./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench/ps5-ll.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/ps5-ll.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 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:17:35,725 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:17:35,780 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:17:35,787 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:17:35,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:17:35,809 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:17:35,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:17:35,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:17:35,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:17:35,810 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:17:35,810 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:17:35,810 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:17:35,810 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:17:35,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:17:35,811 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:17:35,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:17:35,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:17:35,811 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:17:35,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:17:35,811 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:17:35,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:17:35,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:17:35,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:17:35,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:17:35,812 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:17:35,812 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:17:35,812 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:17:35,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:17:35,812 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:17:35,812 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:17:35,812 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:17:35,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:17:35,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:17:35,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:17:35,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:17:35,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:17:35,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:17:35,813 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:17:35,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:17:35,813 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:17:35,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:17:35,813 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:17:35,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:17:35,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:17:35,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:17:35,813 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 -> 1d0411df2a3b388d2db53c57aaa1f7219c19c9d74992ef1ed00eab4b9b56cbed [2025-02-08 09:17:36,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:17:36,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:17:36,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:17:36,060 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:17:36,060 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:17:36,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench/ps5-ll.c [2025-02-08 09:17:37,219 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8e5f188c3/232f4fca961b4b33b8133e18d46b6fcc/FLAG83d57e678 [2025-02-08 09:17:37,478 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:17:37,478 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench/ps5-ll.c [2025-02-08 09:17:37,486 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8e5f188c3/232f4fca961b4b33b8133e18d46b6fcc/FLAG83d57e678 [2025-02-08 09:17:37,514 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8e5f188c3/232f4fca961b4b33b8133e18d46b6fcc [2025-02-08 09:17:37,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:17:37,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:17:37,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:17:37,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:17:37,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:17:37,526 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,526 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f92a23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37, skipping insertion in model container [2025-02-08 09:17:37,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,536 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:17:37,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:17:37,672 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:17:37,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:17:37,692 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:17:37,693 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37 WrapperNode [2025-02-08 09:17:37,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:17:37,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:17:37,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:17:37,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:17:37,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,730 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 125 [2025-02-08 09:17:37,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:17:37,734 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:17:37,734 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:17:37,734 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:17:37,740 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,740 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,741 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,749 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 09:17:37,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,749 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,752 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:17:37,755 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:17:37,755 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:17:37,755 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:17:37,756 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37" (1/1) ... [2025-02-08 09:17:37,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:17:37,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:37,787 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 09:17:37,789 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 09:17:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:17:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:17:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:17:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:17:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:17:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:17:37,850 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:17:37,852 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:17:38,249 INFO L? ?]: Removed 89 outVars from TransFormulas that were not future-live. [2025-02-08 09:17:38,249 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:17:38,262 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:17:38,262 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:17:38,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:17:38 BoogieIcfgContainer [2025-02-08 09:17:38,262 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:17:38,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:17:38,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:17:38,269 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:17:38,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:17:37" (1/3) ... [2025-02-08 09:17:38,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249aadaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:17:38, skipping insertion in model container [2025-02-08 09:17:38,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:17:37" (2/3) ... [2025-02-08 09:17:38,269 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@249aadaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:17:38, skipping insertion in model container [2025-02-08 09:17:38,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:17:38" (3/3) ... [2025-02-08 09:17:38,270 INFO L128 eAbstractionObserver]: Analyzing ICFG ps5-ll.c [2025-02-08 09:17:38,282 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:17:38,283 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps5-ll.c that has 2 procedures, 183 locations, 1 initial locations, 1 loop locations, and 84 error locations. [2025-02-08 09:17:38,315 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:17:38,323 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;@590076ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:17:38,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2025-02-08 09:17:38,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 94 states have (on average 1.9361702127659575) internal successors, (182), 178 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:17:38,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:17:38,329 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:38,329 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:17:38,329 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:17:38,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:38,332 INFO L85 PathProgramCache]: Analyzing trace with hash 199387120, now seen corresponding path program 1 times [2025-02-08 09:17:38,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:38,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405065771] [2025-02-08 09:17:38,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:38,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:38,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:17:38,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:17:38,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:38,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:38,415 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 09:17:38,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:38,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405065771] [2025-02-08 09:17:38,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405065771] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:17:38,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:17:38,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:17:38,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419984832] [2025-02-08 