./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.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 33e65da42eaec3b998693833c359b0db98e1fca213179917a50e687ef24ee4df --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 13:59:29,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 13:59:29,262 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 13:59:29,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 13:59:29,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 13:59:29,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 13:59:29,288 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 13:59:29,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 13:59:29,289 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 13:59:29,289 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 13:59:29,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 13:59:29,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 13:59:29,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 13:59:29,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 13:59:29,291 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 13:59:29,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 13:59:29,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 13:59:29,291 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 13:59:29,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 13:59:29,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 13:59:29,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 13:59:29,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 13:59:29,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 13:59:29,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 13:59:29,292 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 13:59:29,292 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 13:59:29,292 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 13:59:29,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 13:59:29,292 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 13:59:29,292 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 13:59:29,292 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 13:59:29,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 13:59:29,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 13:59:29,293 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 13:59:29,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:59:29,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 13:59:29,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 13:59:29,293 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 13:59:29,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 13:59:29,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 13:59:29,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 13:59:29,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 13:59:29,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 13:59:29,293 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 13:59:29,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 13:59:29,294 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 -> 33e65da42eaec3b998693833c359b0db98e1fca213179917a50e687ef24ee4df [2025-02-06 13:59:29,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 13:59:29,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 13:59:29,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 13:59:29,510 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 13:59:29,511 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 13:59:29,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c [2025-02-06 13:59:30,678 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ca4faf6d5/4708b043464146a881b08a37abc3d8e1/FLAGd16acca08 [2025-02-06 13:59:30,976 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 13:59:30,976 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound2.c [2025-02-06 13:59:30,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ca4faf6d5/4708b043464146a881b08a37abc3d8e1/FLAGd16acca08 [2025-02-06 13:59:30,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ca4faf6d5/4708b043464146a881b08a37abc3d8e1 [2025-02-06 13:59:30,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 13:59:30,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 13:59:30,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 13:59:30,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 13:59:30,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 13:59:30,999 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:59:30" (1/1) ... [2025-02-06 13:59:31,000 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4ca3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31, skipping insertion in model container [2025-02-06 13:59:31,000 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 01:59:30" (1/1) ... [2025-02-06 13:59:31,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 13:59:31,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:59:31,134 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 13:59:31,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 13:59:31,164 INFO L204 MainTranslator]: Completed translation [2025-02-06 13:59:31,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31 WrapperNode [2025-02-06 13:59:31,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 13:59:31,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 13:59:31,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 13:59:31,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 13:59:31,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31" (1/1) ... [2025-02-06 13:59:31,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31" (1/1) ... [2025-02-06 13:59:31,195 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 153 [2025-02-06 13:59:31,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 13:59:31,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 13:59:31,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 13:59:31,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 13:59:31,205 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31" (1/1) ... [2025-02-06 13:59:31,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31" (1/1) ... [2025-02-06 13:59:31,209 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31" (1/1) ... [2025-02-06 13:59:31,224 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 13:59:31,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31" (1/1) ... [2025-02-06 13:59:31,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31" (1/1) ... [2025-02-06 13:59:31,227 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31" (1/1) ... [2025-02-06 13:59:31,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31" (1/1) ... [2025-02-06 13:59:31,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31" (1/1) ... [2025-02-06 13:59:31,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31" (1/1) ... [2025-02-06 13:59:31,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 13:59:31,233 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 13:59:31,233 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 13:59:31,233 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 13:59:31,234 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31" (1/1) ... [2025-02-06 13:59:31,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 13:59:31,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:31,276 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 13:59:31,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 13:59:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 13:59:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 13:59:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 13:59:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 13:59:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 13:59:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 13:59:31,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 13:59:31,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 13:59:31,375 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 13:59:31,381 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 13:59:31,811 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2025-02-06 13:59:31,812 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 13:59:31,822 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 13:59:31,822 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 13:59:31,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:59:31 BoogieIcfgContainer [2025-02-06 13:59:31,823 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 13:59:31,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 13:59:31,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 13:59:31,828 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 13:59:31,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 01:59:30" (1/3) ... [2025-02-06 13:59:31,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b824f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:59:31, skipping insertion in model container [2025-02-06 13:59:31,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 01:59:31" (2/3) ... [2025-02-06 13:59:31,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b824f9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 01:59:31, skipping insertion in model container [2025-02-06 13:59:31,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 01:59:31" (3/3) ... [2025-02-06 13:59:31,830 INFO L128 eAbstractionObserver]: Analyzing ICFG egcd3-ll_unwindbound2.c [2025-02-06 13:59:31,842 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 13:59:31,843 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_unwindbound2.c that has 3 procedures, 146 locations, 1 initial locations, 3 loop locations, and 56 error locations. [2025-02-06 13:59:31,883 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 13:59:31,893 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;@1954a18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 13:59:31,893 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2025-02-06 13:59:31,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 80 states have (on average 1.8375) internal successors, (147), 136 states have internal predecessors, (147), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 13:59:31,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 13:59:31,901 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:31,901 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:31,902 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:31,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:31,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1198495666, now seen corresponding path program 1 times [2025-02-06 13:59:31,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:31,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954532815] [2025-02-06 13:59:31,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:31,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:31,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:59:31,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:59:31,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:31,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:32,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:59:32,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:32,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954532815] [2025-02-06 13:59:32,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954532815] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:32,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032146287] [2025-02-06 13:59:32,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:32,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:32,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:32,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:59:32,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 13:59:32,069 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:59:32,085 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:59:32,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:32,086 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:32,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 13:59:32,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:32,096 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 13:59:32,097 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:32,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032146287] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:32,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:59:32,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 13:59:32,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061997460] [2025-02-06 13:59:32,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:32,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 13:59:32,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:32,116 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 13:59:32,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:59:32,118 INFO L87 Difference]: Start difference. First operand has 146 states, 80 states have (on average 1.8375) internal successors, (147), 136 states have internal predecessors, (147), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:32,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:32,139 INFO L93 Difference]: Finished difference Result 288 states and 324 transitions. [2025-02-06 13:59:32,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 13:59:32,140 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2025-02-06 13:59:32,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:32,146 INFO L225 Difference]: With dead ends: 288 [2025-02-06 13:59:32,146 INFO L226 Difference]: Without dead ends: 139 [2025-02-06 13:59:32,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 13:59:32,150 INFO L435 NwaCegarLoop]: 155 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, 155 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:32,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:59:32,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2025-02-06 13:59:32,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2025-02-06 13:59:32,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 75 states have (on average 1.8133333333333332) internal successors, (136), 130 states have internal predecessors, (136), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:59:32,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 148 transitions. [2025-02-06 13:59:32,199 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 148 transitions. Word has length 15 [2025-02-06 13:59:32,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:32,199 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 148 transitions. [2025-02-06 13:59:32,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:32,200 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions. [2025-02-06 13:59:32,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-06 13:59:32,201 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:32,201 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:32,209 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 13:59:32,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-06 13:59:32,403 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:32,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:32,403 INFO L85 PathProgramCache]: Analyzing trace with hash -569826542, now seen corresponding path program 1 times [2025-02-06 13:59:32,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:32,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357660859] [2025-02-06 13:59:32,404 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:32,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:32,409 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 13:59:32,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 13:59:32,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:32,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:32,476 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:32,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:32,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357660859] [2025-02-06 13:59:32,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357660859] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:32,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:32,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:32,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892453445] [2025-02-06 13:59:32,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:32,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:32,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:32,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:32,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:32,479 INFO L87 Difference]: Start difference. First operand 139 states and 148 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:32,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:32,530 INFO L93 Difference]: Finished difference Result 179 states and 189 transitions. [2025-02-06 13:59:32,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:59:32,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2025-02-06 13:59:32,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:32,532 INFO L225 Difference]: With dead ends: 179 [2025-02-06 13:59:32,532 INFO L226 Difference]: Without dead ends: 178 [2025-02-06 13:59:32,533 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:32,533 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 45 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:32,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 412 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:59:32,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2025-02-06 13:59:32,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 141. [2025-02-06 13:59:32,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 77 states have (on average 1.7922077922077921) internal successors, (138), 132 states have internal predecessors, (138), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:59:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2025-02-06 13:59:32,543 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 15 [2025-02-06 13:59:32,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:32,544 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2025-02-06 13:59:32,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:32,544 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2025-02-06 13:59:32,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-06 13:59:32,545 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:32,545 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:32,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 13:59:32,545 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:32,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:32,546 INFO L85 PathProgramCache]: Analyzing trace with hash -484753511, now seen corresponding path program 1 times [2025-02-06 13:59:32,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:32,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935764458] [2025-02-06 13:59:32,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:32,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:32,552 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-06 13:59:32,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-06 13:59:32,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:32,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:32,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:32,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935764458] [2025-02-06 13:59:32,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935764458] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:32,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:32,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:32,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857533889] [2025-02-06 13:59:32,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:32,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:32,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:32,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:32,627 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:32,627 INFO L87 Difference]: Start difference. First operand 141 states and 150 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) [2025-02-06 13:59:32,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:32,660 INFO L93 Difference]: Finished difference Result 172 states and 181 transitions. [2025-02-06 13:59:32,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:59:32,661 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 [2025-02-06 13:59:32,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:32,662 INFO L225 Difference]: With dead ends: 172 [2025-02-06 13:59:32,662 INFO L226 Difference]: Without dead ends: 143 [2025-02-06 13:59:32,662 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:32,663 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 8 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:32,663 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 415 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:59:32,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2025-02-06 13:59:32,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2025-02-06 13:59:32,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 134 states have internal predecessors, (140), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:59:32,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2025-02-06 13:59:32,671 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 16 [2025-02-06 13:59:32,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:32,671 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2025-02-06 13:59:32,671 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) [2025-02-06 13:59:32,671 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2025-02-06 13:59:32,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 13:59:32,671 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:32,672 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:32,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 13:59:32,672 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:32,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:32,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1611692982, now seen corresponding path program 1 times [2025-02-06 13:59:32,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:32,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903319456] [2025-02-06 13:59:32,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:32,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:32,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 13:59:32,686 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 13:59:32,686 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:32,686 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:32,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:32,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903319456] [2025-02-06 13:59:32,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903319456] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:32,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:32,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 13:59:32,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899758418] [2025-02-06 13:59:32,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:32,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:59:32,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:32,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:59:32,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:59:32,778 INFO L87 Difference]: Start difference. First operand 143 states and 152 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:32,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:32,993 