08 09:46:13,830 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)] === [2025-02-08 09:46:13,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:13,831 INFO L85 PathProgramCache]: Analyzing trace with hash 2099042180, now seen corresponding path program 18 times [2025-02-08 09:46:13,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:13,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132886920] [2025-02-08 09:46:13,831 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:46:13,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:13,836 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 275 statements into 14 equivalence classes. [2025-02-08 09:46:13,856 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) and asserted 275 of 275 statements. [2025-02-08 09:46:13,857 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2025-02-08 09:46:13,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-08 09:46:14,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:14,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132886920] [2025-02-08 09:46:14,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132886920] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:14,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342681554] [2025-02-08 09:46:14,066 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-08 09:46:14,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:14,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:14,068 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) [2025-02-08 09:46:14,070 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 [2025-02-08 09:46:14,093 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 275 statements into 14 equivalence classes. [2025-02-08 09:46:14,179 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) and asserted 235 of 275 statements. [2025-02-08 09:46:14,179 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2025-02-08 09:46:14,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:14,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-08 09:46:14,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:14,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 887 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2025-02-08 09:46:14,947 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:15,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342681554] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:15,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:46:15,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 30 [2025-02-08 09:46:15,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745701592] [2025-02-08 09:46:15,066 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:15,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-02-08 09:46:15,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:15,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-02-08 09:46:15,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=835, Unknown=0, NotChecked=0, Total=992 [2025-02-08 09:46:15,067 INFO L87 Difference]: Start difference. First operand 8593 states and 9437 transitions. Second operand has 30 states, 30 states have (on average 10.666666666666666) internal successors, (320), 30 states have internal predecessors, (320), 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) [2025-02-08 09:46:16,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:16,390 INFO L93 Difference]: Finished difference Result 16875 states and 18617 transitions. [2025-02-08 09:46:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-02-08 09:46:16,391 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 30 states have (on average 10.666666666666666) internal successors, (320), 30 states have internal predecessors, (320), 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 275 [2025-02-08 09:46:16,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:16,406 INFO L225 Difference]: With dead ends: 16875 [2025-02-08 09:46:16,406 INFO L226 Difference]: Without dead ends: 12564 [2025-02-08 09:46:16,413 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 315 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 590 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=307, Invalid=1673, Unknown=0, NotChecked=0, Total=1980 [2025-02-08 09:46:16,414 INFO L435 NwaCegarLoop]: 128 mSDtfsCounter, 116 mSDsluCounter, 876 mSDsCounter, 0 mSdLazyCounter, 2491 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 2502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:16,414 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 1004 Invalid, 2502 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2491 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:46:16,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12564 states. [2025-02-08 09:46:16,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12564 to 9859. [2025-02-08 09:46:16,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9859 states, 9236 states have (on average 1.0372455608488522) internal successors, (9580), 9238 states have internal predecessors, (9580), 618 states have call successors, (618), 2 states have call predecessors, (618), 2 states have return successors, (618), 618 states have call predecessors, (618), 618 states have call successors, (618) [2025-02-08 09:46:16,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9859 states to 9859 states and 10816 transitions. [2025-02-08 09:46:16,880 INFO L78 Accepts]: Start accepts. Automaton has 9859 states and 10816 transitions. Word has length 275 [2025-02-08 09:46:16,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:16,881 INFO L471 AbstractCegarLoop]: Abstraction has 9859 states and 10816 transitions. [2025-02-08 09:46:16,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 10.666666666666666) internal successors, (320), 30 states have internal predecessors, (320), 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) [2025-02-08 09:46:16,881 INFO L276 IsEmpty]: Start isEmpty. Operand 9859 states and 10816 transitions. [2025-02-08 09:46:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-02-08 09:46:16,883 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:16,883 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] [2025-02-08 09:46:16,889 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2025-02-08 09:46:17,087 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 [2025-02-08 09:46:17,087 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)] === [2025-02-08 09:46:17,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:17,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1053019644, now seen corresponding path program 19 times [2025-02-08 09:46:17,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:17,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783731556] [2025-02-08 09:46:17,087 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:46:17,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:17,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-02-08 09:46:17,098 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-02-08 09:46:17,098 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:17,099 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:17,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 287 proven. 