09:17:38,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:17:38,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:17:38,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:38,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:17:38,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:17:38,436 INFO L87 Difference]: Start difference. First operand has 183 states, 94 states have (on average 1.9361702127659575) internal successors, (182), 178 states have internal predecessors, (182), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) 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 09:17:38,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:38,453 INFO L93 Difference]: Finished difference Result 351 states and 376 transitions. [2025-02-08 09:17:38,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:17:38,454 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 09:17:38,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:38,458 INFO L225 Difference]: With dead ends: 351 [2025-02-08 09:17:38,459 INFO L226 Difference]: Without dead ends: 166 [2025-02-08 09:17:38,461 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 09:17:38,462 INFO L435 NwaCegarLoop]: 172 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, 172 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 09:17:38,463 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:17:38,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2025-02-08 09:17:38,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2025-02-08 09:17:38,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 92 states have (on average 1.7717391304347827) internal successors, (163), 162 states have internal predecessors, (163), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:17:38,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 167 transitions. [2025-02-08 09:17:38,488 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 167 transitions. Word has length 5 [2025-02-08 09:17:38,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:38,488 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 167 transitions. [2025-02-08 09:17:38,489 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 09:17:38,489 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 167 transitions. [2025-02-08 09:17:38,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:17:38,489 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:38,489 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:17:38,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:17:38,489 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:17:38,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:38,490 INFO L85 PathProgramCache]: Analyzing trace with hash 199416911, now seen corresponding path program 1 times [2025-02-08 09:17:38,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:38,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331902742] [2025-02-08 09:17:38,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:38,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:38,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:17:38,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:17:38,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:38,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:38,531 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 09:17:38,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:38,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331902742] [2025-02-08 09:17:38,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331902742] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:17:38,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:17:38,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:17:38,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008144312] [2025-02-08 09:17:38,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:17:38,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:17:38,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:38,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:17:38,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:17:38,533 INFO L87 Difference]: Start difference. First operand 166 states and 167 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 09:17:38,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:38,886 INFO L93 Difference]: Finished difference Result 303 states and 314 transitions. [2025-02-08 09:17:38,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:17:38,887 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 09:17:38,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:38,888 INFO L225 Difference]: With dead ends: 303 [2025-02-08 09:17:38,888 INFO L226 Difference]: Without dead ends: 247 [2025-02-08 09:17:38,888 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 09:17:38,889 INFO L435 NwaCegarLoop]: 90 mSDtfsCounter, 82 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:38,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 113 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:17:38,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2025-02-08 09:17:38,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 241. [2025-02-08 09:17:38,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 166 states have (on average 1.5120481927710843) internal successors, (251), 236 states have internal predecessors, (251), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:17:38,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 257 transitions. [2025-02-08 09:17:38,899 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 257 transitions. Word has length 5 [2025-02-08 09:17:38,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:38,899 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 257 transitions. [2025-02-08 09:17:38,899 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 09:17:38,900 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 257 transitions. [2025-02-08 09:17:38,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-08 09:17:38,900 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:38,900 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:17:38,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:17:38,900 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:17:38,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:38,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1228037299, now seen corresponding path program 1 times [2025-02-08 09:17:38,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:38,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233105458] [2025-02-08 09:17:38,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:38,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:38,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-08 09:17:38,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-08 09:17:38,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:38,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:38,970 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 09:17:38,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:38,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233105458] [2025-02-08 09:17:38,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233105458] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:17:38,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:17:38,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:17:38,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097749693] [2025-02-08 09:17:38,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:17:38,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:17:38,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:38,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:17:38,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:17:38,971 INFO L87 Difference]: Start difference. First operand 241 states and 257 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:17:39,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:39,030 INFO L93 Difference]: Finished difference Result 260 states and 271 transitions. [2025-02-08 09:17:39,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:17:39,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2025-02-08 09:17:39,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:39,032 INFO L225 Difference]: With dead ends: 260 [2025-02-08 09:17:39,032 INFO L226 Difference]: Without dead ends: 255 [2025-02-08 09:17:39,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:17:39,032 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 58 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:39,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 282 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:17:39,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2025-02-08 09:17:39,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 248. [2025-02-08 09:17:39,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 173 states have (on average 1.4913294797687862) internal successors, (258), 243 states have internal predecessors, (258), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:17:39,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 264 transitions. [2025-02-08 09:17:39,045 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 264 transitions. Word has length 33 [2025-02-08 09:17:39,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:39,045 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 264 transitions. [2025-02-08 09:17:39,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:17:39,045 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 264 transitions. [2025-02-08 09:17:39,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-08 09:17:39,046 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:39,046 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:17:39,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:17:39,046 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:17:39,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:39,050 INFO L85 PathProgramCache]: Analyzing trace with hash -972159375, now seen corresponding path program 1 times [2025-02-08 09:17:39,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:39,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074688754] [2025-02-08 09:17:39,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:39,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:39,061 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:17:39,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:17:39,077 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:39,077 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:39,178 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 