./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bcbcb4a55258889434b8bf703da9ec6fb29d07a2fbacad968a5ab15e005b314 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:21:50,367 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:21:50,427 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:21:50,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:21:50,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:21:50,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:21:50,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:21:50,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:21:50,456 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:21:50,457 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:21:50,457 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:21:50,457 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:21:50,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:21:50,457 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:21:50,457 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:21:50,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:21:50,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:21:50,458 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:21:50,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:21:50,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:21:50,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:21:50,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:21:50,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:21:50,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:21:50,458 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:21:50,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:21:50,458 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:21:50,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:21:50,458 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:21:50,459 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:21:50,459 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:21:50,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:21:50,459 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:21:50,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:21:50,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:21:50,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:21:50,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:21:50,459 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:21:50,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:21:50,459 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:21:50,459 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:21:50,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:21:50,460 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:21:50,460 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:21:50,460 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:21:50,460 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 -> 0bcbcb4a55258889434b8bf703da9ec6fb29d07a2fbacad968a5ab15e005b314 [2025-02-08 09:21:50,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:21:50,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:21:50,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:21:50,687 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:21:50,687 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:21:50,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c [2025-02-08 09:21:51,904 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f9a476984/aeeb6841b064446b9eb7411fddde25e0/FLAG0a67bd28b [2025-02-08 09:21:52,142 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:21:52,142 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound50.c [2025-02-08 09:21:52,161 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f9a476984/aeeb6841b064446b9eb7411fddde25e0/FLAG0a67bd28b [2025-02-08 09:21:52,472 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f9a476984/aeeb6841b064446b9eb7411fddde25e0 [2025-02-08 09:21:52,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:21:52,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:21:52,476 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:21:52,476 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:21:52,479 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:21:52,479 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,480 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289d6c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52, skipping insertion in model container [2025-02-08 09:21:52,480 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:21:52,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:21:52,594 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:21:52,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:21:52,617 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:21:52,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52 WrapperNode [2025-02-08 09:21:52,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:21:52,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:21:52,619 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:21:52,619 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:21:52,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,644 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2025-02-08 09:21:52,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:21:52,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:21:52,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:21:52,645 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:21:52,650 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,651 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,652 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,660 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:21:52,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,663 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,666 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:21:52,668 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:21:52,668 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:21:52,668 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:21:52,669 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52" (1/1) ... [2025-02-08 09:21:52,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:21:52,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:52,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:21:52,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:21:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:21:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:21:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:21:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:21:52,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:21:52,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:21:52,763 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:21:52,764 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:21:53,281 INFO L? ?]: Removed 238 outVars from TransFormulas that were not future-live. [2025-02-08 09:21:53,282 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:21:53,296 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:21:53,296 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:21:53,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:21:53 BoogieIcfgContainer [2025-02-08 09:21:53,297 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:21:53,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:21:53,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:21:53,302 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:21:53,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:21:52" (1/3) ... [2025-02-08 09:21:53,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c1f03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:21:53, skipping insertion in model container [2025-02-08 09:21:53,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:21:52" (2/3) ... [2025-02-08 09:21:53,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57c1f03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:21:53, skipping insertion in model container [2025-02-08 09:21:53,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:21:53" (3/3) ... [2025-02-08 09:21:53,304 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound50.c [2025-02-08 09:21:53,314 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:21:53,315 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_valuebound50.c that has 2 procedures, 299 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2025-02-08 09:21:53,352 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:21:53,360 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;@3e3d8b14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:21:53,360 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2025-02-08 09:21:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand has 299 states, 148 states have (on average 1.9594594594594594) internal successors, (290), 286 states have internal predecessors, (290), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-02-08 09:21:53,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:21:53,367 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:53,367 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:21:53,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:53,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:53,371 INFO L85 PathProgramCache]: Analyzing trace with hash 310086500, now seen corresponding path program 1 times [2025-02-08 09:21:53,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:53,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988722888] [2025-02-08 09:21:53,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:53,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:53,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:21:53,429 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:21:53,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:53,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:53,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:21:53,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:53,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988722888] [2025-02-08 09:21:53,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988722888] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:53,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:53,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:53,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443490464] [2025-02-08 09:21:53,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:53,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:21:53,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:53,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:21:53,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:21:53,479 INFO L87 Difference]: Start difference. First operand has 299 states, 148 states have (on average 1.9594594594594594) internal successors, (290), 286 states have internal predecessors, (290), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:21:53,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:53,506 INFO L93 Difference]: Finished difference Result 589 states and 632 transitions. [2025-02-08 09:21:53,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:21:53,508 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:21:53,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:53,524 INFO L225 Difference]: With dead ends: 589 [2025-02-08 09:21:53,525 INFO L226 Difference]: Without dead ends: 288 [2025-02-08 09:21:53,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:21:53,529 INFO L435 NwaCegarLoop]: 302 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, 302 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:53,530 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 302 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:21:53,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2025-02-08 09:21:53,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2025-02-08 09:21:53,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 146 states have (on average 1.8972602739726028) internal successors, (277), 276 states have internal predecessors, (277), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 09:21:53,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 297 transitions. [2025-02-08 09:21:53,564 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 297 transitions. Word has length 5 [2025-02-08 09:21:53,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:53,565 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 297 transitions. [2025-02-08 09:21:53,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:21:53,565 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 297 transitions. [2025-02-08 09:21:53,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:21:53,565 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:53,565 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:21:53,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:21:53,566 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:53,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:53,566 INFO L85 PathProgramCache]: Analyzing trace with hash 310116291, now seen corresponding path program 1 times [2025-02-08 09:21:53,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:53,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543937657] [2025-02-08 09:21:53,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:53,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:53,570 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:21:53,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:21:53,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:53,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:53,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:21:53,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:53,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543937657] [2025-02-08 09:21:53,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543937657] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:53,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:53,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:53,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261127898] [2025-02-08 09:21:53,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:53,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:53,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:53,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:53,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:53,614 INFO L87 Difference]: Start difference. First operand 288 states and 297 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:21:53,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:53,757 INFO L93 Difference]: Finished difference Result 557 states and 576 transitions. [2025-02-08 09:21:53,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:53,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2025-02-08 09:21:53,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:53,760 INFO L225 Difference]: With dead ends: 557 [2025-02-08 09:21:53,760 INFO L226 Difference]: Without dead ends: 537 [2025-02-08 09:21:53,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:53,762 INFO L435 NwaCegarLoop]: 271 mSDtfsCounter, 237 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:53,762 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 520 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:21:53,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2025-02-08 09:21:53,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 347. [2025-02-08 09:21:53,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 200 states have (on average 1.795) internal successors, (359), 330 states have internal predecessors, (359), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-02-08 09:21:53,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 389 transitions. [2025-02-08 09:21:53,782 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 389 transitions. Word has length 5 [2025-02-08 09:21:53,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:53,782 INFO L471 AbstractCegarLoop]: Abstraction has 347 states and 389 transitions. [2025-02-08 09:21:53,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:21:53,783 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 389 transitions. [2025-02-08 09:21:53,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:21:53,783 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:53,783 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:53,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:21:53,784 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:53,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:53,784 INFO L85 PathProgramCache]: Analyzing trace with hash -916147448, now seen corresponding path program 1 times [2025-02-08 09:21:53,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:53,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504504680] [2025-02-08 09:21:53,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:53,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:53,790 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:21:53,806 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:21:53,806 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:53,807 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:53,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1506562269] [2025-02-08 09:21:53,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:53,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:53,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:53,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:53,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:21:53,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:21:53,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:21:53,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:53,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:53,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:21:53,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:54,004 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:54,005 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:54,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:54,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504504680] [2025-02-08 09:21:54,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:54,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506562269] [2025-02-08 09:21:54,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506562269] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:54,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:54,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:54,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180678667] [2025-02-08 09:21:54,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:54,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:54,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:54,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:54,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:54,007 INFO L87 Difference]: Start difference. First operand 347 states and 389 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:54,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:54,430 INFO L93 Difference]: Finished difference Result 507 states and 564 transitions. [2025-02-08 09:21:54,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:54,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 38 [2025-02-08 09:21:54,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:54,432 INFO L225 Difference]: With dead ends: 507 [2025-02-08 09:21:54,432 INFO L226 Difference]: Without dead ends: 452 [2025-02-08 09:21:54,433 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:54,434 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 134 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:54,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 267 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:21:54,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2025-02-08 09:21:54,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 432. [2025-02-08 09:21:54,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.65) internal successors, (462), 410 states have internal predecessors, (462), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:21:54,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 502 transitions. [2025-02-08 09:21:54,487 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 502 transitions. Word has length 38 [2025-02-08 09:21:54,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:54,487 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 502 transitions. [2025-02-08 09:21:54,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:54,487 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 502 transitions. [2025-02-08 09:21:54,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:21:54,488 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:54,488 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:54,494 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:21:54,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:54,689 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:54,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:54,692 INFO L85 PathProgramCache]: Analyzing trace with hash 50605094, now seen corresponding path program 1 times [2025-02-08 09:21:54,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:54,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738560253] [2025-02-08 09:21:54,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:54,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:54,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:21:54,708 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:21:54,708 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:54,708 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:54,767 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:54,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:54,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738560253] [2025-02-08 09:21:54,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738560253] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:54,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:54,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:54,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531232737] [2025-02-08 09:21:54,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:54,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:54,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:54,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:54,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:54,769 INFO L87 Difference]: Start difference. First operand 432 states and 502 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:55,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:55,009 INFO L93 Difference]: Finished difference Result 465 states and 509 transitions. [2025-02-08 09:21:55,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:55,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2025-02-08 09:21:55,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:55,011 INFO L225 Difference]: With dead ends: 465 [2025-02-08 09:21:55,012 INFO L226 Difference]: Without dead ends: 442 [2025-02-08 09:21:55,013 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:55,013 INFO L435 NwaCegarLoop]: 225 mSDtfsCounter, 120 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:55,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 425 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:55,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-02-08 09:21:55,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2025-02-08 09:21:55,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5678571428571428) internal successors, (439), 410 states have internal predecessors, (439), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:21:55,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 479 transitions. [2025-02-08 09:21:55,027 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 479 transitions. Word has length 40 [2025-02-08 09:21:55,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:55,027 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 479 transitions. [2025-02-08 09:21:55,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:55,028 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 479 transitions. [2025-02-08 09:21:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 09:21:55,030 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:55,030 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:55,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:21:55,030 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:55,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:55,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1386861892, now seen corresponding path program 1 times [2025-02-08 09:21:55,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:55,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148102186] [2025-02-08 09:21:55,031 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:55,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:55,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 09:21:55,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 09:21:55,051 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:55,051 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:55,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:55,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148102186] [2025-02-08 09:21:55,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148102186] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:55,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:55,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:21:55,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551423997] [2025-02-08 09:21:55,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:55,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:21:55,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:55,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:21:55,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:55,152 