INFO L93 Difference]: Finished difference Result 241 states and 264 transitions. [2025-02-06 13:59:32,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:59:32,994 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-02-06 13:59:32,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:32,995 INFO L225 Difference]: With dead ends: 241 [2025-02-06 13:59:32,995 INFO L226 Difference]: Without dead ends: 213 [2025-02-06 13:59:32,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-02-06 13:59:32,995 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 253 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:32,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 391 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:59:32,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2025-02-06 13:59:33,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 144. [2025-02-06 13:59:33,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 80 states have (on average 1.7625) internal successors, (141), 135 states have internal predecessors, (141), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:59:33,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 153 transitions. [2025-02-06 13:59:33,008 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 153 transitions. Word has length 19 [2025-02-06 13:59:33,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:33,008 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 153 transitions. [2025-02-06 13:59:33,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2025-02-06 13:59:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2025-02-06 13:59:33,009 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:33,009 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:33,009 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 13:59:33,009 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:33,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:33,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1577130198, now seen corresponding path program 1 times [2025-02-06 13:59:33,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:33,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573713664] [2025-02-06 13:59:33,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:33,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:33,013 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 13:59:33,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 13:59:33,016 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:33,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:33,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:33,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573713664] [2025-02-06 13:59:33,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573713664] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:33,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:33,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:59:33,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791872693] [2025-02-06 13:59:33,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:33,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:59:33,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:33,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:59:33,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:59:33,083 INFO L87 Difference]: Start difference. First operand 144 states and 153 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:33,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:33,144 INFO L93 Difference]: Finished difference Result 208 states and 220 transitions. [2025-02-06 13:59:33,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:59:33,144 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2025-02-06 13:59:33,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:33,145 INFO L225 Difference]: With dead ends: 208 [2025-02-06 13:59:33,145 INFO L226 Difference]: Without dead ends: 206 [2025-02-06 13:59:33,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:59:33,146 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 128 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:33,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 538 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:59:33,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2025-02-06 13:59:33,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 163. [2025-02-06 13:59:33,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7575757575757576) internal successors, (174), 154 states have internal predecessors, (174), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:59:33,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 186 transitions. [2025-02-06 13:59:33,159 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 186 transitions. Word has length 20 [2025-02-06 13:59:33,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:33,159 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 186 transitions. [2025-02-06 13:59:33,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:33,159 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 186 transitions. [2025-02-06 13:59:33,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2025-02-06 13:59:33,160 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:33,160 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:33,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 13:59:33,160 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:33,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:33,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1646395977, now seen corresponding path program 1 times [2025-02-06 13:59:33,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:33,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296846114] [2025-02-06 13:59:33,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:33,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:33,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-02-06 13:59:33,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-02-06 13:59:33,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:33,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:33,237 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:33,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:33,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296846114] [2025-02-06 13:59:33,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296846114] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:33,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:33,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:59:33,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554779145] [2025-02-06 13:59:33,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:33,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:59:33,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:33,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:59:33,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:59:33,242 INFO L87 Difference]: Start difference. First operand 163 states and 186 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:33,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:33,317 INFO L93 Difference]: Finished difference Result 316 states and 363 transitions. [2025-02-06 13:59:33,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:59:33,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 21 [2025-02-06 13:59:33,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:33,319 INFO L225 Difference]: With dead ends: 316 [2025-02-06 13:59:33,320 INFO L226 Difference]: Without dead ends: 167 [2025-02-06 13:59:33,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-06 13:59:33,322 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 11 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:33,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 672 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:59:33,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-02-06 13:59:33,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2025-02-06 13:59:33,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 103 states have (on average 1.7281553398058251) internal successors, (178), 158 states have internal predecessors, (178), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-06 13:59:33,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2025-02-06 13:59:33,336 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 21 [2025-02-06 13:59:33,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:33,336 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2025-02-06 13:59:33,336 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:33,336 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2025-02-06 13:59:33,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-06 13:59:33,340 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:33,340 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] [2025-02-06 13:59:33,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 13:59:33,341 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:33,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:33,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1585360796, now seen corresponding path program 1 times [2025-02-06 13:59:33,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:33,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759061919] [2025-02-06 13:59:33,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:33,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:33,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 13:59:33,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 13:59:33,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:33,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:33,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1318900200] [2025-02-06 13:59:33,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:33,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:33,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:33,363 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:59:33,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 13:59:33,405 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 13:59:33,419 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 13:59:33,419 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:33,419 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:33,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:59:33,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:33,444 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:33,447 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:33,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:33,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759061919] [2025-02-06 13:59:33,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:33,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318900200] [2025-02-06 13:59:33,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318900200] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:33,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:33,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:59:33,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311741941] [2025-02-06 13:59:33,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:33,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:59:33,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:33,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:59:33,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:59:33,449 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:33,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:33,566 INFO L93 Difference]: Finished difference Result 252 states and 292 transitions. [2025-02-06 13:59:33,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:59:33,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 25 [2025-02-06 13:59:33,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:33,568 INFO L225 Difference]: With dead ends: 252 [2025-02-06 13:59:33,568 INFO L226 Difference]: Without dead ends: 248 [2025-02-06 13:59:33,568 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:59:33,569 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 68 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:33,569 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 249 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:33,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2025-02-06 13:59:33,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 216. [2025-02-06 13:59:33,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 148 states have (on average 1.7432432432432432) internal successors, (258), 203 states have internal predecessors, (258), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 13:59:33,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 278 transitions. [2025-02-06 13:59:33,582 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 278 transitions. Word has length 25 [2025-02-06 13:59:33,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:33,582 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 278 transitions. [2025-02-06 13:59:33,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:33,583 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 278 transitions. [2025-02-06 13:59:33,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-02-06 13:59:33,583 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:33,583 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] [2025-02-06 13:59:33,593 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 13:59:33,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:33,784 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:33,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:33,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1585356666, now seen corresponding path program 1 times [2025-02-06 13:59:33,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:33,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840474840] [2025-02-06 13:59:33,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:33,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:33,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-02-06 13:59:33,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-02-06 13:59:33,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:33,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:33,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:33,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840474840] [2025-02-06 13:59:33,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840474840] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:33,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:33,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 13:59:33,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510754190] [2025-02-06 13:59:33,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:33,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:59:33,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:33,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:59:33,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:59:33,889 INFO L87 Difference]: Start difference. First operand 216 states and 278 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:33,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:33,992 INFO L93 Difference]: Finished difference Result 306 states and 387 transitions. [2025-02-06 13:59:33,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:59:33,993 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 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 25 [2025-02-06 13:59:33,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:33,993 INFO L225 Difference]: With dead ends: 306 [2025-02-06 13:59:33,993 INFO L226 Difference]: Without dead ends: 131 [2025-02-06 13:59:33,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2025-02-06 13:59:33,995 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 180 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:33,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 295 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:33,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2025-02-06 13:59:34,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 104. [2025-02-06 13:59:34,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 72 states have (on average 1.5555555555555556) internal successors, (112), 100 states have internal predecessors, (112), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:34,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 116 transitions. [2025-02-06 13:59:34,002 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 116 transitions. Word has length 25 [2025-02-06 13:59:34,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:34,003 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 116 transitions. [2025-02-06 13:59:34,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 116 transitions. [2025-02-06 13:59:34,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2025-02-06 13:59:34,003 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:34,003 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] [2025-02-06 13:59:34,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 13:59:34,004 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:34,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:34,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1901416307, now seen corresponding path program 1 times [2025-02-06 13:59:34,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:34,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053363388] [2025-02-06 13:59:34,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:34,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:34,007 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 13:59:34,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 13:59:34,015 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:34,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:34,079 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:34,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:34,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053363388] [2025-02-06 13:59:34,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053363388] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:34,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:34,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-02-06 13:59:34,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774045171] [2025-02-06 13:59:34,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:34,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:59:34,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:34,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:59:34,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 13:59:34,081 INFO L87 Difference]: Start difference. First operand 104 states and 116 transitions. Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:34,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:34,160 INFO L93 Difference]: Finished difference Result 129 states and 142 transitions. [2025-02-06 13:59:34,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 13:59:34,161 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 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 26 [2025-02-06 13:59:34,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:34,161 INFO L225 Difference]: With dead ends: 129 [2025-02-06 13:59:34,161 INFO L226 Difference]: Without dead ends: 128 [2025-02-06 13:59:34,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-02-06 13:59:34,162 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 38 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:34,162 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 407 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:59:34,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-02-06 13:59:34,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 108. [2025-02-06 13:59:34,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 76 states have (on average 1.5394736842105263) internal successors, (117), 104 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:34,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 121 transitions. [2025-02-06 13:59:34,171 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 121 transitions. Word has length 26 [2025-02-06 13:59:34,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:34,171 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 121 transitions. [2025-02-06 13:59:34,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:34,171 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 121 transitions. [2025-02-06 13:59:34,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 13:59:34,171 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:34,171 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] [2025-02-06 13:59:34,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 13:59:34,171 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:34,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:34,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1181665570, now seen corresponding path program 1 times [2025-02-06 13:59:34,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:34,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185510657] [2025-02-06 13:59:34,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:34,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:34,176 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 13:59:34,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 13:59:34,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:34,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:34,257 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:34,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:34,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185510657] [2025-02-06 13:59:34,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185510657] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:34,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:34,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:59:34,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129824585] [2025-02-06 13:59:34,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:34,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:59:34,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:34,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:59:34,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:34,259 INFO L87 Difference]: Start difference. First operand 108 states and 121 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:34,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:34,458 INFO L93 Difference]: Finished difference Result 117 states and 125 transitions. [2025-02-06 13:59:34,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:59:34,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 27 [2025-02-06 13:59:34,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:34,459 INFO L225 Difference]: With dead ends: 117 [2025-02-06 13:59:34,459 INFO L226 Difference]: Without dead ends: 116 [2025-02-06 13:59:34,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:34,459 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 17 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:34,460 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 258 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:59:34,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-02-06 13:59:34,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 109. [2025-02-06 13:59:34,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 105 states have internal predecessors, (118), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:34,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 122 transitions. [2025-02-06 13:59:34,463 