09:17:39,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:39,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074688754] [2025-02-08 09:17:39,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074688754] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:17:39,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:17:39,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:17:39,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624585433] [2025-02-08 09:17:39,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:17:39,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:17:39,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:39,180 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:17:39,180 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:17:39,180 INFO L87 Difference]: Start difference. First operand 248 states and 264 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 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 09:17:39,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:39,483 INFO L93 Difference]: Finished difference Result 259 states and 266 transitions. [2025-02-08 09:17:39,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:17:39,484 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), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2025-02-08 09:17:39,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:39,485 INFO L225 Difference]: With dead ends: 259 [2025-02-08 09:17:39,485 INFO L226 Difference]: Without dead ends: 254 [2025-02-08 09:17:39,485 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 09:17:39,486 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 81 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:39,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 234 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:17:39,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2025-02-08 09:17:39,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 248. [2025-02-08 09:17:39,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 173 states have (on average 1.4624277456647399) internal successors, (253), 243 states have internal predecessors, (253), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:17:39,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 259 transitions. [2025-02-08 09:17:39,493 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 259 transitions. Word has length 35 [2025-02-08 09:17:39,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:39,493 INFO L471 AbstractCegarLoop]: Abstraction has 248 states and 259 transitions. [2025-02-08 09:17:39,493 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), 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 09:17:39,494 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 259 transitions. [2025-02-08 09:17:39,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:17:39,494 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:39,494 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:17:39,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:17:39,494 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:17:39,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:39,495 INFO L85 PathProgramCache]: Analyzing trace with hash -72169473, now seen corresponding path program 1 times [2025-02-08 09:17:39,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:39,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689922377] [2025-02-08 09:17:39,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:39,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:39,500 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:17:39,521 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:17:39,521 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:39,521 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:39,579 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 09:17:39,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:39,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689922377] [2025-02-08 09:17:39,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689922377] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:17:39,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:17:39,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:17:39,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033357334] [2025-02-08 09:17:39,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:17:39,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:17:39,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:39,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:17:39,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:17:39,581 INFO L87 Difference]: Start difference. First operand 248 states and 259 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 09:17:39,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:39,891 INFO L93 Difference]: Finished difference Result 258 states and 261 transitions. [2025-02-08 09:17:39,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:17:39,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 36 [2025-02-08 09:17:39,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:39,892 INFO L225 Difference]: With dead ends: 258 [2025-02-08 09:17:39,892 INFO L226 Difference]: Without dead ends: 220 [2025-02-08 09:17:39,892 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 09:17:39,893 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 82 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:39,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 247 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:17:39,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2025-02-08 09:17:39,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 214. [2025-02-08 09:17:39,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 139 states have (on average 1.5467625899280575) internal successors, (215), 209 states have internal predecessors, (215), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:17:39,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 221 transitions. [2025-02-08 09:17:39,899 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 221 transitions. Word has length 36 [2025-02-08 09:17:39,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:39,900 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 221 transitions. [2025-02-08 09:17:39,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 09:17:39,900 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 221 transitions. [2025-02-08 09:17:39,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:17:39,900 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:39,900 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:17:39,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 09:17:39,901 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:17:39,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:39,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1695713124, now seen corresponding path program 1 times [2025-02-08 09:17:39,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:39,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979521087] [2025-02-08 09:17:39,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:39,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:39,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:17:39,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:17:39,912 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:39,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:39,943 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 09:17:39,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:39,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979521087] [2025-02-08 09:17:39,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979521087] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:17:39,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:17:39,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:17:39,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056575613] [2025-02-08 09:17:39,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:17:39,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:17:39,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:39,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:17:39,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:17:39,950 INFO L87 Difference]: Start difference. First operand 214 states and 221 transitions. Second operand has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:17:39,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:39,966 INFO L93 Difference]: Finished difference Result 216 states and 221 transitions. [2025-02-08 09:17:39,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:17:39,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 45 [2025-02-08 09:17:39,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:39,968 INFO L225 Difference]: With dead ends: 216 [2025-02-08 09:17:39,968 INFO L226 Difference]: Without dead ends: 214 [2025-02-08 09:17:39,969 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 09:17:39,970 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 1 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:39,970 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 323 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:17:39,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-02-08 09:17:39,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 214. [2025-02-08 09:17:39,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 139 states have (on average 1.5323741007194245) internal successors, (213), 209 states have internal predecessors, (213), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:17:39,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 219 transitions. [2025-02-08 09:17:39,982 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 219 transitions. Word has length 45 [2025-02-08 09:17:39,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:39,982 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 219 transitions. [2025-02-08 09:17:39,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.5) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:17:39,983 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 219 transitions. [2025-02-08 09:17:39,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-08 09:17:39,983 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:39,983 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:17:39,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 09:17:39,983 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:17:39,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:39,984 INFO L85 PathProgramCache]: Analyzing trace with hash 49954205, now seen