INFO L87 Difference]: Start difference. First operand 432 states and 479 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:55,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:55,414 INFO L93 Difference]: Finished difference Result 444 states and 486 transitions. [2025-02-08 09:21:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:55,415 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2025-02-08 09:21:55,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:55,417 INFO L225 Difference]: With dead ends: 444 [2025-02-08 09:21:55,417 INFO L226 Difference]: Without dead ends: 442 [2025-02-08 09:21:55,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:55,417 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 253 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:55,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 367 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:55,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-02-08 09:21:55,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2025-02-08 09:21:55,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5607142857142857) internal successors, (437), 410 states have internal predecessors, (437), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:21:55,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 477 transitions. [2025-02-08 09:21:55,427 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 477 transitions. Word has length 42 [2025-02-08 09:21:55,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:55,427 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 477 transitions. [2025-02-08 09:21:55,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:55,427 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 477 transitions. [2025-02-08 09:21:55,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:21:55,427 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:55,428 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:55,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:21:55,428 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:55,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:55,428 INFO L85 PathProgramCache]: Analyzing trace with hash 43045901, now seen corresponding path program 1 times [2025-02-08 09:21:55,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:55,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374343815] [2025-02-08 09:21:55,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:55,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:55,432 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:21:55,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:21:55,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:55,437 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:55,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:55,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374343815] [2025-02-08 09:21:55,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374343815] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:55,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:55,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:21:55,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656981718] [2025-02-08 09:21:55,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:55,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:21:55,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:55,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:21:55,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:55,532 INFO L87 Difference]: Start difference. First operand 432 states and 477 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:55,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:55,818 INFO L93 Difference]: Finished difference Result 444 states and 484 transitions. [2025-02-08 09:21:55,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:55,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2025-02-08 09:21:55,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:55,820 INFO L225 Difference]: With dead ends: 444 [2025-02-08 09:21:55,820 INFO L226 Difference]: Without dead ends: 442 [2025-02-08 09:21:55,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:55,821 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 252 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:55,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 369 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:21:55,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-02-08 09:21:55,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 432. [2025-02-08 09:21:55,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 280 states have (on average 1.5535714285714286) internal successors, (435), 410 states have internal predecessors, (435), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:21:55,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 475 transitions. [2025-02-08 09:21:55,830 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 475 transitions. Word has length 43 [2025-02-08 09:21:55,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:55,830 INFO L471 AbstractCegarLoop]: Abstraction has 432 states and 475 transitions. [2025-02-08 09:21:55,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:55,830 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 475 transitions. [2025-02-08 09:21:55,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-08 09:21:55,831 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:55,831 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:55,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:21:55,831 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:55,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:55,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1814579328, now seen corresponding path program 1 times [2025-02-08 09:21:55,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:55,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759224698] [2025-02-08 09:21:55,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:55,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:55,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:21:55,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:21:55,846 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:55,846 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:21:55,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [4934352] [2025-02-08 09:21:55,846 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:55,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:55,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:55,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:55,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:21:55,874 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-08 09:21:55,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-08 09:21:55,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:55,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:55,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:21:55,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:56,014 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:56,015 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:56,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:56,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759224698] [2025-02-08 09:21:56,015 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:21:56,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4934352] [2025-02-08 09:21:56,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4934352] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:56,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:56,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:56,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531687862] [2025-02-08 09:21:56,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:56,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:56,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:56,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:56,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:56,019 INFO L87 Difference]: Start difference. First operand 432 states and 475 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:56,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:56,377 INFO L93 Difference]: Finished difference Result 449 states and 482 transitions. [2025-02-08 09:21:56,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:56,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2025-02-08 09:21:56,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:56,382 INFO L225 Difference]: With dead ends: 449 [2025-02-08 09:21:56,382 INFO L226 Difference]: Without dead ends: 440 [2025-02-08 09:21:56,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:56,383 INFO L435 NwaCegarLoop]: 178 mSDtfsCounter, 112 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 257 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:56,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 257 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:21:56,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-02-08 09:21:56,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 435. [2025-02-08 09:21:56,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 283 states have (on average 1.5265017667844523) internal successors, (432), 413 states have internal predecessors, (432), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:21:56,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 472 transitions. [2025-02-08 09:21:56,393 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 472 transitions. Word has length 46 [2025-02-08 09:21:56,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:56,393 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 472 transitions. [2025-02-08 09:21:56,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:56,393 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 472 transitions. [2025-02-08 09:21:56,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-02-08 09:21:56,394 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:56,394 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:56,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:21:56,598 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 [2025-02-08 09:21:56,598 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:56,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:56,599 INFO L85 PathProgramCache]: Analyzing trace with hash -417384119, now seen corresponding path program 1 times [2025-02-08 09:21:56,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:56,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689885364] [2025-02-08 09:21:56,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:56,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:56,605 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-02-08 09:21:56,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-02-08 09:21:56,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:56,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:56,675 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:56,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:56,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689885364] [2025-02-08 09:21:56,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689885364] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:56,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:56,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:21:56,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189017897] [2025-02-08 09:21:56,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:56,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:21:56,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:56,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:21:56,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:56,677 INFO L87 Difference]: Start difference. First operand 435 states and 472 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:57,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:57,394 INFO L93 Difference]: Finished difference Result 448 states and 473 transitions. [2025-02-08 09:21:57,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:57,398 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2025-02-08 09:21:57,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:57,400 INFO L225 Difference]: With dead ends: 448 [2025-02-08 09:21:57,400 INFO L226 Difference]: Without dead ends: 442 [2025-02-08 09:21:57,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:57,401 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 133 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:57,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 384 Invalid, 511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:21:57,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2025-02-08 09:21:57,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 435. [2025-02-08 09:21:57,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 283 states have (on average 1.5053003533568905) internal successors, (426), 413 states have internal predecessors, (426), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-08 09:21:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 466 transitions. [2025-02-08 09:21:57,411 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 466 transitions. Word has length 47 [2025-02-08 09:21:57,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:57,411 INFO L471 AbstractCegarLoop]: Abstraction has 435 states and 466 transitions. [2025-02-08 09:21:57,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 466 transitions. [2025-02-08 09:21:57,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2025-02-08 09:21:57,412 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:57,412 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:57,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:21:57,412 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:57,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:57,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1732042373, now seen corresponding path program 1 times [2025-02-08 09:21:57,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:57,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8833590] [2025-02-08 09:21:57,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:57,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:57,417 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes. [2025-02-08 09:21:57,421 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-02-08 09:21:57,421 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:57,421 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:57,531 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:21:57,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:57,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8833590] [2025-02-08 09:21:57,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8833590] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:57,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:57,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:21:57,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556928967] [2025-02-08 09:21:57,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:57,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:21:57,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:57,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:21:57,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:57,533 INFO L87 Difference]: Start difference. First operand 435 states and 466 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:57,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:57,976 INFO L93 Difference]: Finished difference Result 446 states and 467 transitions. [2025-02-08 09:21:57,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:57,976 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2025-02-08 09:21:57,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:57,977 INFO L225 Difference]: With dead ends: 446 [2025-02-08 09:21:57,977 INFO L226 Difference]: Without dead ends: 373 [2025-02-08 09:21:57,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:21:57,978 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 119 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:57,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 348 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:21:57,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2025-02-08 09:21:57,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 369. [2025-02-08 09:21:57,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 220 states have (on average 1.6227272727272728) internal successors, (357), 350 states have internal predecessors, (357), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 09:21:57,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 391 transitions. [2025-02-08 09:21:57,985 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 391 transitions. Word has length 51 [2025-02-08 09:21:57,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:57,986 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 391 transitions. [2025-02-08 09:21:57,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-08 09:21:57,986 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 391 transitions. [2025-02-08 09:21:57,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-02-08 09:21:57,986 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:57,986 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2025-02-08 09:21:57,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 09:21:57,987 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:57,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:57,987 INFO L85 PathProgramCache]: Analyzing trace with hash 484079298, now seen corresponding path program 1 times [2025-02-08 09:21:57,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:57,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785929622] [2025-02-08 09:21:57,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:57,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:57,992 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-02-08 09:21:57,997 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-02-08 09:21:57,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:57,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:58,056 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:58,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:58,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785929622] [2025-02-08 09:21:58,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785929622] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:58,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:58,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:58,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064739906] [2025-02-08 09:21:58,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:58,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:58,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:58,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:58,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:58,059 INFO L87 Difference]: Start difference. First operand 369 states and 391 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:58,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:58,327 INFO L93 Difference]: Finished difference Result 369 states and 391 transitions. [2025-02-08 09:21:58,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:58,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 83 [2025-02-08 09:21:58,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:58,332 INFO L225 Difference]: With dead ends: 369 [2025-02-08 09:21:58,332 INFO L226 Difference]: Without dead ends: 362 [2025-02-08 09:21:58,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:58,333 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 138 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:58,333 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 154 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:21:58,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-02-08 09:21:58,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2025-02-08 09:21:58,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 220 states have (on average 1.5909090909090908) internal successors, (350), 343 states have internal predecessors, (350), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 09:21:58,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 384 transitions. [2025-02-08 09:21:58,341 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 384 transitions. Word has length 83 [2025-02-08 09:21:58,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:58,341 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 384 transitions. [2025-02-08 09:21:58,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 384 transitions. [2025-02-08 09:21:58,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-02-08 09:21:58,342 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:58,342 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2025-02-08 09:21:58,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-08 09:21:58,342 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:58,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:58,343 INFO L85 PathProgramCache]: Analyzing trace with hash 2121556495, now seen corresponding path program 1 times [2025-02-08 09:21:58,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:58,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335204221] [2025-02-08 09:21:58,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:58,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:58,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-02-08 09:21:58,369 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-02-08 09:21:58,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:58,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:58,420 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:58,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:58,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335204221] [2025-02-08 09:21:58,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335204221] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:58,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:58,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:58,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706506971] [2025-02-08 09:21:58,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:58,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:58,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:58,421 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:58,421 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:58,421 INFO L87 Difference]: Start difference. First operand 362 states and 384 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:58,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:58,584 INFO L93 Difference]: Finished difference Result 369 states and 387 transitions. [2025-02-08 09:21:58,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:58,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2025-02-08 09:21:58,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:58,586 INFO L225 Difference]: With dead ends: 369 [2025-02-08 09:21:58,586 INFO L226 Difference]: Without dead ends: 368 [2025-02-08 09:21:58,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:58,586 INFO L435 NwaCegarLoop]: 254 mSDtfsCounter, 24 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:58,586 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 392 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:58,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2025-02-08 09:21:58,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 364. [2025-02-08 09:21:58,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 222 states have (on average 1.5855855855855856) internal successors, (352), 345 states have internal predecessors, (352), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 09:21:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 386 transitions. [2025-02-08 09:21:58,595 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 386 transitions. Word has length 84 [2025-02-08 09:21:58,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:58,595 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 386 transitions. [2025-02-08 09:21:58,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:58,596 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 386 transitions. [2025-02-08 09:21:58,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-08 09:21:58,596 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:58,596 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:58,596 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-08 09:21:58,597 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:58,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:58,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1386946156, now seen corresponding path program 1 times [2025-02-08 09:21:58,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:58,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521842306] [2025-02-08 09:21:58,597 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:58,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:58,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:21:58,608 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:21:58,608 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:58,608 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:58,671 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:21:58,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:58,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521842306] [2025-02-08 09:21:58,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521842306] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:58,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:58,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:21:58,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5436967] [2025-02-08 