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 122 transitions. Word has length 27 [2025-02-06 13:59:34,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:34,463 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 122 transitions. [2025-02-06 13:59:34,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:34,463 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 122 transitions. [2025-02-06 13:59:34,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 13:59:34,464 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:34,464 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] [2025-02-06 13:59:34,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 13:59:34,464 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:34,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:34,464 INFO L85 PathProgramCache]: Analyzing trace with hash -2023072984, now seen corresponding path program 1 times [2025-02-06 13:59:34,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:34,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653455003] [2025-02-06 13:59:34,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:34,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:34,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:59:34,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:59:34,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:34,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:34,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [217734978] [2025-02-06 13:59:34,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:34,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:34,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:34,486 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:59:34,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 13:59:34,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:59:34,534 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:59:34,534 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:34,534 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:34,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:59:34,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:34,677 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:34,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:34,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653455003] [2025-02-06 13:59:34,677 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:34,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217734978] [2025-02-06 13:59:34,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217734978] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:34,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:34,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:34,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764908462] [2025-02-06 13:59:34,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:34,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:34,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:34,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:34,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:34,678 INFO L87 Difference]: Start difference. First operand 109 states and 122 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:34,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:34,783 INFO L93 Difference]: Finished difference Result 117 states and 124 transitions. [2025-02-06 13:59:34,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:59:34,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 28 [2025-02-06 13:59:34,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:34,784 INFO L225 Difference]: With dead ends: 117 [2025-02-06 13:59:34,784 INFO L226 Difference]: Without dead ends: 116 [2025-02-06 13:59:34,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:34,785 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 19 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:34,785 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 184 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:34,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-02-06 13:59:34,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 110. [2025-02-06 13:59:34,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 78 states have (on average 1.5256410256410255) internal successors, (119), 106 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:34,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 123 transitions. [2025-02-06 13:59:34,793 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 123 transitions. Word has length 28 [2025-02-06 13:59:34,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:34,793 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 123 transitions. [2025-02-06 13:59:34,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:34,793 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 123 transitions. [2025-02-06 13:59:34,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 13:59:34,793 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:34,793 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] [2025-02-06 13:59:34,800 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 13:59:34,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:34,995 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:34,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:34,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1899967660, now seen corresponding path program 1 times [2025-02-06 13:59:34,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:34,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231959660] [2025-02-06 13:59:34,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:34,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:34,999 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 13:59:35,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 13:59:35,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:35,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:35,018 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:35,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:35,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231959660] [2025-02-06 13:59:35,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231959660] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:35,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:35,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:59:35,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392941650] [2025-02-06 13:59:35,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:35,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:59:35,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:35,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:59:35,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:59:35,019 INFO L87 Difference]: Start difference. First operand 110 states and 123 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:35,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:35,031 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2025-02-06 13:59:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:59:35,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (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 28 [2025-02-06 13:59:35,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:35,032 INFO L225 Difference]: With dead ends: 110 [2025-02-06 13:59:35,032 INFO L226 Difference]: Without dead ends: 109 [2025-02-06 13:59:35,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:59:35,032 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 2 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:35,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 146 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:59:35,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2025-02-06 13:59:35,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2025-02-06 13:59:35,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 78 states have (on average 1.5) internal successors, (117), 105 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:35,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 121 transitions. [2025-02-06 13:59:35,036 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 121 transitions. Word has length 28 [2025-02-06 13:59:35,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:35,036 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 121 transitions. [2025-02-06 13:59:35,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:35,036 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 121 transitions. [2025-02-06 13:59:35,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-06 13:59:35,036 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:35,036 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] [2025-02-06 13:59:35,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 13:59:35,036 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:35,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:35,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1709246944, now seen corresponding path program 1 times [2025-02-06 13:59:35,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:35,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821914330] [2025-02-06 13:59:35,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:35,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:35,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 13:59:35,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 13:59:35,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:35,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:35,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [836914177] [2025-02-06 13:59:35,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:35,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:35,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:35,046 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:59:35,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 13:59:35,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 13:59:35,086 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 13:59:35,086 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:35,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:35,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 13:59:35,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:35,111 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:35,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:35,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821914330] [2025-02-06 13:59:35,111 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:35,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836914177] [2025-02-06 13:59:35,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836914177] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:35,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:35,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 13:59:35,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701454055] [2025-02-06 13:59:35,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:35,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 13:59:35,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:35,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 13:59:35,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:59:35,112 INFO L87 Difference]: Start difference. First operand 109 states and 121 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:35,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:35,215 INFO L93 Difference]: Finished difference Result 148 states and 171 transitions. [2025-02-06 13:59:35,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 13:59:35,215 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 29 [2025-02-06 13:59:35,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:35,216 INFO L225 Difference]: With dead ends: 148 [2025-02-06 13:59:35,216 INFO L226 Difference]: Without dead ends: 144 [2025-02-06 13:59:35,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 13:59:35,220 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 15 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:35,220 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 129 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:35,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2025-02-06 13:59:35,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 126. [2025-02-06 13:59:35,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 122 states have internal predecessors, (139), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:35,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 143 transitions. [2025-02-06 13:59:35,227 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 143 transitions. Word has length 29 [2025-02-06 13:59:35,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:35,227 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 143 transitions. [2025-02-06 13:59:35,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:35,227 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2025-02-06 13:59:35,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-06 13:59:35,228 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:35,228 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] [2025-02-06 13:59:35,240 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 [2025-02-06 13:59:35,428 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,SelfDestructingSolverStorable12 [2025-02-06 13:59:35,429 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:35,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:35,429 INFO L85 PathProgramCache]: Analyzing trace with hash 1230544707, now seen corresponding path program 1 times [2025-02-06 13:59:35,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:35,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104188081] [2025-02-06 13:59:35,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:35,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:35,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 13:59:35,443 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 13:59:35,443 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:35,443 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:35,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:35,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:35,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104188081] [2025-02-06 13:59:35,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104188081] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:35,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:35,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 13:59:35,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191434834] [2025-02-06 13:59:35,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:35,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 13:59:35,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:35,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 13:59:35,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 13:59:35,527 INFO L87 Difference]: Start difference. First operand 126 states and 143 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:35,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:35,771 INFO L93 Difference]: Finished difference Result 138 states and 150 transitions. [2025-02-06 13:59:35,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 13:59:35,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (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 29 [2025-02-06 13:59:35,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:35,772 INFO L225 Difference]: With dead ends: 138 [2025-02-06 13:59:35,772 INFO L226 Difference]: Without dead ends: 137 [2025-02-06 13:59:35,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-06 13:59:35,773 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 138 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:35,773 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 190 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 13:59:35,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2025-02-06 13:59:35,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 129. [2025-02-06 13:59:35,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 98 states have (on average 1.4489795918367347) internal successors, (142), 125 states have internal predecessors, (142), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:35,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 146 transitions. [2025-02-06 13:59:35,777 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 146 transitions. Word has length 29 [2025-02-06 13:59:35,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:35,778 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 146 transitions. [2025-02-06 13:59:35,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:35,778 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 146 transitions. [2025-02-06 13:59:35,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2025-02-06 13:59:35,778 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:35,778 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] [2025-02-06 13:59:35,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 13:59:35,778 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:35,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:35,779 INFO L85 PathProgramCache]: Analyzing trace with hash -507819726, now seen corresponding path program 1 times [2025-02-06 13:59:35,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:35,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585548948] [2025-02-06 13:59:35,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:35,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:35,782 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-02-06 13:59:35,784 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-02-06 13:59:35,784 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:35,784 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:35,807 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:35,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:35,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585548948] [2025-02-06 13:59:35,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585548948] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:35,808 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:35,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 13:59:35,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138181473] [2025-02-06 13:59:35,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:35,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 13:59:35,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:35,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 13:59:35,809 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:35,809 INFO L87 Difference]: Start difference. First operand 129 states and 146 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:35,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:35,868 INFO L93 Difference]: Finished difference Result 146 states and 166 transitions. [2025-02-06 13:59:35,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 13:59:35,868 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), 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 30 [2025-02-06 13:59:35,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:35,869 INFO L225 Difference]: With dead ends: 146 [2025-02-06 13:59:35,869 INFO L226 Difference]: Without dead ends: 144 [2025-02-06 13:59:35,869 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 13:59:35,869 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 17 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:35,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 140 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:35,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2025-02-06 13:59:35,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 139. [2025-02-06 13:59:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 108 states have (on average 1.4259259259259258) internal successors, (154), 135 states have internal predecessors, (154), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:35,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 158 transitions. [2025-02-06 13:59:35,897 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 158 transitions. Word has length 30 [2025-02-06 13:59:35,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:35,897 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 158 transitions. [2025-02-06 13:59:35,897 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:35,897 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 158 transitions. [2025-02-06 13:59:35,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-06 13:59:35,898 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:35,898 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] [2025-02-06 13:59:35,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 13:59:35,898 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:35,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:35,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1908806302, now seen corresponding path program 1 times [2025-02-06 13:59:35,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:35,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112610490] [2025-02-06 13:59:35,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:35,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:35,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 13:59:35,903 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 13:59:35,903 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:35,904 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:35,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:35,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:35,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112610490] [2025-02-06 13:59:35,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112610490] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:35,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:35,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:59:35,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353867348] [2025-02-06 13:59:35,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:35,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:59:35,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:35,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:59:35,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:35,949 INFO L87 Difference]: Start difference. First operand 139 states and 158 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:36,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:36,087 INFO L93 Difference]: Finished difference Result 153 states and 168 transitions. [2025-02-06 13:59:36,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:59:36,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 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 31 [2025-02-06 13:59:36,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:36,088 INFO L225 Difference]: With dead ends: 153 [2025-02-06 13:59:36,088 INFO L226 Difference]: Without dead ends: 152 [2025-02-06 13:59:36,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:36,088 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 18 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:36,088 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 266 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:36,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2025-02-06 13:59:36,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 144. [2025-02-06 13:59:36,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 113 states have (on average 1.424778761061947) internal successors, (161), 140 states have internal