corresponding path program 1 times [2025-02-08 09:17:39,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:39,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147323846] [2025-02-08 09:17:39,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:39,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:39,995 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:17:40,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:17:40,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:40,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:40,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1121250415] [2025-02-08 09:17:40,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:40,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:40,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:40,025 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 09:17:40,030 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 09:17:40,056 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-08 09:17:40,066 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-08 09:17:40,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:40,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:40,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:17:40,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:40,130 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 09:17:40,130 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:17:40,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:40,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147323846] [2025-02-08 09:17:40,131 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:40,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121250415] [2025-02-08 09:17:40,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121250415] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:17:40,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:17:40,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:17:40,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381117685] [2025-02-08 09:17:40,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:17:40,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:17:40,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:40,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:17:40,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:17:40,133 INFO L87 Difference]: Start difference. First operand 214 states and 219 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:17:40,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:40,437 INFO L93 Difference]: Finished difference Result 353 states and 368 transitions. [2025-02-08 09:17:40,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:17:40,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 50 [2025-02-08 09:17:40,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:40,438 INFO L225 Difference]: With dead ends: 353 [2025-02-08 09:17:40,439 INFO L226 Difference]: Without dead ends: 299 [2025-02-08 09:17:40,439 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:17:40,439 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 90 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:40,440 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 132 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:17:40,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2025-02-08 09:17:40,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 293. [2025-02-08 09:17:40,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 216 states have (on average 1.4074074074074074) internal successors, (304), 286 states have internal predecessors, (304), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:17:40,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 314 transitions. [2025-02-08 09:17:40,446 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 314 transitions. Word has length 50 [2025-02-08 09:17:40,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:40,447 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 314 transitions. [2025-02-08 09:17:40,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:17:40,447 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 314 transitions. [2025-02-08 09:17:40,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-02-08 09:17:40,449 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:40,449 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:17:40,456 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-08 09:17:40,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:40,650 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:17:40,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:40,652 INFO L85 PathProgramCache]: Analyzing trace with hash 347458039, now seen corresponding path program 1 times [2025-02-08 09:17:40,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:40,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347455066] [2025-02-08 09:17:40,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:40,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:40,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-02-08 09:17:40,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-02-08 09:17:40,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:40,680 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:40,756 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 09:17:40,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:40,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347455066] [2025-02-08 09:17:40,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347455066] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:17:40,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:17:40,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:17:40,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966176078] [2025-02-08 09:17:40,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:17:40,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:17:40,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:40,757 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:17:40,757 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:17:40,758 INFO L87 Difference]: Start difference. First operand 293 states and 314 transitions. Second operand has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:17:40,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:40,839 INFO L93 Difference]: Finished difference Result 294 states and 314 transitions. [2025-02-08 09:17:40,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:17:40,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 56 [2025-02-08 09:17:40,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:40,842 INFO L225 Difference]: With dead ends: 294 [2025-02-08 09:17:40,842 INFO L226 Difference]: Without dead ends: 293 [2025-02-08 09:17:40,843 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 09:17:40,843 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 39 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:40,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 266 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:17:40,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2025-02-08 09:17:40,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2025-02-08 09:17:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 216 states have (on average 1.4027777777777777) internal successors, (303), 286 states have internal predecessors, (303), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:17:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 313 transitions. [2025-02-08 09:17:40,852 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 313 transitions. Word has length 56 [2025-02-08 09:17:40,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:40,852 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 313 transitions. [2025-02-08 09:17:40,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.0) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:17:40,853 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 313 transitions. [2025-02-08 09:17:40,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-08 09:17:40,854 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:40,854 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 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] [2025-02-08 09:17:40,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:17:40,854 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:17:40,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:40,855 INFO L85 PathProgramCache]: Analyzing trace with hash -2088467047, now seen corresponding path program 1 times [2025-02-08 09:17:40,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:40,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477500002] [2025-02-08 09:17:40,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:40,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:40,866 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:17:40,880 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:17:40,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:40,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:40,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877813452] [2025-02-08 09:17:40,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:40,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:40,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:40,884 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 09:17:40,887 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 09:17:40,908 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-08 09:17:40,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-08 09:17:40,922 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:40,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:40,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:17:40,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:41,025 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-02-08 09:17:41,026 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:17:41,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:41,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477500002] [2025-02-08 09:17:41,026 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:41,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877813452] [2025-02-08 09:17:41,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877813452] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:17:41,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:17:41,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:17:41,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632184804] [2025-02-08 