09:21:58,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:58,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:21:58,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:58,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:21:58,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:58,673 INFO L87 Difference]: Start difference. First operand 364 states and 386 transitions. Second operand has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-08 09:21:58,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:58,733 INFO L93 Difference]: Finished difference Result 364 states and 386 transitions. [2025-02-08 09:21:58,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:21:58,733 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 86 [2025-02-08 09:21:58,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:58,735 INFO L225 Difference]: With dead ends: 364 [2025-02-08 09:21:58,735 INFO L226 Difference]: Without dead ends: 362 [2025-02-08 09:21:58,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:21:58,735 INFO L435 NwaCegarLoop]: 248 mSDtfsCounter, 192 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:58,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 261 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:21:58,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-02-08 09:21:58,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2025-02-08 09:21:58,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 222 states have (on average 1.5675675675675675) internal successors, (348), 343 states have internal predecessors, (348), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 09:21:58,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 382 transitions. [2025-02-08 09:21:58,749 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 382 transitions. Word has length 86 [2025-02-08 09:21:58,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:58,749 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 382 transitions. [2025-02-08 09:21:58,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-02-08 09:21:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 382 transitions. [2025-02-08 09:21:58,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-08 09:21:58,750 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:58,750 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:58,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-08 09:21:58,750 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:58,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:58,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1293665587, now seen corresponding path program 1 times [2025-02-08 09:21:58,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:58,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632633853] [2025-02-08 09:21:58,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:58,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:58,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:21:58,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:21:58,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:58,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:58,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:58,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632633853] [2025-02-08 09:21:58,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632633853] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:58,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141598338] [2025-02-08 09:21:58,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:58,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:58,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:58,825 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:58,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:21:58,851 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:21:58,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:21:58,868 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:58,868 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:58,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:21:58,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:58,949 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:21:58,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141598338] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:58,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:21:58,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-08 09:21:58,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390036251] [2025-02-08 09:21:58,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:58,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:21:58,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:58,950 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:21:58,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:58,950 INFO L87 Difference]: Start difference. First operand 362 states and 382 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:59,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:59,045 INFO L93 Difference]: Finished difference Result 366 states and 382 transitions. [2025-02-08 09:21:59,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:59,045 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 86 [2025-02-08 09:21:59,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:59,047 INFO L225 Difference]: With dead ends: 366 [2025-02-08 09:21:59,047 INFO L226 Difference]: Without dead ends: 358 [2025-02-08 09:21:59,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:59,047 INFO L435 NwaCegarLoop]: 304 mSDtfsCounter, 420 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:59,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 373 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:21:59,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2025-02-08 09:21:59,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 354. [2025-02-08 09:21:59,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 222 states have (on average 1.5315315315315314) internal successors, (340), 335 states have internal predecessors, (340), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 09:21:59,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 374 transitions. [2025-02-08 09:21:59,059 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 374 transitions. Word has length 86 [2025-02-08 09:21:59,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:59,059 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 374 transitions. [2025-02-08 09:21:59,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-08 09:21:59,059 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 374 transitions. [2025-02-08 09:21:59,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-08 09:21:59,060 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:59,061 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:59,068 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:21:59,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:59,261 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:59,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:59,262 INFO L85 PathProgramCache]: Analyzing trace with hash -45657744, now seen corresponding path program 1 times [2025-02-08 09:21:59,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:59,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489396084] [2025-02-08 09:21:59,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:59,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:59,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 09:21:59,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 09:21:59,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:59,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:59,338 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:21:59,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:59,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489396084] [2025-02-08 09:21:59,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489396084] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:21:59,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:21:59,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:21:59,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715000169] [2025-02-08 09:21:59,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:21:59,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:21:59,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:59,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:21:59,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:59,340 INFO L87 Difference]: Start difference. First operand 354 states and 374 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:21:59,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:59,511 INFO L93 Difference]: Finished difference Result 358 states and 374 transitions. [2025-02-08 09:21:59,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:21:59,512 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 87 [2025-02-08 09:21:59,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:59,513 INFO L225 Difference]: With dead ends: 358 [2025-02-08 09:21:59,513 INFO L226 Difference]: Without dead ends: 354 [2025-02-08 09:21:59,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:21:59,514 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 19 mSDsluCounter, 656 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 897 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:59,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 897 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:21:59,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2025-02-08 09:21:59,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 352. [2025-02-08 09:21:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 220 states have (on average 1.5272727272727273) internal successors, (336), 333 states have internal predecessors, (336), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-02-08 09:21:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 370 transitions. [2025-02-08 09:21:59,525 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 370 transitions. Word has length 87 [2025-02-08 09:21:59,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:59,525 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 370 transitions. [2025-02-08 09:21:59,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-08 09:21:59,526 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 370 transitions. [2025-02-08 09:21:59,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-08 09:21:59,526 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:59,526 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:59,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 09:21:59,527 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:21:59,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:21:59,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1448927277, now seen corresponding path program 1 times [2025-02-08 09:21:59,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:21:59,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909216187] [2025-02-08 09:21:59,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:59,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:21:59,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 09:21:59,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 09:21:59,540 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:59,540 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:59,593 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:59,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:21:59,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909216187] [2025-02-08 09:21:59,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909216187] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:21:59,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544162117] [2025-02-08 09:21:59,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:21:59,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:21:59,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:21:59,595 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:21:59,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:21:59,619 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 09:21:59,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 09:21:59,632 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:21:59,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:21:59,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:21:59,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:21:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:59,695 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:21:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-08 09:21:59,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544162117] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:21:59,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:21:59,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:21:59,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436188647] [2025-02-08 09:21:59,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:21:59,786 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:21:59,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:21:59,786 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:21:59,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:59,786 INFO L87 Difference]: Start difference. First operand 352 states and 370 transitions. Second operand has 7 states, 6 states have (on average 29.333333333333332) internal successors, (176), 7 states have internal predecessors, (176), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-08 09:21:59,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:21:59,923 INFO L93 Difference]: Finished difference Result 613 states and 651 transitions. [2025-02-08 09:21:59,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:21:59,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.333333333333332) internal successors, (176), 7 states have internal predecessors, (176), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 87 [2025-02-08 09:21:59,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:21:59,926 INFO L225 Difference]: With dead ends: 613 [2025-02-08 09:21:59,926 INFO L226 Difference]: Without dead ends: 605 [2025-02-08 09:21:59,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:21:59,927 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 648 mSDsluCounter, 683 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:21:59,927 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 925 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:21:59,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2025-02-08 09:21:59,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 412. [2025-02-08 09:21:59,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 281 states have (on average 1.5160142348754448) internal successors, (426), 388 states have internal predecessors, (426), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-02-08 09:21:59,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 470 transitions. [2025-02-08 09:21:59,937 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 470 transitions. Word has length 87 [2025-02-08 09:21:59,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:21:59,937 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 470 transitions. [2025-02-08 09:21:59,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.333333333333332) internal successors, (176), 7 states have internal predecessors, (176), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-02-08 09:21:59,938 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 470 transitions. [2025-02-08 09:21:59,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 09:21:59,938 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:21:59,938 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:21:59,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:22:00,139 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,SelfDestructingSolverStorable14 [2025-02-08 09:22:00,139 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:00,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:00,139 INFO L85 PathProgramCache]: Analyzing trace with hash -2877981, now seen corresponding path program 1 times [2025-02-08 09:22:00,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:00,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705267547] [2025-02-08 09:22:00,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:00,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:00,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:22:00,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:22:00,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:00,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:00,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [106616442] [2025-02-08 09:22:00,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:00,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:00,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:00,165 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:00,168 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:22:00,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:22:00,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:22:00,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:00,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:00,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:22:00,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:22:00,298 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:00,487 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-08 09:22:00,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:00,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705267547] [2025-02-08 09:22:00,487 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:00,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106616442] [2025-02-08 09:22:00,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106616442] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:00,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:22:00,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-02-08 09:22:00,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557424908] [2025-02-08 09:22:00,491 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:00,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:22:00,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:00,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:22:00,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:22:00,492 INFO L87 Difference]: Start difference. First operand 412 states and 470 transitions. Second operand has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-08 09:22:00,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:00,663 INFO L93 Difference]: Finished difference Result 615 states and 647 transitions. [2025-02-08 09:22:00,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:22:00,663 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 98 [2025-02-08 09:22:00,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:00,665 INFO L225 Difference]: With dead ends: 615 [2025-02-08 09:22:00,665 INFO L226 Difference]: Without dead ends: 610 [2025-02-08 09:22:00,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 190 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:22:00,666 INFO L435 NwaCegarLoop]: 300 mSDtfsCounter, 1114 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 786 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:00,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 786 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:00,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 610 states. [2025-02-08 09:22:00,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 610 to 417. [2025-02-08 09:22:00,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 289 states have (on average 1.4740484429065743) internal successors, (426), 392 states have internal predecessors, (426), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:22:00,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 472 transitions. [2025-02-08 09:22:00,677 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 472 transitions. Word has length 98 [2025-02-08 09:22:00,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:00,677 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 472 transitions. [2025-02-08 09:22:00,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.4) internal successors, (137), 6 states have internal predecessors, (137), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-08 09:22:00,677 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 472 transitions. [2025-02-08 09:22:00,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2025-02-08 09:22:00,678 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:00,678 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 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, 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] [2025-02-08 09:22:00,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 09:22:00,878 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,SelfDestructingSolverStorable15 [2025-02-08 09:22:00,879 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:00,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:00,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1448887635, now seen corresponding path program 1 times [2025-02-08 09:22:00,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:00,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575293668] [2025-02-08 09:22:00,880 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:00,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:00,884 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 103 statements into 1 equivalence classes. [2025-02-08 09:22:00,894 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 103 of 103 statements. [2025-02-08 09:22:00,894 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:00,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:01,007 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-02-08 09:22:01,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:01,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575293668] [2025-02-08 09:22:01,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575293668] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:01,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:01,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:22:01,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816818029] [2025-02-08 09:22:01,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:01,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:22:01,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:01,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:22:01,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:22:01,008 INFO L87 Difference]: Start difference. First operand 417 states and 472 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:22:01,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:01,137 INFO L93 Difference]: Finished difference Result 423 states and 475 transitions. [2025-02-08 09:22:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:22:01,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 103 [2025-02-08 09:22:01,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:01,139 INFO L225 Difference]: With dead ends: 423 [2025-02-08 09:22:01,139 INFO L226 Difference]: Without dead ends: 397 [2025-02-08 09:22:01,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:22:01,139 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 458 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:01,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 400 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:01,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2025-02-08 09:22:01,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2025-02-08 09:22:01,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 271 states have (on average 1.4981549815498154) internal successors, (406), 374 states have internal predecessors, (406), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:22:01,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 448 transitions. [2025-02-08 09:22:01,150 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 448 transitions. Word has length 103 [2025-02-08 09:22:01,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:01,150 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 448 transitions. [2025-02-08 09:22:01,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:22:01,150 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 448 transitions. [2025-02-08 09:22:01,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-02-08 09:22:01,151 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:01,151 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 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] [2025-02-08 09:22:01,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 09:22:01,151 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:01,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:01,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1955757762, now seen corresponding path program 1 times [2025-02-08 09:22:01,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:01,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662328851] [2025-02-08 09:22:01,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:01,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:01,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-02-08 09:22:01,169 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-02-08 09:22:01,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:01,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:01,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1607330484] [2025-02-08 09:22:01,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:01,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:01,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:01,173 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:01,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:22:01,200 