predecessors, (161), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:36,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 165 transitions. [2025-02-06 13:59:36,094 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 165 transitions. Word has length 31 [2025-02-06 13:59:36,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:36,095 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 165 transitions. [2025-02-06 13:59:36,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:36,095 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 165 transitions. [2025-02-06 13:59:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-06 13:59:36,096 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:36,096 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:36,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 13:59:36,096 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:36,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:36,096 INFO L85 PathProgramCache]: Analyzing trace with hash -956546780, now seen corresponding path program 1 times [2025-02-06 13:59:36,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:36,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995102392] [2025-02-06 13:59:36,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:36,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:36,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:59:36,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:59:36,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:36,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:36,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [465687877] [2025-02-06 13:59:36,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:36,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:36,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:36,112 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:59:36,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 13:59:36,133 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-06 13:59:36,142 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-06 13:59:36,142 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:36,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:36,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 13:59:36,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:36,200 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:36,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:36,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995102392] [2025-02-06 13:59:36,200 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:36,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465687877] [2025-02-06 13:59:36,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465687877] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:36,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 13:59:36,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 13:59:36,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332531952] [2025-02-06 13:59:36,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:36,201 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 13:59:36,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:36,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 13:59:36,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:36,202 INFO L87 Difference]: Start difference. First operand 144 states and 165 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:36,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:36,273 INFO L93 Difference]: Finished difference Result 152 states and 168 transitions. [2025-02-06 13:59:36,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 13:59:36,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 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 32 [2025-02-06 13:59:36,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:36,275 INFO L225 Difference]: With dead ends: 152 [2025-02-06 13:59:36,275 INFO L226 Difference]: Without dead ends: 151 [2025-02-06 13:59:36,275 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 13:59:36,275 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 33 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:36,275 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 243 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:36,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2025-02-06 13:59:36,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 146. [2025-02-06 13:59:36,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 115 states have (on average 1.4173913043478261) internal successors, (163), 142 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:36,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 167 transitions. [2025-02-06 13:59:36,281 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 167 transitions. Word has length 32 [2025-02-06 13:59:36,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:36,281 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 167 transitions. [2025-02-06 13:59:36,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:36,281 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 167 transitions. [2025-02-06 13:59:36,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-06 13:59:36,283 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:36,283 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] [2025-02-06 13:59:36,288 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 13:59:36,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-06 13:59:36,483 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:36,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:36,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1816558848, now seen corresponding path program 1 times [2025-02-06 13:59:36,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:36,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400023813] [2025-02-06 13:59:36,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:36,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:36,489 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 13:59:36,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 13:59:36,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:36,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:36,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:36,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400023813] [2025-02-06 13:59:36,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400023813] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:36,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1559808446] [2025-02-06 13:59:36,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:36,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:36,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:36,583 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:59:36,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 13:59:36,604 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 13:59:36,612 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 13:59:36,613 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:36,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:36,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 13:59:36,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:36,673 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:36,798 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:36,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1559808446] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 13:59:36,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 13:59:36,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21 [2025-02-06 13:59:36,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035858399] [2025-02-06 13:59:36,799 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:36,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 13:59:36,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:36,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 13:59:36,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2025-02-06 13:59:36,800 INFO L87 Difference]: Start difference. First operand 146 states and 167 transitions. Second operand has 22 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 22 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:59:37,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:37,115 INFO L93 Difference]: Finished difference Result 263 states and 291 transitions. [2025-02-06 13:59:37,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-02-06 13:59:37,115 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 22 states have internal predecessors, (70), 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 34 [2025-02-06 13:59:37,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:37,116 INFO L225 Difference]: With dead ends: 263 [2025-02-06 13:59:37,116 INFO L226 Difference]: Without dead ends: 261 [2025-02-06 13:59:37,117 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=390, Invalid=1502, Unknown=0, NotChecked=0, Total=1892 [2025-02-06 13:59:37,117 INFO L435 NwaCegarLoop]: 96 mSDtfsCounter, 253 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:37,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 1072 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:37,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2025-02-06 13:59:37,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 178. [2025-02-06 13:59:37,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 147 states have (on average 1.380952380952381) internal successors, (203), 174 states have internal predecessors, (203), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:37,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 207 transitions. [2025-02-06 13:59:37,130 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 207 transitions. Word has length 34 [2025-02-06 13:59:37,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:37,130 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 207 transitions. [2025-02-06 13:59:37,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.3333333333333335) internal successors, (70), 22 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 13:59:37,131 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 207 transitions. [2025-02-06 13:59:37,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-06 13:59:37,132 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:37,132 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] [2025-02-06 13:59:37,138 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-06 13:59:37,336 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,SelfDestructingSolverStorable17 [2025-02-06 13:59:37,336 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:37,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:37,337 INFO L85 PathProgramCache]: Analyzing trace with hash 622996137, now seen corresponding path program 1 times [2025-02-06 13:59:37,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:37,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748643664] [2025-02-06 13:59:37,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:37,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:37,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 13:59:37,343 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 13:59:37,343 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:37,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:37,398 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:37,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:37,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748643664] [2025-02-06 13:59:37,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748643664] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:37,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [69736592] [2025-02-06 13:59:37,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:37,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:37,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:37,401 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:59:37,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 13:59:37,424 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-06 13:59:37,433 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-06 13:59:37,434 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:37,434 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:37,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 13:59:37,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 13:59:37,484 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 13:59:37,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [69736592] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 13:59:37,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:59:37,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2025-02-06 13:59:37,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261363074] [2025-02-06 13:59:37,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 13:59:37,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 13:59:37,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:37,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 13:59:37,485 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:59:37,485 INFO L87 Difference]: Start difference. First operand 178 states and 207 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:37,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:37,564 INFO L93 Difference]: Finished difference Result 217 states and 244 transitions. [2025-02-06 13:59:37,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 13:59:37,564 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 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 35 [2025-02-06 13:59:37,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:37,565 INFO L225 Difference]: With dead ends: 217 [2025-02-06 13:59:37,565 INFO L226 Difference]: Without dead ends: 216 [2025-02-06 13:59:37,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2025-02-06 13:59:37,566 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 94 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:37,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 461 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 13:59:37,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2025-02-06 13:59:37,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 183. [2025-02-06 13:59:37,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 152 states have (on average 1.381578947368421) internal successors, (210), 179 states have internal predecessors, (210), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:37,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 214 transitions. [2025-02-06 13:59:37,586 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 214 transitions. Word has length 35 [2025-02-06 13:59:37,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:37,586 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 214 transitions. [2025-02-06 13:59:37,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 13:59:37,586 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 214 transitions. [2025-02-06 13:59:37,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-02-06 13:59:37,586 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:37,586 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:37,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-06 13:59:37,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:37,792 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:37,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:37,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1698836799, now seen corresponding path program 1 times [2025-02-06 13:59:37,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:37,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943306599] [2025-02-06 13:59:37,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:37,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:37,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 13:59:37,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 13:59:37,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:37,806 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:37,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1425808713] [2025-02-06 13:59:37,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:37,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:37,807 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:37,811 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:59:37,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 13:59:37,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-02-06 13:59:37,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-02-06 13:59:37,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:37,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:37,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:59:37,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:37,991 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:37,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:38,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:38,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943306599] [2025-02-06 13:59:38,172 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:38,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1425808713] [2025-02-06 13:59:38,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1425808713] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:38,172 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:59:38,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:59:38,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697698355] [2025-02-06 13:59:38,172 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:38,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:59:38,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:38,173 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:59:38,173 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:59:38,173 INFO L87 Difference]: Start difference. First operand 183 states and 214 transitions. Second operand has 8 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:38,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:38,322 INFO L93 Difference]: Finished difference Result 269 states and 313 transitions. [2025-02-06 13:59:38,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 13:59:38,323 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2025-02-06 13:59:38,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:38,324 INFO L225 Difference]: With dead ends: 269 [2025-02-06 13:59:38,324 INFO L226 Difference]: Without dead ends: 268 [2025-02-06 13:59:38,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:59:38,324 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 207 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:38,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 261 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:38,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2025-02-06 13:59:38,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 193. [2025-02-06 13:59:38,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 162 states have (on average 1.382716049382716) internal successors, (224), 189 states have internal predecessors, (224), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:38,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 228 transitions. [2025-02-06 13:59:38,332 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 228 transitions. Word has length 37 [2025-02-06 13:59:38,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:38,332 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 228 transitions. [2025-02-06 13:59:38,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:38,332 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 228 transitions. [2025-02-06 13:59:38,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-06 13:59:38,333 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:38,333 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:38,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-06 13:59:38,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:38,537 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:38,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:38,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1124333215, now seen corresponding path program 1 times [2025-02-06 13:59:38,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:38,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320355289] [2025-02-06 13:59:38,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:38,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:38,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 13:59:38,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 13:59:38,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:38,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:38,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1954264556] [2025-02-06 13:59:38,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:38,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:38,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:38,548 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:59:38,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 13:59:38,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-06 13:59:38,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-06 13:59:38,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:38,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:38,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 13:59:38,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:38,792 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:38,792 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:39,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:39,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320355289] [2025-02-06 13:59:39,042 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:39,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954264556] [2025-02-06 13:59:39,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954264556] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:39,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:59:39,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 13:59:39,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891303714] [2025-02-06 13:59:39,042 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:39,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 13:59:39,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:39,043 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 13:59:39,043 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2025-02-06 13:59:39,043 INFO L87 Difference]: Start difference. First operand 193 states and 228 transitions. Second operand has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:39,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:39,155 INFO L93 Difference]: Finished difference Result 269 states and 312 transitions. [2025-02-06 13:59:39,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:59:39,155 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2025-02-06 13:59:39,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:39,156 INFO L225 Difference]: With dead ends: 269 [2025-02-06 13:59:39,156 INFO L226 Difference]: Without dead ends: 268 [2025-02-06 13:59:39,157 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-06 13:59:39,157 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 183 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:39,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 336 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:39,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2025-02-06 13:59:39,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 194. [2025-02-06 13:59:39,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 163 states have (on average 1.3803680981595092) internal successors, (225), 190 states have internal predecessors, (225), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:39,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 229 transitions. [2025-02-06 13:59:39,164 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 229 transitions. Word has length 38 [2025-02-06 13:59:39,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:39,164 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 229 transitions. [2025-02-06 13:59:39,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 5.666666666666667) internal successors, (34), 7 states have internal predecessors, (34), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:39,164 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 229 transitions. [2025-02-06 13:59:39,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-06 13:59:39,164 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:39,164 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:39,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-02-06 13:59:39,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:39,365 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:39,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:39,366 INFO L85 PathProgramCache]: Analyzing trace with hash 494591293, now seen corresponding path program 1 times [2025-02-06 13:59:39,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:39,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625282515] [2025-02-06 13:59:39,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:39,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:39,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 13:59:39,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 13:59:39,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:39,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:39,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [786230392] [2025-02-06 13:59:39,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:39,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:39,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:39,385 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:59:39,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 13:59:39,421 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-06 13:59:39,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-06 13:59:39,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:39,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:39,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:59:39,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:39,728 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:51,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:51,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625282515] [2025-02-06 13:59:51,920 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:51,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786230392] [2025-02-06 13:59:51,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786230392] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:51,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:59:51,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 13:59:51,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500127522] [2025-02-06 13:59:51,920 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:51,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:59:51,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:51,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:59:51,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=112, Unknown=3, NotChecked=0, Total=156 [2025-02-06 13:59:51,921 INFO L87 Difference]: Start difference. First operand 194 states and 229 transitions. Second operand has 9 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:52,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:52,041 INFO L93 Difference]: Finished difference Result 277 states and 325 transitions. [2025-02-06 13:59:52,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:59:52,042 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 39 [2025-02-06 13:59:52,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:52,043 INFO L225 Difference]: With dead ends: 277 [2025-02-06 13:59:52,043 INFO L226 Difference]: Without dead ends: 276 [2025-02-06 13:59:52,043 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=41, Invalid=112, Unknown=3, NotChecked=0, Total=156 [2025-02-06 13:59:52,044 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 195 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:52,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 391 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:52,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-06 13:59:52,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 195. [2025-02-06 13:59:52,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 164 states have (on average 1.3780487804878048) internal successors, (226), 191 states have internal predecessors, (226), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:52,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 230 transitions. [2025-02-06 13:59:52,052 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 230 transitions. Word has length 39 [2025-02-06 13:59:52,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:52,052 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 230 transitions. [2025-02-06 13:59:52,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:52,053 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 230 transitions. [2025-02-06 13:59:52,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 13:59:52,053 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:52,053 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:52,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-06 13:59:52,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:52,254 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 13:59:52,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 13:59:52,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1847539107, now seen corresponding path program 1 times [2025-02-06 13:59:52,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 13:59:52,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995290526] [2025-02-06 13:59:52,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:52,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 13:59:52,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 13:59:52,262 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 13:59:52,262 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:52,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 13:59:52,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [716449687] [2025-02-06 13:59:52,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 13:59:52,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 13:59:52,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 13:59:52,264 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 13:59:52,266 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 13:59:52,286 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 13:59:52,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 13:59:52,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 13:59:52,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 13:59:52,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 13:59:52,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 13:59:52,452 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 13:59:52,453 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 13:59:59,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 13:59:59,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995290526] [2025-02-06 13:59:59,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 13:59:59,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [716449687] [2025-02-06 13:59:59,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [716449687] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 13:59:59,666 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 13:59:59,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 13:59:59,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153026508] [2025-02-06 13:59:59,667 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 13:59:59,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 13:59:59,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 13:59:59,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 13:59:59,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=111, Unknown=4, NotChecked=0, Total=156 [2025-02-06 13:59:59,668 INFO L87 Difference]: Start difference. First operand 195 states and 230 transitions. Second operand has 9 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:59,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 13:59:59,794 INFO L93 Difference]: Finished difference Result 277 states and 324 transitions. [2025-02-06 13:59:59,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 13:59:59,794 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 40 [2025-02-06 13:59:59,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 13:59:59,796 INFO L225 Difference]: With dead ends: 277 [2025-02-06 13:59:59,796 INFO L226 Difference]: Without dead ends: 276 [2025-02-06 13:59:59,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=52, Invalid=126, Unknown=4, NotChecked=0, Total=182 [2025-02-06 13:59:59,797 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 190 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 13:59:59,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 286 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 13:59:59,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2025-02-06 13:59:59,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 196. [2025-02-06 13:59:59,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 165 states have (on average 1.3757575757575757) internal successors, (227), 192 states have internal predecessors, (227), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:59,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 231 transitions. [2025-02-06 13:59:59,806 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 231 transitions. Word has length 40 [2025-02-06 13:59:59,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 13:59:59,806 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 231 transitions. [2025-02-06 13:59:59,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 13:59:59,807 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 231 transitions. [2025-02-06 13:59:59,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 13:59:59,807 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 13:59:59,807 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 13:59:59,813 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-06 14:00:00,011 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,SelfDestructingSolverStorable22 [2025-02-06 14:00:00,011 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:00,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:00,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1439137477, now seen corresponding path program 1 times [2025-02-06 14:00:00,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:00,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929045042] [2025-02-06 14:00:00,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:00,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:00,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 14:00:00,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 14:00:00,023 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:00,023 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:00,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [394749955] [2025-02-06 14:00:00,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:00,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:00,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:00,025 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:00:00,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 14:00:00,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 14:00:00,056 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 14:00:00,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:00,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:00,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-06 14:00:00,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:00,214 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:00:00,215 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:00:00,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:00,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929045042] [2025-02-06 14:00:00,447 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:00,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394749955] [2025-02-06 14:00:00,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394749955] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:00,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:00:00,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-06 14:00:00,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799250304] [2025-02-06 14:00:00,447 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:00,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:00:00,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:00,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:00:00,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:00:00,448 INFO L87 Difference]: Start difference. First operand 196 states and 231 transitions. Second operand has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:04,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:08,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:09,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:09,639 INFO L93 Difference]: Finished difference Result 271 states and 317 transitions. [2025-02-06 14:00:09,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:00:09,639 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 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 41 [2025-02-06 14:00:09,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:09,640 INFO L225 Difference]: With dead ends: 271 [2025-02-06 14:00:09,640 INFO L226 Difference]: Without dead ends: 270 [2025-02-06 14:00:09,641 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2025-02-06 14:00:09,641 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 479 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:09,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 304 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 300 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2025-02-06 14:00:09,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2025-02-06 14:00:09,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 203. [2025-02-06 14:00:09,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 172 states have (on average 1.372093023255814) internal successors, (236), 199 states have internal predecessors, (236), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:00:09,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 240 transitions. [2025-02-06 14:00:09,648 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 240 transitions. Word has length 41 [2025-02-06 14:00:09,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:09,649 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 240 transitions. [2025-02-06 14:00:09,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:09,649 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 240 transitions. [2025-02-06 14:00:09,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 14:00:09,649 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:09,649 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:09,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-06 14:00:09,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:09,854 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:09,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:09,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1078336920, now seen corresponding path program 1 times [2025-02-06 14:00:09,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:09,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525040037] [2025-02-06 14:00:09,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:09,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:09,858 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 14:00:09,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 14:00:09,862 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:09,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:09,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1581000673] [2025-02-06 14:00:09,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:09,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:09,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:09,864 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:00:09,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-06 14:00:09,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 14:00:09,893 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 14:00:09,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:09,894 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:09,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:00:09,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:09,988 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:00:09,988 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:09,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:09,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525040037] [2025-02-06 14:00:09,989 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:09,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581000673] [2025-02-06 14:00:09,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581000673] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:09,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:09,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:00:09,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600066435] [2025-02-06 14:00:09,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:09,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:00:09,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:09,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:00:09,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:00:09,990 INFO L87 Difference]: Start difference. First operand 203 states and 240 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:00:10,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:10,103 INFO L93 Difference]: Finished difference Result 209 states and 240 transitions. [2025-02-06 14:00:10,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:00:10,104 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (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 41 [2025-02-06 14:00:10,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:10,105 INFO L225 Difference]: With dead ends: 209 [2025-02-06 14:00:10,105 INFO L226 Difference]: Without dead ends: 207 [2025-02-06 14:00:10,105 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:00:10,106 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 28 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:10,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 264 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:10,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2025-02-06 14:00:10,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 203. [2025-02-06 14:00:10,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 172 states have (on average 1.3546511627906976) internal successors, (233), 199 states have internal predecessors, (233), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:00:10,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 237 transitions. [2025-02-06 14:00:10,114 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 237 transitions. Word has length 41 [2025-02-06 14:00:10,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:10,114 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 237 transitions. [2025-02-06 14:00:10,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:00:10,117 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 237 transitions. [2025-02-06 14:00:10,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 14:00:10,117 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:10,117 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:10,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-06 14:00:10,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:10,317 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:10,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:10,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1663588837, now seen corresponding path program 1 times [2025-02-06 14:00:10,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:10,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405082676] [2025-02-06 14:00:10,319 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:10,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:10,321 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:00:10,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:00:10,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:10,328 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:10,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1772307760] [2025-02-06 14:00:10,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:10,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:10,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:10,335 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:00:10,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 14:00:10,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:00:10,379 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:00:10,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:10,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:10,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 14:00:10,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:10,589 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:10,590 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:14,908 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:14,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:14,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405082676] [2025-02-06 14:00:14,909 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:14,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772307760] [2025-02-06 14:00:14,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772307760] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:14,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:00:14,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2025-02-06 14:00:14,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299501649] [2025-02-06 14:00:14,912 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:14,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:00:14,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:14,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:00:14,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=138, Unknown=1, NotChecked=0, Total=182 [2025-02-06 14:00:14,914 INFO L87 Difference]: Start difference. First operand 203 states and 237 transitions. Second operand has 14 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:00:15,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:15,476 INFO L93 Difference]: Finished difference Result 274 states and 315 transitions. [2025-02-06 14:00:15,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:00:15,476 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2025-02-06 14:00:15,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:15,477 INFO L225 Difference]: With dead ends: 274 [2025-02-06 14:00:15,477 INFO L226 Difference]: Without dead ends: 273 [2025-02-06 14:00:15,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=50, Invalid=159, Unknown=1, NotChecked=0, Total=210 [2025-02-06 14:00:15,478 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 201 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:15,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 422 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-06 14:00:15,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2025-02-06 14:00:15,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 205. [2025-02-06 14:00:15,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 174 states have (on average 1.3563218390804597) internal successors, (236), 201 states have internal predecessors, (236), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:00:15,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 240 transitions. [2025-02-06 14:00:15,486 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 240 transitions. Word has length 42 [2025-02-06 14:00:15,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:15,487 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 240 transitions. [2025-02-06 14:00:15,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.384615384615385) internal successors, (70), 12 states have internal predecessors, (70), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2025-02-06 14:00:15,487 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 240 transitions. [2025-02-06 14:00:15,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 14:00:15,487 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:15,487 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:15,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-06 14:00:15,692 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,SelfDestructingSolverStorable25 [2025-02-06 14:00:15,692 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:15,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:15,693 INFO L85 PathProgramCache]: Analyzing trace with hash 677083386, now seen corresponding path program 1 times [2025-02-06 14:00:15,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:15,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803462250] [2025-02-06 14:00:15,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:15,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:15,697 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:00:15,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:00:15,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:15,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:15,728 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:00:15,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:15,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803462250] [2025-02-06 14:00:15,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803462250] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:15,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:15,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:00:15,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828637754] [2025-02-06 14:00:15,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:15,729 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:00:15,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:15,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:00:15,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:00:15,729 INFO L87 Difference]: Start difference. First operand 205 states and 240 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:00:15,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:15,758 INFO L93 Difference]: Finished difference Result 310 states and 355 transitions. [2025-02-06 14:00:15,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:00:15,759 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 42 [2025-02-06 14:00:15,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:15,759 INFO L225 Difference]: With dead ends: 310 [2025-02-06 14:00:15,759 INFO L226 Difference]: Without dead ends: 155 [2025-02-06 14:00:15,760 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:00:15,760 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 24 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:15,760 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 315 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:00:15,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-02-06 14:00:15,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2025-02-06 14:00:15,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 124 states have (on average 1.3225806451612903) internal successors, (164), 147 states have internal predecessors, (164), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:00:15,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 168 transitions. [2025-02-06 14:00:15,765 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 168 transitions. Word has length 42 [2025-02-06 14:00:15,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:15,765 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 168 transitions. [2025-02-06 14:00:15,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:00:15,765 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 168 transitions. [2025-02-06 14:00:15,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-06 14:00:15,765 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:15,765 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:15,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2025-02-06 14:00:15,766 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:15,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:15,766 INFO L85 PathProgramCache]: Analyzing trace with hash -931293842, now seen corresponding path program 1 times [2025-02-06 14:00:15,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:15,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137148527] [2025-02-06 14:00:15,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:15,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:15,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:00:15,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:00:15,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:15,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:15,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1639832199] [2025-02-06 14:00:15,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:15,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:15,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:15,774 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:00:15,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-06 14:00:15,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 14:00:15,809 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 14:00:15,809 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:15,809 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:15,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:00:15,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:15,939 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:00:15,940 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:16,241 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:00:16,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:16,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137148527] [2025-02-06 14:00:16,242 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:16,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639832199] [2025-02-06 14:00:16,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639832199] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:16,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:00:16,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-06 14:00:16,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47282475] [2025-02-06 14:00:16,242 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:16,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:00:16,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:16,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:00:16,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:00:16,243 INFO L87 Difference]: Start difference. First operand 151 states and 168 transitions. Second operand has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:00:16,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:16,446 INFO L93 Difference]: Finished difference Result 152 states and 168 transitions. [2025-02-06 14:00:16,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:00:16,447 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 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 42 [2025-02-06 14:00:16,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:16,447 INFO L225 Difference]: With dead ends: 152 [2025-02-06 14:00:16,447 INFO L226 Difference]: Without dead ends: 151 [2025-02-06 14:00:16,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:00:16,449 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 32 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:16,449 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 283 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:16,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2025-02-06 14:00:16,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2025-02-06 14:00:16,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 124 states have (on average 1.314516129032258) internal successors, (163), 147 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:00:16,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 167 transitions. [2025-02-06 14:00:16,453 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 167 transitions. Word has length 42 [2025-02-06 14:00:16,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:16,454 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 167 transitions. [2025-02-06 14:00:16,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.222222222222222) internal successors, (65), 10 states have internal predecessors, (65), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:00:16,454 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 167 transitions. [2025-02-06 14:00:16,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-06 14:00:16,454 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:16,454 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:16,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 14:00:16,655 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,SelfDestructingSolverStorable27 [2025-02-06 14:00:16,655 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:16,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:16,656 INFO L85 PathProgramCache]: Analyzing trace with hash -31646407, now seen corresponding path program 1 times [2025-02-06 14:00:16,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:16,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517863488] [2025-02-06 14:00:16,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:16,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:16,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:00:16,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:00:16,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:16,664 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:16,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [546303511] [2025-02-06 14:00:16,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:16,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:16,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:16,669 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:00:16,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-06 14:00:16,690 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-06 14:00:16,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-06 14:00:16,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:16,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:16,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:00:16,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:16,821 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:16,981 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:16,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:16,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517863488] [2025-02-06 14:00:16,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:16,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [546303511] [2025-02-06 14:00:16,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [546303511] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:16,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:00:16,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2025-02-06 14:00:16,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674794099] [2025-02-06 14:00:16,981 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:16,981 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:00:16,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:16,982 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:00:16,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:00:16,982 INFO L87 Difference]: Start difference. First operand 151 states and 167 transitions. Second operand has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:17,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:17,229 INFO L93 Difference]: Finished difference Result 195 states and 218 transitions. [2025-02-06 14:00:17,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-06 14:00:17,229 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2025-02-06 14:00:17,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:17,230 INFO L225 Difference]: With dead ends: 195 [2025-02-06 14:00:17,230 INFO L226 Difference]: Without dead ends: 194 [2025-02-06 14:00:17,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:00:17,233 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 238 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:17,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 397 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:00:17,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2025-02-06 14:00:17,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 152. [2025-02-06 14:00:17,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 125 states have (on average 1.312) internal successors, (164), 148 states have internal predecessors, (164), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:00:17,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 168 transitions. [2025-02-06 14:00:17,241 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 168 transitions. Word has length 43 [2025-02-06 14:00:17,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:17,241 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 168 transitions. [2025-02-06 14:00:17,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:17,241 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 168 transitions. [2025-02-06 14:00:17,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 14:00:17,242 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:17,242 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:17,248 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-06 14:00:17,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-06 14:00:17,443 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:17,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:17,443 INFO L85 PathProgramCache]: Analyzing trace with hash -981038631, now seen corresponding path program 1 times [2025-02-06 14:00:17,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:17,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85829628] [2025-02-06 14:00:17,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:17,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:17,448 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:00:17,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:00:17,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:17,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:17,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934503677] [2025-02-06 14:00:17,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:17,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:17,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:17,456 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:00:17,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-06 14:00:17,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:00:17,492 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:00:17,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:17,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:17,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:00:17,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:17,630 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:17,630 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:17,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:17,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85829628] [2025-02-06 14:00:17,919 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:17,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [934503677] [2025-02-06 14:00:17,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [934503677] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:17,919 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:00:17,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 14:00:17,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816735992] [2025-02-06 14:00:17,919 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:17,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:00:17,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:17,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:00:17,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:00:17,920 INFO L87 Difference]: Start difference. First operand 152 states and 168 transitions. Second operand has 8 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:00:18,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:18,044 INFO L93 Difference]: Finished difference Result 195 states and 217 transitions. [2025-02-06 14:00:18,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:00:18,045 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 44 [2025-02-06 14:00:18,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:18,045 INFO L225 Difference]: With dead ends: 195 [2025-02-06 14:00:18,046 INFO L226 Difference]: Without dead ends: 194 [2025-02-06 14:00:18,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:00:18,046 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 239 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:18,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 253 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:18,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2025-02-06 14:00:18,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 153. [2025-02-06 14:00:18,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 126 states have (on average 1.3095238095238095) internal successors, (165), 149 states have internal predecessors, (165), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:00:18,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 169 transitions. [2025-02-06 14:00:18,051 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 169 transitions. Word has length 44 [2025-02-06 14:00:18,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:18,051 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 169 transitions. [2025-02-06 14:00:18,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 6.666666666666667) internal successors, (40), 7 states have internal predecessors, (40), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:00:18,052 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 169 transitions. [2025-02-06 14:00:18,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-02-06 14:00:18,052 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:18,052 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:18,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-06 14:00:18,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:18,253 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:18,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:18,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1620184468, now seen corresponding path program 1 times [2025-02-06 14:00:18,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:18,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549227928] [2025-02-06 14:00:18,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:18,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:18,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:00:18,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:00:18,260 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:18,260 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:18,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1089327040] [2025-02-06 14:00:18,260 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:18,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:18,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:18,262 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:00:18,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-06 14:00:18,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-02-06 14:00:18,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-02-06 14:00:18,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:18,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:18,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-06 14:00:18,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:18,437 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:00:18,438 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:00:18,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:18,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549227928] [2025-02-06 14:00:18,438 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:18,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089327040] [2025-02-06 14:00:18,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089327040] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:00:18,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:00:18,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-06 14:00:18,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617238654] [2025-02-06 14:00:18,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:00:18,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:00:18,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:18,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:00:18,439 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:00:18,439 INFO L87 Difference]: Start difference. First operand 153 states and 169 transitions. Second operand has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:00:18,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:18,531 INFO L93 Difference]: Finished difference Result 154 states and 169 transitions. [2025-02-06 14:00:18,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:00:18,531 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 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 44 [2025-02-06 14:00:18,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:18,532 INFO L225 Difference]: With dead ends: 154 [2025-02-06 14:00:18,532 INFO L226 Difference]: Without dead ends: 153 [2025-02-06 14:00:18,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:00:18,533 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 5 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:18,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 246 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:18,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2025-02-06 14:00:18,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2025-02-06 