09:17:41,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:17:41,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:17:41,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:41,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:17:41,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:17:41,027 INFO L87 Difference]: Start difference. First operand 293 states and 313 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:17:41,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:41,064 INFO L93 Difference]: Finished difference Result 293 states and 313 transitions. [2025-02-08 09:17:41,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:17:41,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 86 [2025-02-08 09:17:41,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:41,066 INFO L225 Difference]: With dead ends: 293 [2025-02-08 09:17:41,066 INFO L226 Difference]: Without dead ends: 290 [2025-02-08 09:17:41,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 83 SyntacticMatches, 1 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 09:17:41,066 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 95 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:41,066 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 145 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:17:41,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2025-02-08 09:17:41,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 290. [2025-02-08 09:17:41,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 216 states have (on average 1.3796296296296295) internal successors, (298), 283 states have internal predecessors, (298), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:17:41,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 308 transitions. [2025-02-08 09:17:41,072 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 308 transitions. Word has length 86 [2025-02-08 09:17:41,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:41,073 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 308 transitions. [2025-02-08 09:17:41,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:17:41,073 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 308 transitions. [2025-02-08 09:17:41,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-08 09:17:41,073 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:41,074 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:17:41,080 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 09:17:41,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:41,278 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:17:41,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:41,279 INFO L85 PathProgramCache]: Analyzing trace with hash -317968933, now seen corresponding path program 1 times [2025-02-08 09:17:41,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:41,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447703348] [2025-02-08 09:17:41,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:41,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:41,285 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 09:17:41,297 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 09:17:41,300 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:41,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:41,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [921556541] [2025-02-08 09:17:41,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:41,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:41,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:41,326 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 09:17:41,330 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 09:17:41,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-08 09:17:41,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-08 09:17:41,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:41,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:41,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:17:41,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:41,582 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:17:41,582 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:41,754 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:17:41,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:41,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447703348] [2025-02-08 09:17:41,754 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:41,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921556541] [2025-02-08 09:17:41,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921556541] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:17:41,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:17:41,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-08 09:17:41,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217706563] [2025-02-08 09:17:41,755 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:17:41,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:17:41,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:41,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:17:41,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:17:41,756 INFO L87 Difference]: Start difference. First operand 290 states and 308 transitions. Second operand has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:17:42,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:17:42,386 INFO L93 Difference]: Finished difference Result 362 states and 376 transitions. [2025-02-08 09:17:42,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:17:42,386 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 87 [2025-02-08 09:17:42,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:17:42,388 INFO L225 Difference]: With dead ends: 362 [2025-02-08 09:17:42,388 INFO L226 Difference]: Without dead ends: 355 [2025-02-08 09:17:42,388 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:17:42,389 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 284 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:17:42,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 291 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-08 09:17:42,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2025-02-08 09:17:42,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 328. [2025-02-08 09:17:42,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 255 states have (on average 1.4) internal successors, (357), 321 states have internal predecessors, (357), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:17:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 367 transitions. [2025-02-08 09:17:42,398 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 367 transitions. Word has length 87 [2025-02-08 09:17:42,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:17:42,398 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 367 transitions. [2025-02-08 09:17:42,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 23.571428571428573) internal successors, (165), 8 states have internal predecessors, (165), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:17:42,398 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 367 transitions. [2025-02-08 09:17:42,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-08 09:17:42,399 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:17:42,399 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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 09:17:42,405 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 09:17:42,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:42,600 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:17:42,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:17:42,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1267102249, now seen corresponding path program 1 times [2025-02-08 09:17:42,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:17:42,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162202907] [2025-02-08 09:17:42,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:42,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:17:42,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-08 09:17:42,625 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-08 09:17:42,625 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:42,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:17:42,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608603947] [2025-02-08 09:17:42,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:17:42,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:17:42,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:17:42,633 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 09:17:42,638 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 09:17:42,661 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-08 09:17:42,681 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-08 09:17:42,681 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:17:42,681 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:17:42,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:17:42,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:17:42,952 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:17:42,952 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:17:43,428 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:17:43,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:17:43,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162202907] [2025-02-08 09:17:43,429 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:17:43,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608603947] [2025-02-08 09:17:43,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608603947] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:17:43,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:17:43,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-08 09:17:43,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384571533] [2025-02-08 09:17:43,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:17:43,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:17:43,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:17:43,430 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:17:43,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:17:43,431 INFO L87 Difference]: Start difference. First operand 328 states and 367 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:17:59,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 15.