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-02-08 09:22:01,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-02-08 09:22:01,218 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:01,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:01,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:22:01,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:01,416 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:22:01,416 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:22:01,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:01,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662328851] [2025-02-08 09:22:01,416 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:01,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607330484] [2025-02-08 09:22:01,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607330484] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:01,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:01,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:22:01,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201907703] [2025-02-08 09:22:01,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:01,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:22:01,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:01,419 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:22:01,420 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:22:01,420 INFO L87 Difference]: Start difference. First operand 397 states and 448 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:22:01,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:01,808 INFO L93 Difference]: Finished difference Result 397 states and 448 transitions. [2025-02-08 09:22:01,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:22:01,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 119 [2025-02-08 09:22:01,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:01,809 INFO L225 Difference]: With dead ends: 397 [2025-02-08 09:22:01,810 INFO L226 Difference]: Without dead ends: 387 [2025-02-08 09:22:01,810 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:22:01,810 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 235 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:01,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 264 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:22:01,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2025-02-08 09:22:01,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2025-02-08 09:22:01,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 271 states have (on average 1.4464944649446494) internal successors, (392), 364 states have internal predecessors, (392), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-02-08 09:22:01,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 434 transitions. [2025-02-08 09:22:01,819 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 434 transitions. Word has length 119 [2025-02-08 09:22:01,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:01,820 INFO L471 AbstractCegarLoop]: Abstraction has 387 states and 434 transitions. [2025-02-08 09:22:01,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:22:01,820 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 434 transitions. [2025-02-08 09:22:01,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-02-08 09:22:01,820 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:01,821 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1] [2025-02-08 09:22:01,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:22:02,021 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 [2025-02-08 09:22:02,022 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:02,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:02,022 INFO L85 PathProgramCache]: Analyzing trace with hash -498948261, now seen corresponding path program 1 times [2025-02-08 09:22:02,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:02,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329785712] [2025-02-08 09:22:02,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:02,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:02,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:22:02,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:22:02,039 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:02,039 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:02,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1959509625] [2025-02-08 09:22:02,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:02,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:02,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:02,043 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:02,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:22:02,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-02-08 09:22:02,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-02-08 09:22:02,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:02,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:02,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:22:02,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:02,290 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:22:02,291 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:02,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:02,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329785712] [2025-02-08 09:22:02,586 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:02,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959509625] [2025-02-08 09:22:02,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959509625] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:02,587 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:02,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:22:02,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212090744] [2025-02-08 09:22:02,587 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:02,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:22:02,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:02,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:22:02,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:22:02,589 INFO L87 Difference]: Start difference. First operand 387 states and 434 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:22:02,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:02,993 INFO L93 Difference]: Finished difference Result 513 states and 593 transitions. [2025-02-08 09:22:02,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:22:02,993 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 120 [2025-02-08 09:22:02,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:02,995 INFO L225 Difference]: With dead ends: 513 [2025-02-08 09:22:02,995 INFO L226 Difference]: Without dead ends: 490 [2025-02-08 09:22:02,995 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:22:02,995 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 131 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:02,996 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 361 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 655 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:22:02,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2025-02-08 09:22:03,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 472. [2025-02-08 09:22:03,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 351 states have (on average 1.4558404558404558) internal successors, (511), 444 states have internal predecessors, (511), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-08 09:22:03,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 563 transitions. [2025-02-08 09:22:03,006 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 563 transitions. Word has length 120 [2025-02-08 09:22:03,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:03,006 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 563 transitions. [2025-02-08 09:22:03,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-08 09:22:03,006 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 563 transitions. [2025-02-08 09:22:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-02-08 09:22:03,007 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:03,007 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1] [2025-02-08 09:22:03,017 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-02-08 09:22:03,207 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 [2025-02-08 09:22:03,208 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:03,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:03,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1712473308, now seen corresponding path program 1 times [2025-02-08 09:22:03,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:03,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741051104] [2025-02-08 09:22:03,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:03,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:03,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:22:03,223 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:22:03,224 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:03,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:03,297 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:22:03,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:03,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741051104] [2025-02-08 09:22:03,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741051104] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:03,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598443764] [2025-02-08 09:22:03,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:03,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:03,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:03,303 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:03,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:22:03,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-02-08 09:22:03,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-02-08 09:22:03,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:03,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:03,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:22:03,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:22:03,571 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:22:03,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598443764] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:03,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:22:03,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-02-08 09:22:03,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371941556] [2025-02-08 09:22:03,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:03,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:22:03,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:03,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:22:03,705 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:22:03,705 INFO L87 Difference]: Start difference. First operand 472 states and 563 transitions. Second operand has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-08 09:22:08,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2025-02-08 09:22:08,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:08,294 INFO L93 Difference]: Finished difference Result 497 states and 570 transitions. [2025-02-08 09:22:08,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:22:08,294 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 121 [2025-02-08 09:22:08,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:08,296 INFO L225 Difference]: With dead ends: 497 [2025-02-08 09:22:08,296 INFO L226 Difference]: Without dead ends: 492 [2025-02-08 09:22:08,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:22:08,297 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 336 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 837 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 837 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:08,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 678 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 837 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2025-02-08 09:22:08,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2025-02-08 09:22:08,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 468. [2025-02-08 09:22:08,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 351 states have (on average 1.4301994301994303) internal successors, (502), 440 states have internal predecessors, (502), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-08 09:22:08,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 554 transitions. [2025-02-08 09:22:08,312 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 554 transitions. Word has length 121 [2025-02-08 09:22:08,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:08,312 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 554 transitions. [2025-02-08 09:22:08,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.142857142857142) internal successors, (218), 8 states have internal predecessors, (218), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-08 09:22:08,313 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 554 transitions. [2025-02-08 09:22:08,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-02-08 09:22:08,313 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:08,313 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2025-02-08 09:22:08,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 09:22:08,517 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 [2025-02-08 09:22:08,518 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:08,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:08,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1547065209, now seen corresponding path program 1 times [2025-02-08 09:22:08,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:08,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360044007] [2025-02-08 09:22:08,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:08,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:08,535 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-08 09:22:08,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-08 09:22:08,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:08,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:08,613 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:22:08,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:08,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360044007] [2025-02-08 09:22:08,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360044007] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:08,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740202597] [2025-02-08 09:22:08,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:08,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:08,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:08,619 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:08,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:22:08,643 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-02-08 09:22:08,659 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-02-08 09:22:08,659 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:08,659 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:08,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:22:08,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:08,816 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:22:08,816 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:08,947 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:22:08,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740202597] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:08,947 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:22:08,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-02-08 09:22:08,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91048246] [2025-02-08 09:22:08,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:08,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:22:08,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:08,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:22:08,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:22:08,950 INFO L87 Difference]: Start difference. First operand 468 states and 554 transitions. Second operand has 8 states, 7 states have (on average 31.428571428571427) internal successors, (220), 8 states have internal predecessors, (220), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-08 09:22:09,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:09,395 INFO L93 Difference]: Finished difference Result 493 states and 561 transitions. [2025-02-08 09:22:09,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:22:09,395 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 31.428571428571427) internal successors, (220), 8 states have internal predecessors, (220), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 122 [2025-02-08 09:22:09,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:09,397 INFO L225 Difference]: With dead ends: 493 [2025-02-08 09:22:09,397 INFO L226 Difference]: Without dead ends: 488 [2025-02-08 09:22:09,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:22:09,398 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 334 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 574 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:09,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 493 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 574 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:22:09,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2025-02-08 09:22:09,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 464. [2025-02-08 09:22:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 351 states have (on average 1.4045584045584045) internal successors, (493), 436 states have internal predecessors, (493), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-08 09:22:09,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 545 transitions. [2025-02-08 09:22:09,408 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 545 transitions. Word has length 122 [2025-02-08 09:22:09,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:09,408 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 545 transitions. [2025-02-08 09:22:09,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 31.428571428571427) internal successors, (220), 8 states have internal predecessors, (220), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-02-08 09:22:09,408 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 545 transitions. [2025-02-08 09:22:09,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2025-02-08 09:22:09,409 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:09,409 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:22:09,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 09:22:09,609 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 [2025-02-08 09:22:09,610 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:09,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:09,611 INFO L85 PathProgramCache]: Analyzing trace with hash 714381434, now seen corresponding path program 1 times [2025-02-08 09:22:09,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:09,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444142653] [2025-02-08 09:22:09,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:09,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:09,616 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-08 09:22:09,626 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-08 09:22:09,628 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:09,628 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:09,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2016843800] [2025-02-08 09:22:09,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:09,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:09,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:09,635 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:09,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:22:09,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 123 statements into 1 equivalence classes. [2025-02-08 09:22:09,679 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 123 of 123 statements. [2025-02-08 09:22:09,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:09,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:09,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-08 09:22:09,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:22:10,010 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:10,210 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-08 09:22:10,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:10,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444142653] [2025-02-08 09:22:10,210 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:10,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016843800] [2025-02-08 09:22:10,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2016843800] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:10,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:22:10,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:22:10,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868162954] [2025-02-08 09:22:10,211 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:10,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:22:10,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:10,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:22:10,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:22:10,211 INFO L87 Difference]: Start difference. First operand 464 states and 545 transitions. Second operand has 10 states, 9 states have (on average 18.555555555555557) internal successors, (167), 10 states have internal predecessors, (167), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:22:11,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:11,678 INFO L93 Difference]: Finished difference Result 512 states and 552 transitions. [2025-02-08 09:22:11,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:22:11,680 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.555555555555557) internal successors, (167), 10 states have internal predecessors, (167), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 123 [2025-02-08 09:22:11,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:11,682 INFO L225 Difference]: With dead ends: 512 [2025-02-08 09:22:11,682 INFO L226 Difference]: Without dead ends: 417 [2025-02-08 09:22:11,685 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:22:11,686 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 662 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 669 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:11,686 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [669 Valid, 425 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-02-08 09:22:11,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2025-02-08 09:22:11,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 411. [2025-02-08 09:22:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 303 states have (on average 1.33993399339934) internal successors, (406), 386 states have internal predecessors, (406), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:22:11,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 452 transitions. [2025-02-08 09:22:11,697 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 452 transitions. Word has length 123 [2025-02-08 09:22:11,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:11,698 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 452 transitions. [2025-02-08 09:22:11,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.555555555555557) internal successors, (167), 10 states have internal predecessors, (167), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:22:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 452 transitions. [2025-02-08 09:22:11,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2025-02-08 09:22:11,699 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:11,699 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-08 09:22:11,708 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-02-08 09:22:11,900 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 [2025-02-08 09:22:11,900 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:11,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:11,901 INFO L85 PathProgramCache]: Analyzing trace with hash 84459973, now seen corresponding path program 1 times [2025-02-08 09:22:11,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:11,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394801993] [2025-02-08 09:22:11,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:11,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:11,910 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-02-08 09:22:11,917 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-02-08 09:22:11,917 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:11,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:11,948 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2025-02-08 09:22:11,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:11,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394801993] [2025-02-08 09:22:11,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394801993] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:22:11,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:22:11,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:22:11,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586064726] [2025-02-08 09:22:11,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:22:11,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:22:11,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:11,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:22:11,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:22:11,950 INFO L87 Difference]: Start difference. First operand 411 states and 452 transitions. Second operand has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:22:12,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:12,137 