14:00:18,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 126 states have (on average 1.3015873015873016) internal successors, (164), 149 states have internal predecessors, (164), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:00:18,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 168 transitions. [2025-02-06 14:00:18,539 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 168 transitions. Word has length 44 [2025-02-06 14:00:18,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:18,539 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 168 transitions. [2025-02-06 14:00:18,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.166666666666667) internal successors, (37), 7 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:00:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 168 transitions. [2025-02-06 14:00:18,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:00:18,539 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:18,539 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:18,550 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 [2025-02-06 14:00:18,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:18,744 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:18,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:18,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1082234815, now seen corresponding path program 1 times [2025-02-06 14:00:18,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:18,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132287256] [2025-02-06 14:00:18,745 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:18,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:18,747 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:00:18,753 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:00:18,753 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:18,753 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:00:18,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:18,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132287256] [2025-02-06 14:00:18,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132287256] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:18,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516401830] [2025-02-06 14:00:18,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:18,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:18,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:18,932 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:00:18,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-06 14:00:18,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:00:18,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:00:18,965 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:18,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:18,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:00:18,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:00:19,030 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:00:19,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516401830] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:19,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:00:19,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 8] total 12 [2025-02-06 14:00:19,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643901834] [2025-02-06 14:00:19,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:19,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:00:19,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:19,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:00:19,093 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:00:19,094 INFO L87 Difference]: Start difference. First operand 153 states and 168 transitions. Second operand has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:00:19,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:19,479 INFO L93 Difference]: Finished difference Result 296 states and 325 transitions. [2025-02-06 14:00:19,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-06 14:00:19,479 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2025-02-06 14:00:19,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:19,480 INFO L225 Difference]: With dead ends: 296 [2025-02-06 14:00:19,480 INFO L226 Difference]: Without dead ends: 206 [2025-02-06 14:00:19,481 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 78 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:00:19,481 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 124 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:19,483 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 464 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:00:19,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2025-02-06 14:00:19,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 177. [2025-02-06 14:00:19,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 150 states have (on average 1.2733333333333334) internal successors, (191), 173 states have internal predecessors, (191), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:00:19,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 195 transitions. [2025-02-06 14:00:19,492 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 195 transitions. Word has length 45 [2025-02-06 14:00:19,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:19,493 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 195 transitions. [2025-02-06 14:00:19,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.333333333333333) internal successors, (76), 12 states have internal predecessors, (76), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:00:19,493 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 195 transitions. [2025-02-06 14:00:19,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:00:19,496 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:19,496 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:19,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-02-06 14:00:19,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:19,697 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:19,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:19,698 INFO L85 PathProgramCache]: Analyzing trace with hash -347426505, now seen corresponding path program 1 times [2025-02-06 14:00:19,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:19,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149980450] [2025-02-06 14:00:19,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:19,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:19,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:00:19,704 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:00:19,704 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:19,705 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:19,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2084962456] [2025-02-06 14:00:19,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:19,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:19,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:19,707 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:00:19,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-06 14:00:19,726 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:00:19,737 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:00:19,737 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:19,737 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:19,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 24 conjuncts are in the unsatisfiable core [2025-02-06 14:00:19,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:20,033 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:20,033 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:24,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:24,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149980450] [2025-02-06 14:00:24,241 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:24,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2084962456] [2025-02-06 14:00:24,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2084962456] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:24,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:00:24,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2025-02-06 14:00:24,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349405385] [2025-02-06 14:00:24,242 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:24,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-02-06 14:00:24,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:24,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-02-06 14:00:24,243 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=208, Unknown=1, NotChecked=0, Total=272 [2025-02-06 14:00:24,243 INFO L87 Difference]: Start difference. First operand 177 states and 195 transitions. Second operand has 17 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:24,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:24,679 INFO L93 Difference]: Finished difference Result 189 states and 210 transitions. [2025-02-06 14:00:24,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:00:24,679 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2025-02-06 14:00:24,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:24,680 INFO L225 Difference]: With dead ends: 189 [2025-02-06 14:00:24,680 INFO L226 Difference]: Without dead ends: 187 [2025-02-06 14:00:24,680 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=82, Invalid=259, Unknown=1, NotChecked=0, Total=342 [2025-02-06 14:00:24,680 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 318 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:24,681 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 420 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:00:24,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2025-02-06 14:00:24,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 173. [2025-02-06 14:00:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 146 states have (on average 1.273972602739726) internal successors, (186), 169 states have internal predecessors, (186), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:00:24,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 190 transitions. [2025-02-06 14:00:24,686 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 190 transitions. Word has length 45 [2025-02-06 14:00:24,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:24,687 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 190 transitions. [2025-02-06 14:00:24,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 5.5) internal successors, (77), 15 states have internal predecessors, (77), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 190 transitions. [2025-02-06 14:00:24,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 14:00:24,687 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:24,687 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:24,693 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-02-06 14:00:24,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:24,888 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:24,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:24,888 INFO L85 PathProgramCache]: Analyzing trace with hash 2114680215, now seen corresponding path program 1 times [2025-02-06 14:00:24,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:24,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953091388] [2025-02-06 14:00:24,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:24,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:24,894 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:00:24,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:00:24,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:24,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:24,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [713157341] [2025-02-06 14:00:24,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:24,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:24,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:24,902 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:00:24,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-06 14:00:24,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:00:24,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:00:24,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:24,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:24,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-02-06 14:00:24,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:25,198 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:25,199 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:33,621 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:33,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:33,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953091388] [2025-02-06 14:00:33,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:33,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713157341] [2025-02-06 14:00:33,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713157341] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:33,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:00:33,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2025-02-06 14:00:33,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990912787] [2025-02-06 14:00:33,621 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:33,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 14:00:33,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:33,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 14:00:33,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=181, Unknown=2, NotChecked=0, Total=240 [2025-02-06 14:00:33,622 INFO L87 Difference]: Start difference. First operand 173 states and 190 transitions. Second operand has 16 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:00:34,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:34,319 INFO L93 Difference]: Finished difference Result 183 states and 203 transitions. [2025-02-06 14:00:34,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:00:34,319 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) Word has length 46 [2025-02-06 14:00:34,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:34,321 INFO L225 Difference]: With dead ends: 183 [2025-02-06 14:00:34,321 INFO L226 Difference]: Without dead ends: 182 [2025-02-06 14:00:34,322 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=76, Invalid=228, Unknown=2, NotChecked=0, Total=306 [2025-02-06 14:00:34,322 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 412 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:34,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 265 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 317 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:00:34,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2025-02-06 14:00:34,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 174. [2025-02-06 14:00:34,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 147 states have (on average 1.272108843537415) internal successors, (187), 170 states have internal predecessors, (187), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:00:34,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 191 transitions. [2025-02-06 14:00:34,330 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 191 transitions. Word has length 46 [2025-02-06 14:00:34,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:34,330 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 191 transitions. [2025-02-06 14:00:34,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 13 states have (on average 6.076923076923077) internal successors, (79), 14 states have internal predecessors, (79), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-06 14:00:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 191 transitions. [2025-02-06 14:00:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 14:00:34,330 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:34,330 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:34,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-06 14:00:34,535 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,SelfDestructingSolverStorable33 [2025-02-06 14:00:34,535 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:34,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:34,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1130577205, now seen corresponding path program 1 times [2025-02-06 14:00:34,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:34,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042889561] [2025-02-06 14:00:34,536 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:34,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:34,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:00:34,543 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:00:34,544 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:34,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:34,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1671488722] [2025-02-06 14:00:34,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:34,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:34,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:34,546 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:00:34,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-06 14:00:34,572 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:00:34,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:00:34,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:34,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:34,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:00:34,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:34,747 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:34,988 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:34,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:34,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042889561] [2025-02-06 14:00:34,988 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:34,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671488722] [2025-02-06 14:00:34,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671488722] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:34,989 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:00:34,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2025-02-06 14:00:34,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976068798] [2025-02-06 14:00:34,989 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:34,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 14:00:34,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:34,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 14:00:34,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:00:34,990 INFO L87 Difference]: Start difference. First operand 174 states and 191 transitions. Second operand has 16 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:35,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:35,479 INFO L93 Difference]: Finished difference Result 325 states and 372 transitions. [2025-02-06 14:00:35,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-02-06 14:00:35,479 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2025-02-06 14:00:35,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:35,480 INFO L225 Difference]: With dead ends: 325 [2025-02-06 14:00:35,480 INFO L226 Difference]: Without dead ends: 322 [2025-02-06 14:00:35,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=367, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:00:35,481 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 532 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 532 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:35,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [532 Valid, 339 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:00:35,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-02-06 14:00:35,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 264. [2025-02-06 14:00:35,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 237 states have (on average 1.3417721518987342) internal successors, (318), 260 states have internal predecessors, (318), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:00:35,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 322 transitions. [2025-02-06 14:00:35,491 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 322 transitions. Word has length 47 [2025-02-06 14:00:35,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:35,491 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 322 transitions. [2025-02-06 14:00:35,491 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:35,491 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 322 transitions. [2025-02-06 14:00:35,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-06 14:00:35,491 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:35,491 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:35,500 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-02-06 14:00:35,692 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,SelfDestructingSolverStorable34 [2025-02-06 14:00:35,692 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:35,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:35,692 INFO L85 PathProgramCache]: Analyzing trace with hash -72903583, now seen corresponding path program 1 times [2025-02-06 14:00:35,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:35,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899190582] [2025-02-06 14:00:35,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:35,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:35,695 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:00:35,700 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:00:35,700 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:35,700 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:35,785 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:00:35,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:35,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899190582] [2025-02-06 14:00:35,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899190582] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:00:35,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93244290] [2025-02-06 14:00:35,785 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:35,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:35,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:35,787 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:00:35,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-06 14:00:35,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-06 14:00:35,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-06 14:00:35,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:35,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:35,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 14:00:35,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:35,890 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:00:35,890 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:36,019 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:00:36,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93244290] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:36,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:00:36,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 26 [2025-02-06 14:00:36,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45903735] [2025-02-06 14:00:36,019 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:36,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-02-06 14:00:36,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:36,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-02-06 14:00:36,020 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=574, Unknown=0, NotChecked=0, Total=702 [2025-02-06 