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:18:03,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:18:06,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:18:21,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 15.41s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:18:22,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:22,332 INFO L93 Difference]: Finished difference Result 328 states and 367 transitions. [2025-02-08 09:18:22,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:18:22,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 88 [2025-02-08 09:18:22,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:22,335 INFO L225 Difference]: With dead ends: 328 [2025-02-08 09:18:22,335 INFO L226 Difference]: Without dead ends: 326 [2025-02-08 09:18:22,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:18:22,336 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 95 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 4 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.9s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:22,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 36 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 345 Invalid, 3 Unknown, 0 Unchecked, 38.9s Time] [2025-02-08 09:18:22,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-02-08 09:18:22,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2025-02-08 09:18:22,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 255 states have (on average 1.384313725490196) internal successors, (353), 319 states have internal predecessors, (353), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:18:22,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 363 transitions. [2025-02-08 09:18:22,344 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 363 transitions. Word has length 88 [2025-02-08 09:18:22,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:22,344 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 363 transitions. [2025-02-08 09:18:22,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:18:22,344 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 363 transitions. [2025-02-08 09:18:22,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-08 09:18:22,345 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:22,345 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:18:22,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 09:18:22,549 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,SelfDestructingSolverStorable10 [2025-02-08 09:18:22,550 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:18:22,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:22,550 INFO L85 PathProgramCache]: Analyzing trace with hash -625463975, now seen corresponding path program 1 times [2025-02-08 09:18:22,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:22,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395972107] [2025-02-08 09:18:22,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:22,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:22,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-08 09:18:22,585 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:18:22,585 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:22,585 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:22,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138181642] [2025-02-08 09:18:22,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:22,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:22,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:22,589 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 09:18:22,590 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 09:18:22,611 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-08 09:18:22,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-08 09:18:22,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:22,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:22,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:18:22,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:22,727 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:22,727 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:22,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:22,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395972107] [2025-02-08 09:18:22,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:22,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138181642] [2025-02-08 09:18:22,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138181642] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:22,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:22,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:18:22,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312605636] [2025-02-08 09:18:22,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:22,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:18:22,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:22,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:18:22,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:18:22,728 INFO L87 Difference]: Start difference. First operand 326 states and 363 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:18:23,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:23,145 INFO L93 Difference]: Finished difference Result 326 states and 363 transitions. [2025-02-08 09:18:23,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:18:23,146 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 89 [2025-02-08 09:18:23,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:23,147 INFO L225 Difference]: With dead ends: 326 [2025-02-08 09:18:23,147 INFO L226 Difference]: Without dead ends: 306 [2025-02-08 09:18:23,147 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 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 09:18:23,147 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 114 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:23,148 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 40 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:18:23,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2025-02-08 09:18:23,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 306. [2025-02-08 09:18:23,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 255 states have (on average 1.2666666666666666) internal successors, (323), 299 states have internal predecessors, (323), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:18:23,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 333 transitions. [2025-02-08 09:18:23,165 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 333 transitions. Word has length 89 [2025-02-08 09:18:23,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:23,165 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 333 transitions. [2025-02-08 09:18:23,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:18:23,165 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 333 transitions. [2025-02-08 09:18:23,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-08 09:18:23,165 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:23,165 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:18:23,175 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 09:18:23,366 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,SelfDestructingSolverStorable11 [2025-02-08 09:18:23,366 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:18:23,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:23,366 INFO L85 PathProgramCache]: Analyzing trace with hash 2085453333, now seen corresponding path program 1 times [2025-02-08 09:18:23,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:23,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033536493] [2025-02-08 09:18:23,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:23,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:23,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:18:23,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:18:23,408 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:23,408 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:23,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [482823437] [2025-02-08 09:18:23,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:23,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:23,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:23,411 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 09:18:23,412 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 09:18:23,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-08 09:18:23,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-08 09:18:23,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:23,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:23,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:18:23,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:23,680 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:18:23,680 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:18:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2025-02-08 09:18:23,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:23,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033536493] [2025-02-08 09:18:23,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:23,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482823437] [2025-02-08 09:18:23,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482823437] provided 1 perfect and 1 imperfect interpolant sequences [2025-02-08 09:18:23,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:18:23,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-02-08 09:18:23,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470801226] [2025-02-08 09:18:23,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:23,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:18:23,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:23,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:18:23,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:18:23,902 INFO L87 Difference]: Start difference. First operand 306 states and 333 transitions. Second operand has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:18:26,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:18:28,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:18:32,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:18:38,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-08 09:18:38,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:38,531 INFO L93 Difference]: Finished difference Result 306 states and 333 transitions. [2025-02-08 09:18:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:18:38,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 90 [2025-02-08 09:18:38,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:38,534 INFO L225 Difference]: With dead ends: 306 [2025-02-08 09:18:38,534 INFO L226 Difference]: Without dead ends: 304 [2025-02-08 09:18:38,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 