INFO L93 Difference]: Finished difference Result 411 states and 452 transitions. [2025-02-08 09:22:12,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:22:12,137 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 165 [2025-02-08 09:22:12,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:12,138 INFO L225 Difference]: With dead ends: 411 [2025-02-08 09:22:12,139 INFO L226 Difference]: Without dead ends: 408 [2025-02-08 09:22:12,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:22:12,139 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 127 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:12,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 155 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:22:12,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2025-02-08 09:22:12,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2025-02-08 09:22:12,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 303 states have (on average 1.3267326732673268) internal successors, (402), 383 states have internal predecessors, (402), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:22:12,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 448 transitions. [2025-02-08 09:22:12,148 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 448 transitions. Word has length 165 [2025-02-08 09:22:12,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:12,148 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 448 transitions. [2025-02-08 09:22:12,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 44.0) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-08 09:22:12,149 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 448 transitions. [2025-02-08 09:22:12,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-02-08 09:22:12,149 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:12,150 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:12,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-02-08 09:22:12,150 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:12,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:12,151 INFO L85 PathProgramCache]: Analyzing trace with hash 699747834, now seen corresponding path program 1 times [2025-02-08 09:22:12,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:12,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279850910] [2025-02-08 09:22:12,151 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:12,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:12,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 09:22:12,163 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 09:22:12,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:12,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:12,222 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:22:12,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:12,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279850910] [2025-02-08 09:22:12,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279850910] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:12,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436855949] [2025-02-08 09:22:12,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:12,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:12,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:12,225 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:12,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-08 09:22:12,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-02-08 09:22:12,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-02-08 09:22:12,272 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:12,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:12,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:22:12,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:22:12,382 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:12,524 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:22:12,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436855949] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:12,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:22:12,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-02-08 09:22:12,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854911953] [2025-02-08 09:22:12,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:12,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:22:12,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:12,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:22:12,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:22:12,525 INFO L87 Difference]: Start difference. First operand 408 states and 448 transitions. Second operand has 9 states, 8 states have (on average 34.75) internal successors, (278), 9 states have internal predecessors, (278), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-02-08 09:22:12,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:12,790 INFO L93 Difference]: Finished difference Result 431 states and 457 transitions. [2025-02-08 09:22:12,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:22:12,790 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 34.75) internal successors, (278), 9 states have internal predecessors, (278), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 168 [2025-02-08 09:22:12,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:12,791 INFO L225 Difference]: With dead ends: 431 [2025-02-08 09:22:12,791 INFO L226 Difference]: Without dead ends: 429 [2025-02-08 09:22:12,792 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:22:12,792 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 648 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 648 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:12,792 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [648 Valid, 584 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:22:12,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2025-02-08 09:22:12,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 406. [2025-02-08 09:22:12,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 303 states have (on average 1.3135313531353134) internal successors, (398), 381 states have internal predecessors, (398), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:22:12,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 444 transitions. [2025-02-08 09:22:12,802 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 444 transitions. Word has length 168 [2025-02-08 09:22:12,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:12,802 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 444 transitions. [2025-02-08 09:22:12,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 34.75) internal successors, (278), 9 states have internal predecessors, (278), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-02-08 09:22:12,802 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 444 transitions. [2025-02-08 09:22:12,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-02-08 09:22:12,803 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:12,804 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:12,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-02-08 09:22:13,008 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,SelfDestructingSolverStorable23 [2025-02-08 09:22:13,008 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:13,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:13,009 INFO L85 PathProgramCache]: Analyzing trace with hash 217346504, now seen corresponding path program 1 times [2025-02-08 09:22:13,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:13,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517858779] [2025-02-08 09:22:13,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:13,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:13,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-08 09:22:13,027 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-08 09:22:13,027 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:13,027 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:13,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1386381541] [2025-02-08 09:22:13,028 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:13,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:13,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:13,030 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:13,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-08 09:22:13,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-02-08 09:22:13,077 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-02-08 09:22:13,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:13,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:13,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:22:13,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:13,390 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:22:13,390 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:18,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:18,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517858779] [2025-02-08 09:22:18,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:18,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386381541] [2025-02-08 09:22:18,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386381541] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:18,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:18,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:22:18,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455143197] [2025-02-08 09:22:18,040 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:18,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:22:18,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:18,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:22:18,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=38, Unknown=1, NotChecked=0, Total=56 [2025-02-08 09:22:18,041 INFO L87 Difference]: Start difference. First operand 406 states and 444 transitions. Second operand has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-08 09:22:18,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:18,546 INFO L93 Difference]: Finished difference Result 407 states and 444 transitions. [2025-02-08 09:22:18,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:22:18,546 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 169 [2025-02-08 09:22:18,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:18,548 INFO L225 Difference]: With dead ends: 407 [2025-02-08 09:22:18,548 INFO L226 Difference]: Without dead ends: 406 [2025-02-08 09:22:18,548 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=33, Invalid=56, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:22:18,548 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 34 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:18,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 435 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:22:18,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2025-02-08 09:22:18,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2025-02-08 09:22:18,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 303 states have (on average 1.3102310231023102) internal successors, (397), 381 states have internal predecessors, (397), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:22:18,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 443 transitions. [2025-02-08 09:22:18,585 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 443 transitions. Word has length 169 [2025-02-08 09:22:18,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:18,586 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 443 transitions. [2025-02-08 09:22:18,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 29.25) internal successors, (117), 5 states have internal predecessors, (117), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-02-08 09:22:18,586 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 443 transitions. [2025-02-08 09:22:18,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-02-08 09:22:18,589 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:18,589 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:18,595 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-08 09:22:18,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:18,790 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:18,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:18,791 INFO L85 PathProgramCache]: Analyzing trace with hash -1852192840, now seen corresponding path program 1 times [2025-02-08 09:22:18,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:18,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681461046] [2025-02-08 09:22:18,791 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:18,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:18,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-08 09:22:18,815 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-08 09:22:18,815 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:18,815 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:18,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1715739431] [2025-02-08 09:22:18,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:18,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:18,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:18,818 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:18,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-08 09:22:18,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-02-08 09:22:18,867 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-02-08 09:22:18,867 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:18,867 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:18,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:22:18,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:22:19,185 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:19,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:19,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681461046] [2025-02-08 09:22:19,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:19,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1715739431] [2025-02-08 09:22:19,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1715739431] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:19,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:19,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:22:19,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346999631] [2025-02-08 09:22:19,304 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:19,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:22:19,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:19,305 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:22:19,305 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:22:19,306 INFO L87 Difference]: Start difference. First operand 406 states and 443 transitions. Second operand has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-08 09:22:19,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:19,791 INFO L93 Difference]: Finished difference Result 417 states and 443 transitions. [2025-02-08 09:22:19,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:22:19,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 170 [2025-02-08 09:22:19,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:19,792 INFO L225 Difference]: With dead ends: 417 [2025-02-08 09:22:19,793 INFO L226 Difference]: Without dead ends: 416 [2025-02-08 09:22:19,793 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:22:19,793 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 69 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:19,793 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 521 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:22:19,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2025-02-08 09:22:19,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 406. [2025-02-08 09:22:19,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 303 states have (on average 1.306930693069307) internal successors, (396), 381 states have internal predecessors, (396), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:22:19,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 442 transitions. [2025-02-08 09:22:19,802 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 442 transitions. Word has length 170 [2025-02-08 09:22:19,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:19,802 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 442 transitions. [2025-02-08 09:22:19,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.6) internal successors, (118), 6 states have internal predecessors, (118), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-08 09:22:19,802 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 442 transitions. [2025-02-08 09:22:19,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2025-02-08 09:22:19,803 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:19,803 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:22:19,809 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-02-08 09:22:20,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:20,004 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:20,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:20,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1231919676, now seen corresponding path program 1 times [2025-02-08 09:22:20,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:20,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940366326] [2025-02-08 09:22:20,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:20,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:20,010 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 09:22:20,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 09:22:20,024 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:20,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:20,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [156290708] [2025-02-08 09:22:20,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:20,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:20,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:20,030 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:20,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-08 09:22:20,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 173 statements into 1 equivalence classes. [2025-02-08 09:22:20,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 173 of 173 statements. [2025-02-08 09:22:20,082 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:20,082 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:20,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:22:20,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:21,172 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:22:21,172 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-08 09:22:21,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:21,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940366326] [2025-02-08 09:22:21,654 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:21,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156290708] [2025-02-08 09:22:21,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156290708] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:21,655 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:22:21,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-02-08 09:22:21,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338806188] [2025-02-08 09:22:21,655 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:21,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:22:21,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:21,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:22:21,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:22:21,656 INFO L87 Difference]: Start difference. First operand 406 states and 442 transitions. Second operand has 11 states, 10 states have (on average 23.9) internal successors, (239), 11 states have internal predecessors, (239), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-02-08 09:22:25,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:22:25,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:25,794 INFO L93 Difference]: Finished difference Result 414 states and 442 transitions. [2025-02-08 09:22:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-02-08 09:22:25,795 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 23.9) internal successors, (239), 11 states have internal predecessors, (239), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 173 [2025-02-08 09:22:25,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:25,796 INFO L225 Difference]: With dead ends: 414 [2025-02-08 09:22:25,796 INFO L226 Difference]: Without dead ends: 406 [2025-02-08 09:22:25,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:22:25,797 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 476 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 1492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:25,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 292 Invalid, 1492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1460 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2025-02-08 09:22:25,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2025-02-08 09:22:25,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2025-02-08 09:22:25,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 303 states have (on average 1.2805280528052805) internal successors, (388), 381 states have internal predecessors, (388), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-02-08 09:22:25,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 434 transitions. [2025-02-08 09:22:25,823 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 434 transitions. Word has length 173 [2025-02-08 09:22:25,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:25,823 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 434 transitions. [2025-02-08 09:22:25,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 23.9) internal successors, (239), 11 states have internal predecessors, (239), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-02-08 09:22:25,823 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 434 transitions. [2025-02-08 09:22:25,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2025-02-08 09:22:25,824 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:25,824 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1] [2025-02-08 09:22:25,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-02-08 09:22:26,024 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,SelfDestructingSolverStorable26 [2025-02-08 09:22:26,025 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:26,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:26,026 INFO L85 PathProgramCache]: Analyzing trace with hash 1422374485, now seen corresponding path program 1 times [2025-02-08 09:22:26,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:26,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037265209] [2025-02-08 09:22:26,026 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:26,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:26,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-08 09:22:26,050 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-08 09:22:26,050 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:26,050 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:26,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [544441635] [2025-02-08 09:22:26,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:26,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:26,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:26,054 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:26,055 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-08 09:22:26,083 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 192 statements into 1 equivalence classes. [2025-02-08 09:22:26,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 192 of 192 statements. [2025-02-08 09:22:26,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:26,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:26,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-02-08 09:22:26,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:26,738 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:22:26,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:27,134 INFO L134 CoverageAnalysis]: Checked inductivity of 317 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:22:27,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:27,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037265209] [2025-02-08 09:22:27,134 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:27,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544441635] [2025-02-08 09:22:27,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544441635] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:27,134 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:22:27,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-02-08 09:22:27,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138545242] [2025-02-08 09:22:27,134 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:27,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:22:27,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:27,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:22:27,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:22:27,136 INFO L87 Difference]: Start difference. First operand 406 states and 434 transitions. Second operand has 14 states, 13 states have (on average 20.384615384615383) internal successors, (265), 14 states have internal predecessors, (265), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2025-02-08 09:22:28,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:28,403 INFO L93 Difference]: Finished difference Result 480 states and 543 transitions. [2025-02-08 09:22:28,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:22:28,404 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 20.384615384615383) internal successors, (265), 14 states have internal predecessors, (265), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 