912 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-08 09:46:17,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:17,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783731556] [2025-02-08 09:46:17,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783731556] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:17,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119165126] [2025-02-08 09:46:17,301 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-02-08 09:46:17,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:17,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:17,303 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) [2025-02-08 09:46:17,304 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 [2025-02-08 09:46:17,326 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-02-08 09:46:17,354 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-02-08 09:46:17,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:46:17,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:17,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:46:17,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-08 09:46:17,632 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:17,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2025-02-08 09:46:17,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119165126] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:17,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:46:17,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 24 [2025-02-08 09:46:17,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406625577] [2025-02-08 09:46:17,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:17,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-02-08 09:46:17,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:17,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-02-08 09:46:17,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2025-02-08 09:46:17,878 INFO L87 Difference]: Start difference. First operand 9859 states and 10816 transitions. Second operand has 24 states, 24 states have (on average 13.541666666666666) internal successors, (325), 24 states have internal predecessors, (325), 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) [2025-02-08 09:46:18,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:18,581 INFO L93 Difference]: Finished difference Result 10011 states and 10972 transitions. [2025-02-08 09:46:18,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-08 09:46:18,581 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 13.541666666666666) internal successors, (325), 24 states have internal predecessors, (325), 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 275 [2025-02-08 09:46:18,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:18,591 INFO L225 Difference]: With dead ends: 10011 [2025-02-08 09:46:18,591 INFO L226 Difference]: Without dead ends: 8227 [2025-02-08 09:46:18,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 529 SyntacticMatches, 13 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2025-02-08 09:46:18,593 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 30 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:18,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 603 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:18,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8227 states. [2025-02-08 09:46:18,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8227 to 8225. [2025-02-08 09:46:18,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8225 states, 7704 states have (on average 1.037772585669782) internal successors, (7995), 7706 states have internal predecessors, (7995), 516 states have call successors, (516), 2 states have call predecessors, (516), 2 states have return successors, (516), 516 states have call predecessors, (516), 516 states have call successors, (516) [2025-02-08 09:46:18,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8225 states to 8225 states and 9027 transitions. [2025-02-08 09:46:18,977 INFO L78 Accepts]: Start accepts. Automaton has 8225 states and 9027 transitions. Word has length 275 [2025-02-08 09:46:18,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:18,977 INFO L471 AbstractCegarLoop]: Abstraction has 8225 states and 9027 transitions. [2025-02-08 09:46:18,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.541666666666666) internal successors, (325), 24 states have internal predecessors, (325), 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) [2025-02-08 09:46:18,977 INFO L276 IsEmpty]: Start isEmpty. Operand 8225 states and 9027 transitions. [2025-02-08 09:46:18,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2025-02-08 09:46:18,979 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:18,979 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:18,985 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2025-02-08 09:46:19,180 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 [2025-02-08 09:46:19,180 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)] === [2025-02-08 09:46:19,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:19,180 INFO L85 PathProgramCache]: Analyzing trace with hash 479390871, now seen corresponding path program 20 times [2025-02-08 09:46:19,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:19,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65839701] [2025-02-08 09:46:19,181 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:46:19,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:19,187 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 295 statements into 2 equivalence classes. [2025-02-08 09:46:19,203 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 295 of 295 statements. [2025-02-08 09:46:19,203 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:46:19,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:19,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [738688941] [2025-02-08 09:46:19,205 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:46:19,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:19,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:19,208 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) [2025-02-08 09:46:19,210 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 [2025-02-08 09:46:19,238 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 295 statements into 2 equivalence classes. [2025-02-08 09:46:19,277 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 295 of 295 statements. [2025-02-08 09:46:19,278 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:46:19,278 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:19,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 465 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-08 09:46:19,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:19,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1670 backedges. 0 proven. 1230 refuted. 0 times theorem prover too weak. 440 trivial. 