172 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:18:38,535 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 79 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:38,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 30 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 239 Invalid, 2 Unknown, 0 Unchecked, 14.6s Time] [2025-02-08 09:18:38,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2025-02-08 09:18:38,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2025-02-08 09:18:38,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 255 states have (on average 1.2509803921568627) internal successors, (319), 297 states have internal predecessors, (319), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:18:38,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 329 transitions. [2025-02-08 09:18:38,544 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 329 transitions. Word has length 90 [2025-02-08 09:18:38,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:38,544 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 329 transitions. [2025-02-08 09:18:38,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 18.333333333333332) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:18:38,545 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 329 transitions. [2025-02-08 09:18:38,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-08 09:18:38,545 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:38,545 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:18:38,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-02-08 09:18:38,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-08 09:18:38,749 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:18:38,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:38,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1998620490, now seen corresponding path program 1 times [2025-02-08 09:18:38,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:38,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434773354] [2025-02-08 09:18:38,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:38,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:38,756 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:18:38,764 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:18:38,766 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:38,766 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:38,883 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:18:38,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:38,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434773354] [2025-02-08 09:18:38,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434773354] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:18:38,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150465048] [2025-02-08 09:18:38,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:38,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:38,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:38,886 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 09:18:38,887 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 09:18:38,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-02-08 09:18:38,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-02-08 09:18:38,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:38,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:38,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:18:38,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:39,009 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:18:39,010 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:18:39,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150465048] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:39,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:18:39,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-02-08 09:18:39,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642838002] [2025-02-08 09:18:39,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:39,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:18:39,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:39,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:18:39,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:18:39,011 INFO L87 Difference]: Start difference. First operand 304 states and 329 transitions. Second operand has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:18:39,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:39,031 INFO L93 Difference]: Finished difference Result 304 states and 329 transitions. [2025-02-08 09:18:39,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:18:39,031 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 98 [2025-02-08 09:18:39,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:39,032 INFO L225 Difference]: With dead ends: 304 [2025-02-08 09:18:39,032 INFO L226 Difference]: Without dead ends: 303 [2025-02-08 09:18:39,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 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 09:18:39,033 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 49 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 267 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:39,033 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 267 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:18:39,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2025-02-08 09:18:39,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2025-02-08 09:18:39,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 255 states have (on average 1.2431372549019608) internal successors, (317), 296 states have internal predecessors, (317), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:18:39,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 327 transitions. [2025-02-08 09:18:39,043 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 327 transitions. Word has length 98 [2025-02-08 09:18:39,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:39,043 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 327 transitions. [2025-02-08 09:18:39,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:18:39,043 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 327 transitions. [2025-02-08 09:18:39,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-02-08 09:18:39,044 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:39,044 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-02-08 09:18:39,050 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 09:18:39,244 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:39,245 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:18:39,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:39,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1827693115, now seen corresponding path program 1 times [2025-02-08 09:18:39,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:39,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305056067] [2025-02-08 09:18:39,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:39,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:39,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 09:18:39,257 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 09:18:39,257 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:39,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:39,339 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:18:39,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:39,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305056067] [2025-02-08 09:18:39,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305056067] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:18:39,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [925326989] [2025-02-08 09:18:39,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:39,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:39,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:39,342 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 09:18:39,343 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 09:18:39,363 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-02-08 09:18:39,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-02-08 09:18:39,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:39,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:39,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:18:39,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:39,461 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:18:39,461 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:18:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:18:39,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [925326989] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:18:39,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:18:39,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 09:18:39,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730402098] [2025-02-08 09:18:39,557 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:18:39,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:18:39,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:39,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:18:39,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:18:39,558 INFO L87 Difference]: Start difference. First operand 303 states and 327 transitions. Second operand has 7 states, 6 states have (on average 36.333333333333336) internal successors, (218), 7 states have internal predecessors, (218), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:18:39,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:39,594 INFO L93 Difference]: Finished difference Result 402 states and 414 transitions. [2025-02-08 09:18:39,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:18:39,595 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 36.333333333333336) internal successors, (218), 7 states have internal predecessors, (218), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 99 [2025-02-08 09:18:39,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:39,596 INFO L225 Difference]: With dead ends: 402 [2025-02-08 09:18:39,596 INFO L226 Difference]: Without dead ends: 401 [2025-02-08 09:18:39,596 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 194 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 09:18:39,597 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 68 mSDsluCounter, 505 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:39,597 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 639 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:18:39,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2025-02-08 09:18:39,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 