192 [2025-02-08 09:22:28,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:28,405 INFO L225 Difference]: With dead ends: 480 [2025-02-08 09:22:28,405 INFO L226 Difference]: Without dead ends: 440 [2025-02-08 09:22:28,406 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2025-02-08 09:22:28,406 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 172 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 1752 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 1772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:28,406 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 268 Invalid, 1772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1752 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-02-08 09:22:28,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-02-08 09:22:28,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 438. [2025-02-08 09:22:28,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 331 states have (on average 1.3474320241691844) internal successors, (446), 409 states have internal predecessors, (446), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-08 09:22:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 500 transitions. [2025-02-08 09:22:28,418 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 500 transitions. Word has length 192 [2025-02-08 09:22:28,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:28,418 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 500 transitions. [2025-02-08 09:22:28,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 20.384615384615383) internal successors, (265), 14 states have internal predecessors, (265), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2025-02-08 09:22:28,419 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 500 transitions. [2025-02-08 09:22:28,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2025-02-08 09:22:28,431 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:28,431 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:22:28,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-02-08 09:22:28,631 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 [2025-02-08 09:22:28,631 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:28,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:28,632 INFO L85 PathProgramCache]: Analyzing trace with hash -402616835, now seen corresponding path program 1 times [2025-02-08 09:22:28,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:28,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793796926] [2025-02-08 09:22:28,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:28,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:28,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-08 09:22:28,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-08 09:22:28,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:28,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:28,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [485431990] [2025-02-08 09:22:28,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:28,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:28,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:28,659 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:28,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-08 09:22:28,689 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 194 statements into 1 equivalence classes. [2025-02-08 09:22:28,714 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 194 of 194 statements. [2025-02-08 09:22:28,715 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:28,715 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:28,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:22:28,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:28,939 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-08 09:22:28,939 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:29,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:29,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793796926] [2025-02-08 09:22:29,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:29,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485431990] [2025-02-08 09:22:29,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485431990] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:29,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:29,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:22:29,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167744765] [2025-02-08 09:22:29,024 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:29,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:22:29,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:29,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:22:29,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:22:29,025 INFO L87 Difference]: Start difference. First operand 438 states and 500 transitions. Second operand has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:22:29,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:29,137 INFO L93 Difference]: Finished difference Result 576 states and 605 transitions. [2025-02-08 09:22:29,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:22:29,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 194 [2025-02-08 09:22:29,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:29,139 INFO L225 Difference]: With dead ends: 576 [2025-02-08 09:22:29,139 INFO L226 Difference]: Without dead ends: 575 [2025-02-08 09:22:29,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:22:29,140 INFO L435 NwaCegarLoop]: 219 mSDtfsCounter, 188 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:29,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 674 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:22:29,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2025-02-08 09:22:29,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 438. [2025-02-08 09:22:29,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 331 states have (on average 1.3444108761329305) internal successors, (445), 409 states have internal predecessors, (445), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-02-08 09:22:29,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 499 transitions. [2025-02-08 09:22:29,153 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 499 transitions. Word has length 194 [2025-02-08 09:22:29,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:29,154 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 499 transitions. [2025-02-08 09:22:29,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.25) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-08 09:22:29,154 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 499 transitions. [2025-02-08 09:22:29,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2025-02-08 09:22:29,154 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:29,155 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:22:29,164 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-02-08 09:22:29,355 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 [2025-02-08 09:22:29,357 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:29,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:29,357 INFO L85 PathProgramCache]: Analyzing trace with hash -274471919, now seen corresponding path program 2 times [2025-02-08 09:22:29,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:29,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478355687] [2025-02-08 09:22:29,357 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:29,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:29,364 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-02-08 09:22:29,381 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-02-08 09:22:29,381 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:29,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:29,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1326062455] [2025-02-08 09:22:29,382 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:29,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:29,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:29,385 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:29,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-08 09:22:29,411 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 201 statements into 2 equivalence classes. [2025-02-08 09:22:29,439 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 201 of 201 statements. [2025-02-08 09:22:29,439 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:29,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:29,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:22:29,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 109 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:22:29,739 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:33,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:33,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478355687] [2025-02-08 09:22:33,974 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:33,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326062455] [2025-02-08 09:22:33,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326062455] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:33,974 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:33,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:22:33,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475324293] [2025-02-08 09:22:33,974 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:33,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:22:33,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:33,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:22:33,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=55, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:22:33,975 INFO L87 Difference]: Start difference. First operand 438 states and 499 transitions. Second operand has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-08 09:22:34,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:34,488 INFO L93 Difference]: Finished difference Result 532 states and 611 transitions. [2025-02-08 09:22:34,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:22:34,488 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 201 [2025-02-08 09:22:34,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:34,490 INFO L225 Difference]: With dead ends: 532 [2025-02-08 09:22:34,490 INFO L226 Difference]: Without dead ends: 510 [2025-02-08 09:22:34,490 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=34, Invalid=55, Unknown=1, NotChecked=0, Total=90 [2025-02-08 09:22:34,490 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 121 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 462 SdHoareTripleChecker+Invalid, 882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:34,490 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 462 Invalid, 882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:22:34,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2025-02-08 09:22:34,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 498. [2025-02-08 09:22:34,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 498 states, 388 states have (on average 1.3298969072164948) internal successors, (516), 466 states have internal predecessors, (516), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 09:22:34,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 576 transitions. [2025-02-08 09:22:34,506 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 576 transitions. Word has length 201 [2025-02-08 09:22:34,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:34,506 INFO L471 AbstractCegarLoop]: Abstraction has 498 states and 576 transitions. [2025-02-08 09:22:34,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-02-08 09:22:34,506 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 576 transitions. [2025-02-08 09:22:34,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-02-08 09:22:34,507 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:34,507 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:22:34,513 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-02-08 09:22:34,707 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 [2025-02-08 09:22:34,707 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:34,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:34,708 INFO L85 PathProgramCache]: Analyzing trace with hash 81305318, now seen corresponding path program 2 times [2025-02-08 09:22:34,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:34,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284350699] [2025-02-08 09:22:34,709 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:34,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:34,714 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-02-08 09:22:34,721 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 09:22:34,721 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:34,721 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:34,837 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:22:34,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:34,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284350699] [2025-02-08 09:22:34,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284350699] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:34,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228210963] [2025-02-08 09:22:34,838 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:34,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:34,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:34,843 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:34,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-08 09:22:34,871 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 202 statements into 2 equivalence classes. [2025-02-08 09:22:34,896 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 202 of 202 statements. [2025-02-08 09:22:34,897 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:34,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:34,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:22:34,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:35,257 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:22:35,258 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:35,462 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 0 proven. 111 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:22:35,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228210963] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:35,463 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:22:35,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 09:22:35,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018606639] [2025-02-08 09:22:35,463 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:35,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:22:35,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:35,464 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:22:35,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:22:35,464 INFO L87 Difference]: Start difference. First operand 498 states and 576 transitions. Second operand has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-08 09:22:36,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:36,560 INFO L93 Difference]: Finished difference Result 498 states and 576 transitions. [2025-02-08 09:22:36,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 09:22:36,560 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 202 [2025-02-08 09:22:36,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:36,562 INFO L225 Difference]: With dead ends: 498 [2025-02-08 09:22:36,562 INFO L226 Difference]: Without dead ends: 494 [2025-02-08 09:22:36,562 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:22:36,562 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 339 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 1428 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 1452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:36,562 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 612 Invalid, 1452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1428 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-08 09:22:36,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2025-02-08 09:22:36,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 494. [2025-02-08 09:22:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 388 states have (on average 1.309278350515464) internal successors, (508), 462 states have internal predecessors, (508), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-02-08 09:22:36,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 568 transitions. [2025-02-08 09:22:36,575 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 568 transitions. Word has length 202 [2025-02-08 09:22:36,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:36,576 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 568 transitions. [2025-02-08 09:22:36,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.0) internal successors, (384), 13 states have internal predecessors, (384), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-08 09:22:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 568 transitions. [2025-02-08 09:22:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2025-02-08 09:22:36,576 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:36,576 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:22:36,583 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-08 09:22:36,777 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 [2025-02-08 09:22:36,777 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:36,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:36,778 INFO L85 PathProgramCache]: Analyzing trace with hash -1774502225, now seen corresponding path program 2 times [2025-02-08 09:22:36,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:36,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756199757] [2025-02-08 09:22:36,778 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:36,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:36,784 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-02-08 09:22:36,791 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-02-08 09:22:36,791 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:36,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:36,891 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:22:36,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:36,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756199757] [2025-02-08 09:22:36,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756199757] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:36,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332884880] [2025-02-08 09:22:36,892 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:36,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:36,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:36,894 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:36,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-08 09:22:36,921 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 203 statements into 2 equivalence classes. [2025-02-08 09:22:36,946 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 203 of 203 statements. [2025-02-08 09:22:36,946 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:36,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:36,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:22:36,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:37,281 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:22:37,281 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:37,505 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 0 proven. 113 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:22:37,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332884880] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:37,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:22:37,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-02-08 09:22:37,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246678060] [2025-02-08 09:22:37,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:37,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-08 09:22:37,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:37,507 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-08 09:22:37,507 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:22:37,507 INFO L87 Difference]: Start difference. First operand 494 states and 568 transitions. Second operand has 13 states, 12 states have (on average 32.166666666666664) internal successors, (386), 13 states have internal predecessors, (386), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-08 09:22:38,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:38,276 INFO L93 Difference]: Finished difference Result 551 states and 616 transitions. [2025-02-08 09:22:38,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:22:38,276 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 32.166666666666664) internal successors, (386), 13 states have internal predecessors, (386), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 203 [2025-02-08 09:22:38,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:38,278 INFO L225 Difference]: With dead ends: 551 [2025-02-08 09:22:38,278 INFO L226 Difference]: Without dead ends: 549 [2025-02-08 09:22:38,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2025-02-08 09:22:38,278 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 387 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 1217 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:38,279 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 603 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1217 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-02-08 09:22:38,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2025-02-08 09:22:38,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 522. [2025-02-08 09:22:38,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 413 states have (on average 1.2929782082324455) internal successors, (534), 487 states have internal predecessors, (534), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:22:38,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 600 transitions. [2025-02-08 09:22:38,300 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 600 transitions. Word has length 203 [2025-02-08 09:22:38,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:38,301 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 600 transitions. [2025-02-08 09:22:38,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 32.166666666666664) internal successors, (386), 13 states have internal predecessors, (386), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-02-08 09:22:38,301 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 600 transitions. [2025-02-08 09:22:38,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-02-08 09:22:38,302 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:38,302 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:22:38,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-08 09:22:38,503 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 [2025-02-08 09:22:38,503 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:38,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:38,504 INFO L85 PathProgramCache]: Analyzing trace with hash -194614963, now seen corresponding path program 1 times [2025-02-08 09:22:38,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:38,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917483086] [2025-02-08 09:22:38,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:38,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:38,509 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-02-08 09:22:38,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-02-08 09:22:38,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:38,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:22:38,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:38,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917483086] [2025-02-08 09:22:38,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917483086] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:38,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419743508] [2025-02-08 09:22:38,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:38,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:38,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:38,636 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:38,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-08 09:22:38,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-02-08 09:22:38,688 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-02-08 09:22:38,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:38,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:38,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:22:38,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:39,120 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:22:39,120 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:39,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419743508] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:39,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:22:39,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-02-08 09:22:39,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524953302] [2025-02-08 09:22:39,182 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:39,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:22:39,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:39,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:22:39,183 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:22:39,183 INFO L87 Difference]: Start difference. First operand 522 states and 600 transitions. Second operand has 11 states, 10 states have (on average 25.7) internal successors, (257), 11 states have internal predecessors, (257), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-02-08 09:22:41,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:41,340 INFO L93 Difference]: Finished difference Result 522 states