0 not checked. [2025-02-08 09:46:19,744 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:28,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:28,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65839701] [2025-02-08 09:46:28,057 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:28,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738688941] [2025-02-08 09:46:28,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738688941] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:28,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:46:28,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-08 09:46:28,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440864235] [2025-02-08 09:46:28,057 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:28,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-08 09:46:28,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:28,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-08 09:46:28,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=310, Unknown=2, NotChecked=0, Total=420 [2025-02-08 09:46:28,058 INFO L87 Difference]: Start difference. First operand 8225 states and 9027 transitions. Second operand has 12 states, 11 states have (on average 14.636363636363637) internal successors, (161), 12 states have internal predecessors, (161), 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) [2025-02-08 09:46:28,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:28,988 INFO L93 Difference]: Finished difference Result 9266 states and 10132 transitions. [2025-02-08 09:46:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:46:28,988 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 14.636363636363637) internal successors, (161), 12 states have internal predecessors, (161), 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 295 [2025-02-08 09:46:28,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:29,003 INFO L225 Difference]: With dead ends: 9266 [2025-02-08 09:46:29,003 INFO L226 Difference]: Without dead ends: 9265 [2025-02-08 09:46:29,007 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=108, Invalid=310, Unknown=2, NotChecked=0, Total=420 [2025-02-08 09:46:29,008 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 22 mSDsluCounter, 835 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 945 SdHoareTripleChecker+Invalid, 1022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:29,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 945 Invalid, 1022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:46:29,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9265 states. [2025-02-08 09:46:29,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9265 to 8225. [2025-02-08 09:46:29,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8225 states, 7704 states have (on average 1.0376427829698858) internal successors, (7994), 7706 states have internal predecessors, (7994), 516 states have call successors, (516), 2 states have call predecessors, (516), 2 states have return successors, (516), 516 states have call predecessors, (516), 516 states have call successors, (516) [2025-02-08 09:46:29,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8225 states to 8225 states and 9026 transitions. [2025-02-08 09:46:29,438 INFO L78 Accepts]: Start accepts. Automaton has 8225 states and 9026 transitions. Word has length 295 [2025-02-08 09:46:29,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:29,439 INFO L471 AbstractCegarLoop]: Abstraction has 8225 states and 9026 transitions. [2025-02-08 09:46:29,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 14.636363636363637) internal successors, (161), 12 states have internal predecessors, (161), 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) [2025-02-08 09:46:29,439 INFO L276 IsEmpty]: Start isEmpty. Operand 8225 states and 9026 transitions. [2025-02-08 09:46:29,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2025-02-08 09:46:29,441 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:29,441 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] [2025-02-08 09:46:29,448 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2025-02-08 09:46:29,641 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 [2025-02-08 09:46:29,642 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)] === [2025-02-08 09:46:29,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:29,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1013407118, now seen corresponding path program 21 times [2025-02-08 09:46:29,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:29,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862207742] [2025-02-08 09:46:29,642 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:46:29,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:29,651 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 295 statements into 15 equivalence classes. [2025-02-08 09:46:29,672 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 295 of 295 statements. [2025-02-08 09:46:29,672 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 09:46:29,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:46:29,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1189459317] [2025-02-08 09:46:29,673 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:46:29,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:29,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:29,676 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) [2025-02-08 09:46:29,678 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 [2025-02-08 09:46:29,703 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 295 statements into 15 equivalence classes. [2025-02-08 09:46:29,807 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 175 of 295 statements. [2025-02-08 09:46:29,807 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-02-08 09:46:29,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:29,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-08 09:46:29,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1090 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2025-02-08 09:46:30,175 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:30,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1090 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2025-02-08 09:46:30,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:30,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862207742] [2025-02-08 09:46:30,610 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:46:30,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189459317] [2025-02-08 09:46:30,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189459317] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:30,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:46:30,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2025-02-08 09:46:30,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555340623] [2025-02-08 09:46:30,611 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:30,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-08 09:46:30,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:30,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-08 09:46:30,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2025-02-08 09:46:30,612 INFO L87 Difference]: Start difference. First operand 8225 states and 9026 transitions. Second operand has 22 states, 21 states have (on average 12.619047619047619) internal successors, (265), 22 states have internal predecessors, (265), 17 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 17 states have call predecessors, (18), 17 states have call successors, (18) [2025-02-08 09:46:32,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:32,755 INFO L93 Difference]: Finished difference Result 8896 states and 9758 transitions. [2025-02-08 09:46:32,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-02-08 09:46:32,756 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 12.619047619047619) internal successors, (265), 22 states have internal predecessors, (265), 17 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 