14:00:36,020 INFO L87 Difference]: Start difference. First operand 264 states and 322 transitions. Second operand has 27 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 27 states have internal predecessors, (109), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:36,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:00:36,283 INFO L93 Difference]: Finished difference Result 361 states and 437 transitions. [2025-02-06 14:00:36,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-06 14:00:36,284 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 27 states have internal predecessors, (109), 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 47 [2025-02-06 14:00:36,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:00:36,285 INFO L225 Difference]: With dead ends: 361 [2025-02-06 14:00:36,285 INFO L226 Difference]: Without dead ends: 360 [2025-02-06 14:00:36,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=466, Invalid=1696, Unknown=0, NotChecked=0, Total=2162 [2025-02-06 14:00:36,286 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 313 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 1157 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:00:36,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 1157 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:00:36,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2025-02-06 14:00:36,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 253. [2025-02-06 14:00:36,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253 states, 227 states have (on average 1.3259911894273129) internal successors, (301), 249 states have internal predecessors, (301), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:00:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 305 transitions. [2025-02-06 14:00:36,293 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 305 transitions. Word has length 47 [2025-02-06 14:00:36,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:00:36,293 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 305 transitions. [2025-02-06 14:00:36,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 4.1923076923076925) internal successors, (109), 27 states have internal predecessors, (109), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:36,294 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 305 transitions. [2025-02-06 14:00:36,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2025-02-06 14:00:36,294 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:00:36,294 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:00:36,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-02-06 14:00:36,494 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,SelfDestructingSolverStorable35 [2025-02-06 14:00:36,495 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:00:36,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:00:36,495 INFO L85 PathProgramCache]: Analyzing trace with hash 688154965, now seen corresponding path program 1 times [2025-02-06 14:00:36,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:00:36,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431050170] [2025-02-06 14:00:36,496 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:36,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:00:36,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:00:36,503 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:00:36,503 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:36,503 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:00:36,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117450999] [2025-02-06 14:00:36,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:00:36,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:00:36,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:00:36,505 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:00:36,506 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-06 14:00:36,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-02-06 14:00:36,536 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-02-06 14:00:36,536 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:00:36,536 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:00:36,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:00:36,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:00:36,697 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:36,697 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:00:37,128 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-06 14:00:37,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:00:37,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431050170] [2025-02-06 14:00:37,128 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:00:37,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117450999] [2025-02-06 14:00:37,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117450999] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:00:37,128 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:00:37,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2025-02-06 14:00:37,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429614810] [2025-02-06 14:00:37,128 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:00:37,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-06 14:00:37,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:00:37,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-06 14:00:37,129 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:00:37,129 INFO L87 Difference]: Start difference. First operand 253 states and 305 transitions. Second operand has 16 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:00:41,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:45,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:49,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:53,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:00:57,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:01:01,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:01:05,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:01:09,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:01:12,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2025-02-06 14:01:12,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:12,143 INFO L93 Difference]: Finished difference Result 305 states and 337 transitions. [2025-02-06 14:01:12,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:01:12,144 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2025-02-06 14:01:12,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:12,145 INFO L225 Difference]: With dead ends: 305 [2025-02-06 14:01:12,145 INFO L226 Difference]: Without dead ends: 302 [2025-02-06 14:01:12,145 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:01:12,145 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 653 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 10 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.8s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:12,146 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 417 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 290 Invalid, 8 Unknown, 0 Unchecked, 34.8s Time] [2025-02-06 14:01:12,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2025-02-06 14:01:12,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 255. [2025-02-06 14:01:12,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 229 states have (on average 1.3187772925764192) internal successors, (302), 251 states have internal predecessors, (302), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:01:12,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 306 transitions. [2025-02-06 14:01:12,165 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 306 transitions. Word has length 48 [2025-02-06 14:01:12,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:12,166 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 306 transitions. [2025-02-06 14:01:12,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 5.928571428571429) internal successors, (83), 14 states have internal predecessors, (83), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-06 14:01:12,166 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 306 transitions. [2025-02-06 14:01:12,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2025-02-06 14:01:12,167 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:12,167 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:12,180 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 [2025-02-06 14:01:12,367 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,SelfDestructingSolverStorable36 [2025-02-06 14:01:12,368 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:01:12,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:12,368 INFO L85 PathProgramCache]: Analyzing trace with hash -142032589, now seen corresponding path program 1 times [2025-02-06 14:01:12,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:12,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194547397] [2025-02-06 14:01:12,368 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:12,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:12,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:01:12,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:01:12,379 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:12,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:12,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1334338149] [2025-02-06 14:01:12,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:12,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:12,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:12,385 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:01:12,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-06 14:01:12,413 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-02-06 14:01:12,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-02-06 14:01:12,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:12,423 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:12,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 14:01:12,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:12,526 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:01:12,526 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:12,662 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:01:12,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:12,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194547397] [2025-02-06 14:01:12,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:12,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334338149] [2025-02-06 14:01:12,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334338149] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:01:12,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:01:12,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2025-02-06 14:01:12,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565941346] [2025-02-06 14:01:12,663 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:12,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:01:12,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:12,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:01:12,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:01:12,664 INFO L87 Difference]: Start difference. First operand 255 states and 306 transitions. Second operand has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:01:12,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:12,965 INFO L93 Difference]: Finished difference Result 260 states and 311 transitions. [2025-02-06 14:01:12,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:01:12,966 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 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 49 [2025-02-06 14:01:12,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:12,966 INFO L225 Difference]: With dead ends: 260 [2025-02-06 14:01:12,966 INFO L226 Difference]: Without dead ends: 259 [2025-02-06 14:01:12,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 88 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:01:12,967 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 19 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:12,967 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 308 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:01:12,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2025-02-06 14:01:12,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 258. [2025-02-06 14:01:12,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 232 states have (on average 1.3146551724137931) internal successors, (305), 254 states have internal predecessors, (305), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:01:12,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 309 transitions. [2025-02-06 14:01:12,984 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 309 transitions. Word has length 49 [2025-02-06 14:01:12,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:12,988 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 309 transitions. [2025-02-06 14:01:12,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.714285714285714) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:01:12,989 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 309 transitions. [2025-02-06 14:01:12,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 14:01:12,989 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:12,989 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:12,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-06 14:01:13,190 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,SelfDestructingSolverStorable37 [2025-02-06 14:01:13,190 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:01:13,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:13,191 INFO L85 PathProgramCache]: Analyzing trace with hash -108042989, now seen corresponding path program 1 times [2025-02-06 14:01:13,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:13,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839598175] [2025-02-06 14:01:13,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:13,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:13,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 14:01:13,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 14:01:13,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:13,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:13,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1966411221] [2025-02-06 14:01:13,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:13,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:13,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:13,209 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:01:13,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-06 14:01:13,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 14:01:13,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 14:01:13,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:13,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:13,249 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 14:01:13,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:01:13,347 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:01:13,347 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:01:13,495 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:01:13,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:13,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839598175] [2025-02-06 14:01:13,495 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:01:13,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966411221] [2025-02-06 14:01:13,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966411221] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:01:13,495 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:01:13,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2025-02-06 14:01:13,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232044090] [2025-02-06 14:01:13,496 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:01:13,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:01:13,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:13,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:01:13,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:01:13,496 INFO L87 Difference]: Start difference. First operand 258 states and 309 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:01:13,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:13,877 INFO L93 Difference]: Finished difference Result 260 states and 310 transitions. [2025-02-06 14:01:13,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:01:13,877 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 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 50 [2025-02-06 14:01:13,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:13,878 INFO L225 Difference]: With dead ends: 260 [2025-02-06 14:01:13,878 INFO L226 Difference]: Without dead ends: 232 [2025-02-06 14:01:13,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:01:13,879 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 25 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:13,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 307 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-06 14:01:13,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2025-02-06 14:01:13,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2025-02-06 14:01:13,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 206 states have (on average 1.3495145631067962) internal successors, (278), 228 states have internal predecessors, (278), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:01:13,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 282 transitions. [2025-02-06 14:01:13,886 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 282 transitions. Word has length 50 [2025-02-06 14:01:13,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:13,887 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 282 transitions. [2025-02-06 14:01:13,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 8 states have internal predecessors, (48), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:01:13,887 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 282 transitions. [2025-02-06 14:01:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2025-02-06 14:01:13,887 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:13,887 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:13,893 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 [2025-02-06 14:01:14,088 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,SelfDestructingSolverStorable38 [2025-02-06 14:01:14,088 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:01:14,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:14,089 INFO L85 PathProgramCache]: Analyzing trace with hash -382962895, now seen corresponding path program 1 times [2025-02-06 14:01:14,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:14,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799134221] [2025-02-06 14:01:14,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:14,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:14,092 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-02-06 14:01:14,096 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-02-06 14:01:14,096 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:14,096 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:14,135 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-06 14:01:14,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:01:14,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799134221] [2025-02-06 14:01:14,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799134221] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:01:14,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:01:14,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:01:14,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727861517] [2025-02-06 14:01:14,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:01:14,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:01:14,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:01:14,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:01:14,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:01:14,136 INFO L87 Difference]: Start difference. First operand 232 states and 282 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:01:14,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:01:14,160 INFO L93 Difference]: Finished difference Result 250 states and 299 transitions. [2025-02-06 14:01:14,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:01:14,160 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 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 58 [2025-02-06 14:01:14,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:01:14,161 INFO L225 Difference]: With dead ends: 250 [2025-02-06 14:01:14,161 INFO L226 Difference]: Without dead ends: 62 [2025-02-06 14:01:14,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:01:14,161 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 20 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:01:14,161 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 165 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:01:14,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2025-02-06 14:01:14,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2025-02-06 14:01:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 55 states have (on average 1.0545454545454545) internal successors, (58), 58 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 14:01:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2025-02-06 14:01:14,164 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 58 [2025-02-06 14:01:14,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:01:14,164 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2025-02-06 14:01:14,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:01:14,164 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2025-02-06 14:01:14,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-02-06 14:01:14,166 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:01:14,166 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:01:14,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2025-02-06 14:01:14,166 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-06 14:01:14,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:01:14,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1505766675, now seen corresponding path program 1 times [2025-02-06 14:01:14,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:01:14,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812049454] [2025-02-06 14:01:14,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:14,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:01:14,170 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-06 14:01:14,173 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 14:01:14,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:14,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:01:14,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1336850263] [2025-02-06 14:01:14,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:01:14,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:01:14,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:01:14,175 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:01:14,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-06 14:01:14,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-02-06 14:01:14,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-02-06 14:01:14,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:01:14,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:01:14,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-06 14:01:14,208 INFO L279 TraceCheckSpWp]: Computing forward predicates...