and 600 transitions. [2025-02-08 09:22:41,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:22:41,340 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.7) internal successors, (257), 11 states have internal predecessors, (257), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 205 [2025-02-08 09:22:41,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:41,342 INFO L225 Difference]: With dead ends: 522 [2025-02-08 09:22:41,342 INFO L226 Difference]: Without dead ends: 510 [2025-02-08 09:22:41,342 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2025-02-08 09:22:41,343 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 467 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1420 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 674 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 1420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:41,343 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 674 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 1420 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2025-02-08 09:22:41,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2025-02-08 09:22:41,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2025-02-08 09:22:41,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 413 states have (on average 1.2566585956416465) internal successors, (519), 475 states have internal predecessors, (519), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:22:41,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 585 transitions. [2025-02-08 09:22:41,358 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 585 transitions. Word has length 205 [2025-02-08 09:22:41,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:41,358 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 585 transitions. [2025-02-08 09:22:41,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.7) internal successors, (257), 11 states have internal predecessors, (257), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-02-08 09:22:41,358 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 585 transitions. [2025-02-08 09:22:41,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2025-02-08 09:22:41,359 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:41,359 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:22:41,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-02-08 09:22:41,560 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 [2025-02-08 09:22:41,560 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:41,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:41,561 INFO L85 PathProgramCache]: Analyzing trace with hash 431692352, now seen corresponding path program 1 times [2025-02-08 09:22:41,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:41,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519878341] [2025-02-08 09:22:41,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:41,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:41,567 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-02-08 09:22:41,580 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-02-08 09:22:41,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:41,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:41,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831589357] [2025-02-08 09:22:41,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:41,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:41,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:41,585 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:41,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-08 09:22:41,612 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 208 statements into 1 equivalence classes. [2025-02-08 09:22:41,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 208 of 208 statements. [2025-02-08 09:22:41,638 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:41,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:41,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-02-08 09:22:41,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:22:42,178 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:42,531 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-08 09:22:42,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:42,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519878341] [2025-02-08 09:22:42,531 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:42,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831589357] [2025-02-08 09:22:42,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831589357] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:42,532 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:22:42,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-08 09:22:42,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220638891] [2025-02-08 09:22:42,532 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:42,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:22:42,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:42,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:22:42,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:22:42,533 INFO L87 Difference]: Start difference. First operand 510 states and 585 transitions. Second operand has 16 states, 15 states have (on average 19.133333333333333) internal successors, (287), 16 states have internal predecessors, (287), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-02-08 09:22:45,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:45,346 INFO L93 Difference]: Finished difference Result 813 states and 990 transitions. [2025-02-08 09:22:45,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-02-08 09:22:45,346 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 19.133333333333333) internal successors, (287), 16 states have internal predecessors, (287), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 208 [2025-02-08 09:22:45,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:45,349 INFO L225 Difference]: With dead ends: 813 [2025-02-08 09:22:45,349 INFO L226 Difference]: Without dead ends: 729 [2025-02-08 09:22:45,350 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:22:45,350 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 1271 mSDsluCounter, 892 mSDsCounter, 0 mSdLazyCounter, 2666 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1285 SdHoareTripleChecker+Valid, 1016 SdHoareTripleChecker+Invalid, 2793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 2666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:45,350 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1285 Valid, 1016 Invalid, 2793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 2666 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2025-02-08 09:22:45,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2025-02-08 09:22:45,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 528. [2025-02-08 09:22:45,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 430 states have (on average 1.2325581395348837) internal successors, (530), 491 states have internal predecessors, (530), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:22:45,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 600 transitions. [2025-02-08 09:22:45,376 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 600 transitions. Word has length 208 [2025-02-08 09:22:45,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:45,376 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 600 transitions. [2025-02-08 09:22:45,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 19.133333333333333) internal successors, (287), 16 states have internal predecessors, (287), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-02-08 09:22:45,376 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 600 transitions. [2025-02-08 09:22:45,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2025-02-08 09:22:45,378 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:45,378 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:45,385 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-02-08 09:22:45,578 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 [2025-02-08 09:22:45,579 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:45,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:45,579 INFO L85 PathProgramCache]: Analyzing trace with hash 591318994, now seen corresponding path program 2 times [2025-02-08 09:22:45,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:45,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133965083] [2025-02-08 09:22:45,579 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:45,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:45,586 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 250 statements into 2 equivalence classes. [2025-02-08 09:22:45,597 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 250 of 250 statements. [2025-02-08 09:22:45,598 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:45,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:45,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [977079650] [2025-02-08 09:22:45,599 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:45,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:45,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:45,603 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:45,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-08 09:22:45,635 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 250 statements into 2 equivalence classes. [2025-02-08 09:22:45,668 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 250 of 250 statements. [2025-02-08 09:22:45,669 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:45,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:45,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-08 09:22:45,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:46,307 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:22:46,308 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:50,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:50,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133965083] [2025-02-08 09:22:50,746 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:50,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977079650] [2025-02-08 09:22:50,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977079650] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:50,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:50,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-08 09:22:50,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931463950] [2025-02-08 09:22:50,746 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:50,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:22:50,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:50,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:22:50,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:22:50,747 INFO L87 Difference]: Start difference. First operand 528 states and 600 transitions. Second operand has 9 states, 8 states have (on average 21.625) internal successors, (173), 9 states have internal predecessors, (173), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:22:51,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:51,894 INFO L93 Difference]: Finished difference Result 528 states and 600 transitions. [2025-02-08 09:22:51,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-08 09:22:51,894 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 21.625) internal successors, (173), 9 states have internal predecessors, (173), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 250 [2025-02-08 09:22:51,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:51,896 INFO L225 Difference]: With dead ends: 528 [2025-02-08 09:22:51,896 INFO L226 Difference]: Without dead ends: 525 [2025-02-08 09:22:51,896 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2025-02-08 09:22:51,897 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 468 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 1306 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 1343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 1306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:51,897 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 204 Invalid, 1343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 1306 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 09:22:51,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2025-02-08 09:22:51,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2025-02-08 09:22:51,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 430 states have (on average 1.2186046511627906) internal successors, (524), 488 states have internal predecessors, (524), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:22:51,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 594 transitions. [2025-02-08 09:22:51,915 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 594 transitions. Word has length 250 [2025-02-08 09:22:51,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:51,915 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 594 transitions. [2025-02-08 09:22:51,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 21.625) internal successors, (173), 9 states have internal predecessors, (173), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:22:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 594 transitions. [2025-02-08 09:22:51,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-02-08 09:22:51,916 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:51,916 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:51,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-08 09:22:52,116 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 [2025-02-08 09:22:52,117 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:52,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:52,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1151019758, now seen corresponding path program 2 times [2025-02-08 09:22:52,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:52,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121377491] [2025-02-08 09:22:52,117 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:52,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:52,128 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-02-08 09:22:52,145 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-02-08 09:22:52,146 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:52,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:52,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [482950895] [2025-02-08 09:22:52,147 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:52,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:52,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:52,150 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:52,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-08 09:22:52,182 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-02-08 09:22:52,217 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-02-08 09:22:52,218 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:52,218 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:52,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:22:52,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:52,513 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:22:52,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:52,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:52,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121377491] [2025-02-08 09:22:52,833 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:52,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482950895] [2025-02-08 09:22:52,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482950895] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:52,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:52,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:22:52,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293207529] [2025-02-08 09:22:52,833 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:52,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:22:52,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:52,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:22:52,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:22:52,834 INFO L87 Difference]: Start difference. First operand 525 states and 594 transitions. Second operand has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-02-08 09:22:53,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:53,264 INFO L93 Difference]: Finished difference Result 526 states and 594 transitions. [2025-02-08 09:22:53,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:22:53,264 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 251 [2025-02-08 09:22:53,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:53,266 INFO L225 Difference]: With dead ends: 526 [2025-02-08 09:22:53,266 INFO L226 Difference]: Without dead ends: 525 [2025-02-08 09:22:53,266 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:22:53,267 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 58 mSDsluCounter, 1079 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1320 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:53,267 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1320 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:22:53,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2025-02-08 09:22:53,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2025-02-08 09:22:53,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 430 states have (on average 1.216279069767442) internal successors, (523), 488 states have internal predecessors, (523), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:22:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 593 transitions. [2025-02-08 09:22:53,285 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 593 transitions. Word has length 251 [2025-02-08 09:22:53,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:53,285 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 593 transitions. [2025-02-08 09:22:53,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-02-08 09:22:53,285 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 593 transitions. [2025-02-08 09:22:53,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2025-02-08 09:22:53,286 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:53,286 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:53,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-02-08 09:22:53,486 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 [2025-02-08 09:22:53,487 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:53,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:53,488 INFO L85 PathProgramCache]: Analyzing trace with hash -989155634, now seen corresponding path program 2 times [2025-02-08 09:22:53,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:53,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102581532] [2025-02-08 09:22:53,488 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:53,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:53,494 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 254 statements into 2 equivalence classes. [2025-02-08 09:22:53,506 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 254 of 254 statements. [2025-02-08 09:22:53,506 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:53,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:53,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [413408756] [2025-02-08 09:22:53,507 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 09:22:53,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:53,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:53,508 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:53,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-08 09:22:53,541 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 254 statements into 2 equivalence classes. [2025-02-08 09:22:53,611 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 254 of 254 statements. [2025-02-08 09:22:53,611 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 09:22:53,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:53,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:22:53,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:54,210 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:22:54,210 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:54,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:54,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102581532] [2025-02-08 09:22:54,330 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:54,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413408756] [2025-02-08 09:22:54,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413408756] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:54,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:54,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-08 09:22:54,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698294980] [2025-02-08 09:22:54,330 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:54,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:22:54,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:54,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:22:54,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:22:54,331 INFO L87 Difference]: Start difference. First operand 525 states and 593 transitions. Second operand has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-08 09:22:55,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:55,584 INFO L93 Difference]: Finished difference Result 525 states and 593 transitions. [2025-02-08 09:22:55,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:22:55,585 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 254 [2025-02-08 09:22:55,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:55,587 INFO L225 Difference]: With dead ends: 525 [2025-02-08 09:22:55,587 INFO L226 Difference]: Without dead ends: 523 [2025-02-08 09:22:55,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:22:55,587 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 489 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 489 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:55,589 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [489 Valid, 152 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-02-08 09:22:55,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-02-08 09:22:55,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2025-02-08 09:22:55,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 430 states have (on average 1.2069767441860466) internal successors, (519), 486 states have internal predecessors, (519), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:22:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 589 transitions. [2025-02-08 09:22:55,623 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 589 transitions. Word has length 254 [2025-02-08 09:22:55,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:55,623 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 589 transitions. [2025-02-08 09:22:55,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-02-08 09:22:55,623 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 589 transitions. [2025-02-08 09:22:55,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2025-02-08 09:22:55,625 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:55,625 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:22:55,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-02-08 09:22:55,826 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 [2025-02-08 09:22:55,826 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:55,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:55,827 INFO L85 PathProgramCache]: Analyzing trace with hash -599053462, now seen corresponding path program 1 times [2025-02-08 09:22:55,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:55,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754686451] [2025-02-08 09:22:55,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:55,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:55,833 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 255 statements into 1 equivalence classes. [2025-02-08 09:22:55,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:22:55,849 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:55,849 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:55,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [802493965] [2025-02-08 09:22:55,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:55,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:55,850 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:55,854 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:55,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-08 09:22:55,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 255 statements into 1 equivalence classes. [2025-02-08 09:22:55,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 255 of 255 statements. [2025-02-08 09:22:55,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:55,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:55,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-08 09:22:55,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:56,664 INFO L134 CoverageAnalysis]: Checked inductivity of 647 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:22:56,665 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:56,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:56,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754686451] [2025-02-08 09:22:56,789 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:56,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802493965] [2025-02-08 09:22:56,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802493965] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:56,789 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:22:56,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-02-08 09:22:56,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327836147] [2025-02-08 09:22:56,789 