17 states have call predecessors, (18), 17 states have call successors, (18) Word has length 295 [2025-02-08 09:46:32,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:32,771 INFO L225 Difference]: With dead ends: 8896 [2025-02-08 09:46:32,771 INFO L226 Difference]: Without dead ends: 8895 [2025-02-08 09:46:32,775 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1099 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1039, Invalid=3653, Unknown=0, NotChecked=0, Total=4692 [2025-02-08 09:46:32,775 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 334 mSDsluCounter, 777 mSDsCounter, 0 mSdLazyCounter, 1687 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 1687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:32,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 848 Invalid, 1728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 1687 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-08 09:46:32,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8895 states. [2025-02-08 09:46:33,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8895 to 8837. [2025-02-08 09:46:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8837 states, 8279 states have (on average 1.0373233482304627) internal successors, (8588), 8281 states have internal predecessors, (8588), 553 states have call successors, (553), 2 states have call predecessors, (553), 2 states have return successors, (553), 553 states have call predecessors, (553), 553 states have call successors, (553) [2025-02-08 09:46:33,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8837 states to 8837 states and 9694 transitions. [2025-02-08 09:46:33,254 INFO L78 Accepts]: Start accepts. Automaton has 8837 states and 9694 transitions. Word has length 295 [2025-02-08 09:46:33,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:46:33,256 INFO L471 AbstractCegarLoop]: Abstraction has 8837 states and 9694 transitions. [2025-02-08 09:46:33,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 12.619047619047619) internal successors, (265), 22 states have internal predecessors, (265), 17 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 17 states have call predecessors, (18), 17 states have call successors, (18) [2025-02-08 09:46:33,258 INFO L276 IsEmpty]: Start isEmpty. Operand 8837 states and 9694 transitions. [2025-02-08 09:46:33,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2025-02-08 09:46:33,260 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:46:33,261 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:46:33,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2025-02-08 09:46:33,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2025-02-08 09:46:33,462 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2025-02-08 09:46:33,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:46:33,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1509920392, now seen corresponding path program 3 times [2025-02-08 09:46:33,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:46:33,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52132034] [2025-02-08 09:46:33,467 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:46:33,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:46:33,477 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 307 statements into 15 equivalence classes. [2025-02-08 09:46:33,525 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 307 of 307 statements. [2025-02-08 09:46:33,525 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 09:46:33,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2034 backedges. 0 proven. 1610 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2025-02-08 09:46:34,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:46:34,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52132034] [2025-02-08 09:46:34,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52132034] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:46:34,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504103278] [2025-02-08 09:46:34,160 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:46:34,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:46:34,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:46:34,163 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:46:34,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2025-02-08 09:46:34,208 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 307 statements into 15 equivalence classes. [2025-02-08 09:46:34,259 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) and asserted 307 of 307 statements. [2025-02-08 09:46:34,259 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2025-02-08 09:46:34,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:46:34,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-02-08 09:46:34,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:46:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2034 backedges. 0 proven. 1610 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2025-02-08 09:46:34,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:46:35,019 INFO L134 CoverageAnalysis]: Checked inductivity of 2034 backedges. 0 proven. 1610 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2025-02-08 09:46:35,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [504103278] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:46:35,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:46:35,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 32 [2025-02-08 09:46:35,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418844330] [2025-02-08 09:46:35,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:46:35,020 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-02-08 09:46:35,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:46:35,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-02-08 09:46:35,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2025-02-08 09:46:35,022 INFO L87 Difference]: Start difference. First operand 8837 states and 9694 transitions. Second operand has 33 states, 32 states have (on average 14.46875) internal successors, (463), 33 states have internal predecessors, (463), 32 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) [2025-02-08 09:46:36,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:46:36,003 INFO L93 Difference]: Finished difference Result 14469 states and 16364 transitions. [2025-02-08 09:46:36,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-02-08 09:46:36,004 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 14.46875) internal successors, (463), 33 states have internal predecessors, (463), 32 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 32 states have call predecessors, (33), 32 states have call successors, (33) Word has length 307 [2025-02-08 09:46:36,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:46:36,019 INFO L225 Difference]: With dead ends: 14469 [2025-02-08 09:46:36,020 INFO L226 Difference]: Without dead ends: 14468 [2025-02-08 09:46:36,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 628 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2025-02-08 09:46:36,022 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 17 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:46:36,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 240 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:46:36,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14468 states.