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:56,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:22:56,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:56,790 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:22:56,790 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-02-08 09:22:56,790 INFO L87 Difference]: Start difference. First operand 523 states and 589 transitions. Second operand has 11 states, 10 states have (on average 17.8) internal successors, (178), 11 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:22:57,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:57,749 INFO L93 Difference]: Finished difference Result 527 states and 589 transitions. [2025-02-08 09:22:57,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-08 09:22:57,750 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.8) internal successors, (178), 11 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 255 [2025-02-08 09:22:57,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:57,751 INFO L225 Difference]: With dead ends: 527 [2025-02-08 09:22:57,751 INFO L226 Difference]: Without dead ends: 523 [2025-02-08 09:22:57,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:22:57,752 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 54 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 2703 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 2709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 2703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:57,752 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 500 Invalid, 2709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 2703 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-02-08 09:22:57,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2025-02-08 09:22:57,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2025-02-08 09:22:57,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 430 states have (on average 1.197674418604651) internal successors, (515), 486 states have internal predecessors, (515), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:22:57,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 585 transitions. [2025-02-08 09:22:57,779 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 585 transitions. Word has length 255 [2025-02-08 09:22:57,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:57,779 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 585 transitions. [2025-02-08 09:22:57,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.8) internal successors, (178), 11 states have internal predecessors, (178), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-02-08 09:22:57,780 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 585 transitions. [2025-02-08 09:22:57,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2025-02-08 09:22:57,781 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:57,781 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-02-08 09:22:57,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-02-08 09:22:57,985 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 [2025-02-08 09:22:57,985 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:57,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:57,985 INFO L85 PathProgramCache]: Analyzing trace with hash -2045920417, now seen corresponding path program 1 times [2025-02-08 09:22:57,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:57,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718709405] [2025-02-08 09:22:57,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:57,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:57,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 264 statements into 1 equivalence classes. [2025-02-08 09:22:58,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 264 of 264 statements. [2025-02-08 09:22:58,004 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:58,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:22:58,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1630739018] [2025-02-08 09:22:58,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:58,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:58,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:58,010 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:58,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-08 09:22:58,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 264 statements into 1 equivalence classes. [2025-02-08 09:22:58,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 264 of 264 statements. [2025-02-08 09:22:58,074 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:58,075 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:58,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:22:58,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:58,245 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:22:58,245 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:58,550 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-02-08 09:22:58,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:58,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718709405] [2025-02-08 09:22:58,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:22:58,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630739018] [2025-02-08 09:22:58,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630739018] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:22:58,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:22:58,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:22:58,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606124909] [2025-02-08 09:22:58,551 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:58,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:22:58,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:58,553 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:22:58,553 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:22:58,554 INFO L87 Difference]: Start difference. First operand 523 states and 585 transitions. Second operand has 10 states, 9 states have (on average 41.0) internal successors, (369), 10 states have internal predecessors, (369), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-02-08 09:22:58,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:22:58,852 INFO L93 Difference]: Finished difference Result 671 states and 716 transitions. [2025-02-08 09:22:58,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:22:58,853 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 41.0) internal successors, (369), 10 states have internal predecessors, (369), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 264 [2025-02-08 09:22:58,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:22:58,854 INFO L225 Difference]: With dead ends: 671 [2025-02-08 09:22:58,854 INFO L226 Difference]: Without dead ends: 669 [2025-02-08 09:22:58,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 518 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:22:58,856 INFO L435 NwaCegarLoop]: 360 mSDtfsCounter, 1165 mSDsluCounter, 1134 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1176 SdHoareTripleChecker+Valid, 1494 SdHoareTripleChecker+Invalid, 535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:22:58,856 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1176 Valid, 1494 Invalid, 535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:22:58,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2025-02-08 09:22:58,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 522. [2025-02-08 09:22:58,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 430 states have (on average 1.1883720930232557) internal successors, (511), 485 states have internal predecessors, (511), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:22:58,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 581 transitions. [2025-02-08 09:22:58,891 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 581 transitions. Word has length 264 [2025-02-08 09:22:58,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:22:58,891 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 581 transitions. [2025-02-08 09:22:58,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 41.0) internal successors, (369), 10 states have internal predecessors, (369), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-02-08 09:22:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 581 transitions. [2025-02-08 09:22:58,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2025-02-08 09:22:58,892 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:22:58,892 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:22:58,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-02-08 09:22:59,097 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 [2025-02-08 09:22:59,097 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:22:59,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:22:59,097 INFO L85 PathProgramCache]: Analyzing trace with hash -2103282512, now seen corresponding path program 1 times [2025-02-08 09:22:59,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:22:59,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328698530] [2025-02-08 09:22:59,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:59,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:22:59,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 274 statements into 1 equivalence classes. [2025-02-08 09:22:59,109 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 274 of 274 statements. [2025-02-08 09:22:59,110 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:59,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:22:59,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:22:59,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328698530] [2025-02-08 09:22:59,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328698530] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:59,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [298969225] [2025-02-08 09:22:59,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:22:59,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:22:59,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:22:59,272 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:22:59,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-08 09:22:59,299 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 274 statements into 1 equivalence classes. [2025-02-08 09:22:59,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 274 of 274 statements. [2025-02-08 09:22:59,332 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:22:59,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:22:59,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:22:59,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:22:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 53 proven. 114 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:22:59,916 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:22:59,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [298969225] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:22:59,966 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:22:59,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-08 09:22:59,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72989327] [2025-02-08 09:22:59,967 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:22:59,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:22:59,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:22:59,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:22:59,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:22:59,968 INFO L87 Difference]: Start difference. First operand 522 states and 581 transitions. Second operand has 16 states, 15 states have (on average 25.266666666666666) internal successors, (379), 16 states have internal predecessors, (379), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-08 09:23:01,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:01,394 INFO L93 Difference]: Finished difference Result 522 states and 581 transitions. [2025-02-08 09:23:01,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:23:01,395 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.266666666666666) internal successors, (379), 16 states have internal predecessors, (379), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 274 [2025-02-08 09:23:01,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:01,396 INFO L225 Difference]: With dead ends: 522 [2025-02-08 09:23:01,397 INFO L226 Difference]: Without dead ends: 520 [2025-02-08 09:23:01,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=156, Invalid=600, Unknown=0, NotChecked=0, Total=756 [2025-02-08 09:23:01,397 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 508 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 1962 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 2001 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:01,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 340 Invalid, 2001 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1962 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-02-08 09:23:01,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2025-02-08 09:23:01,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2025-02-08 09:23:01,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 430 states have (on average 1.1813953488372093) internal successors, (508), 483 states have internal predecessors, (508), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:23:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 578 transitions. [2025-02-08 09:23:01,416 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 578 transitions. Word has length 274 [2025-02-08 09:23:01,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:01,416 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 578 transitions. [2025-02-08 09:23:01,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.266666666666666) internal successors, (379), 16 states have internal predecessors, (379), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-08 09:23:01,416 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 578 transitions. [2025-02-08 09:23:01,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2025-02-08 09:23:01,417 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:01,417 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:23:01,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-08 09:23:01,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-08 09:23:01,618 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:23:01,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:01,619 INFO L85 PathProgramCache]: Analyzing trace with hash 388654663, now seen corresponding path program 1 times [2025-02-08 09:23:01,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:01,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600220910] [2025-02-08 09:23:01,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:01,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:01,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 277 statements into 1 equivalence classes. [2025-02-08 09:23:01,631 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 277 of 277 statements. [2025-02-08 09:23:01,631 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:01,631 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:23:01,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:01,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600220910] [2025-02-08 09:23:01,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [600220910] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:23:01,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:23:01,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-08 09:23:01,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583433039] [2025-02-08 09:23:01,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:23:01,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:23:01,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:01,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:23:01,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:23:01,716 INFO L87 Difference]: Start difference. First operand 520 states and 578 transitions. Second operand has 6 states, 5 states have (on average 39.0) internal successors, (195), 6 states have internal predecessors, (195), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-08 09:23:02,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:02,117 INFO L93 Difference]: Finished difference Result 520 states and 578 transitions. [2025-02-08 09:23:02,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:23:02,117 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 39.0) internal successors, (195), 6 states have internal predecessors, (195), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 277 [2025-02-08 09:23:02,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:02,119 INFO L225 Difference]: With dead ends: 520 [2025-02-08 09:23:02,119 INFO L226 Difference]: Without dead ends: 518 [2025-02-08 09:23:02,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:23:02,119 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 185 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:02,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 358 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:23:02,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2025-02-08 09:23:02,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2025-02-08 09:23:02,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 430 states have (on average 1.172093023255814) internal successors, (504), 481 states have internal predecessors, (504), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-02-08 09:23:02,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 574 transitions. [2025-02-08 09:23:02,139 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 574 transitions. Word has length 277 [2025-02-08 09:23:02,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:02,139 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 574 transitions. [2025-02-08 09:23:02,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 39.0) internal successors, (195), 6 states have internal predecessors, (195), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-02-08 09:23:02,140 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 574 transitions. [2025-02-08 09:23:02,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2025-02-08 09:23:02,141 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:02,141 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:23:02,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-02-08 09:23:02,141 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:23:02,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:02,142 INFO L85 PathProgramCache]: Analyzing trace with hash -836607252, now seen corresponding path program 1 times [2025-02-08 09:23:02,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:02,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414085482] [2025-02-08 09:23:02,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:02,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:02,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-02-08 09:23:02,156 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-02-08 09:23:02,156 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:02,156 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:02,335 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:23:02,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:23:02,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414085482] [2025-02-08 09:23:02,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1414085482] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:02,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248244910] [2025-02-08 09:23:02,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:23:02,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:02,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:02,340 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:02,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-08 09:23:02,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 278 statements into 1 equivalence classes. [2025-02-08 09:23:02,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 278 of 278 statements. [2025-02-08 09:23:02,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:23:02,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:02,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-08 09:23:02,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:23:02,997 INFO L134 CoverageAnalysis]: Checked inductivity of 711 backedges. 0 proven. 167 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-02-08 09:23:02,998 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:23:11,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248244910] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:23:11,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:23:11,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-02-08 09:23:11,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244523601] [2025-02-08 09:23:11,652 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:23:11,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 09:23:11,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:23:11,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 09:23:11,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=352, Unknown=1, NotChecked=0, Total=420 [2025-02-08 09:23:11,653 INFO L87 Difference]: Start difference. First operand 518 states and 574 transitions. Second operand has 16 states, 15 states have (on average 25.8) internal successors, (387), 16 states have internal predecessors, (387), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-08 09:23:13,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:23:13,681 INFO L93 Difference]: Finished difference Result 518 states and 574 transitions. [2025-02-08 09:23:13,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-02-08 09:23:13,681 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.8) internal successors, (387), 16 states have internal predecessors, (387), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 278 [2025-02-08 09:23:13,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:23:13,683 INFO L225 Difference]: With dead ends: 518 [2025-02-08 09:23:13,683 INFO L226 Difference]: Without dead ends: 482 [2025-02-08 09:23:13,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=188, Invalid=741, Unknown=1, NotChecked=0, Total=930 [2025-02-08 09:23:13,686 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 792 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 2316 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 792 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 2379 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 2316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-02-08 09:23:13,687 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [792 Valid, 388 Invalid, 2379 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 2316 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-02-08 09:23:13,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2025-02-08 09:23:13,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 482. [2025-02-08 09:23:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 398 states have (on average 1.1758793969849246) internal successors, (468), 447 states have internal predecessors, (468), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-08 09:23:13,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 534 transitions. [2025-02-08 09:23:13,705 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 534 transitions. Word has length 278 [2025-02-08 09:23:13,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:23:13,705 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 534 transitions. [2025-02-08 09:23:13,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.8) internal successors, (387), 16 states have internal predecessors, (387), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-02-08 09:23:13,705 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 534 transitions. [2025-02-08 09:23:13,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2025-02-08 09:23:13,706 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:23:13,706 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-02-08 09:23:13,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-02-08 09:23:13,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:13,907 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-02-08 09:23:13,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:23:13,907 INFO L85 PathProgramCache]: Analyzing trace with hash 2137233947, now seen corresponding path program 3 times [2025-02-08 09:23:13,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:23:13,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322481962] [2025-02-08 09:23:13,907 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:23:13,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:23:13,914 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 282 statements into 8 equivalence classes. [2025-02-08 09:23:13,938 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 282 of 282 statements. [2025-02-08 09:23:13,942 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-02-08 09:23:13,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:23:13,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1342888945] [2025-02-08 09:23:13,945 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 09:23:13,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:23:13,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:23:13,952 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:23:13,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-02-08 09:23:13,982 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 282 statements into 8 equivalence classes. [2025-02-08 09:23:14,013 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 94 of 282 statements. [2025-02-08 09:23:14,014 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-08 09:23:14,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:23:14,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-02-08 09:23:14,017 INFO L279 TraceCheckSpWp]: Computing forward predicates...