360. [2025-02-08 09:18:39,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 310 states have (on average 1.2806451612903227) internal successors, (397), 351 states have internal predecessors, (397), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:18:39,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 411 transitions. [2025-02-08 09:18:39,606 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 411 transitions. Word has length 99 [2025-02-08 09:18:39,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:39,606 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 411 transitions. [2025-02-08 09:18:39,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 36.333333333333336) internal successors, (218), 7 states have internal predecessors, (218), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:18:39,607 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 411 transitions. [2025-02-08 09:18:39,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2025-02-08 09:18:39,607 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:39,607 INFO L218 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-02-08 09:18:39,613 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 09:18:39,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-02-08 09:18:39,808 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:18:39,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:39,808 INFO L85 PathProgramCache]: Analyzing trace with hash 43433999, now seen corresponding path program 1 times [2025-02-08 09:18:39,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:39,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804422934] [2025-02-08 09:18:39,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:39,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:39,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 111 statements into 1 equivalence classes. [2025-02-08 09:18:39,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 111 of 111 statements. [2025-02-08 09:18:39,820 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:39,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:39,881 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-02-08 09:18:39,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:39,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804422934] [2025-02-08 09:18:39,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804422934] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:39,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:39,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:18:39,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300999186] [2025-02-08 09:18:39,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:39,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:18:39,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:39,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:18:39,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:18:39,882 INFO L87 Difference]: Start difference. First operand 360 states and 411 transitions. Second operand has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:18:40,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:40,006 INFO L93 Difference]: Finished difference Result 360 states and 411 transitions. [2025-02-08 09:18:40,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:18:40,006 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 111 [2025-02-08 09:18:40,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:40,007 INFO L225 Difference]: With dead ends: 360 [2025-02-08 09:18:40,008 INFO L226 Difference]: Without dead ends: 353 [2025-02-08 09:18:40,008 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 09:18:40,008 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 128 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:40,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 27 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:18:40,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2025-02-08 09:18:40,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2025-02-08 09:18:40,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 310 states have (on average 1.235483870967742) internal successors, (383), 344 states have internal predecessors, (383), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:18:40,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 397 transitions. [2025-02-08 09:18:40,018 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 397 transitions. Word has length 111 [2025-02-08 09:18:40,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:40,018 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 397 transitions. [2025-02-08 09:18:40,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:18:40,018 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 397 transitions. [2025-02-08 09:18:40,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2025-02-08 09:18:40,019 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:40,019 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:18:40,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-08 09:18:40,019 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:18:40,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:40,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1346454109, now seen corresponding path program 1 times [2025-02-08 09:18:40,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:40,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026460286] [2025-02-08 09:18:40,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:40,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:40,043 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 112 statements into 1 equivalence classes. [2025-02-08 09:18:40,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 112 of 112 statements. [2025-02-08 09:18:40,054 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:40,054 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:40,093 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-02-08 09:18:40,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:40,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026460286] [2025-02-08 09:18:40,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026460286] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:18:40,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:18:40,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:18:40,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286103901] [2025-02-08 09:18:40,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:18:40,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:18:40,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:40,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:18:40,094 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:18:40,094 INFO L87 Difference]: Start difference. First operand 353 states and 397 transitions. Second operand has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:18:40,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:40,219 INFO L93 Difference]: Finished difference Result 353 states and 397 transitions. [2025-02-08 09:18:40,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:18:40,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 112 [2025-02-08 09:18:40,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:40,221 INFO L225 Difference]: With dead ends: 353 [2025-02-08 09:18:40,221 INFO L226 Difference]: Without dead ends: 352 [2025-02-08 09:18:40,221 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 09:18:40,222 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 108 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:40,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 27 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:18:40,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-02-08 09:18:40,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2025-02-08 09:18:40,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 310 states have (on average 1.2258064516129032) internal successors, (380), 343 states have internal predecessors, (380), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-08 09:18:40,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 394 transitions. [2025-02-08 09:18:40,230 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 394 transitions. Word has length 112 [2025-02-08 09:18:40,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:40,230 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 394 transitions. [2025-02-08 09:18:40,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:18:40,230 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 394 transitions. [2025-02-08 09:18:40,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-08 09:18:40,231 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:40,231 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:18:40,231 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-08 09:18:40,231 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:18:40,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:40,232 INFO L85 PathProgramCache]: Analyzing trace with hash 1157247067, now seen corresponding path program 1 times [2025-02-08 09:18:40,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:40,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27130686] [2025-02-08 09:18:40,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:40,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:40,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-08 09:18:40,244 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 09:18:40,244 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:40,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:40,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1701609980] [2025-02-08 09:18:40,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:40,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:40,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:40,251 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 09:18:40,252 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 09:18:40,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 114 statements into 1 equivalence classes. [2025-02-08 09:18:40,288 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 114 of 114 statements. [2025-02-08 09:18:40,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:40,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:40,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:18:40,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:40,381 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:18:40,381 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:18:40,540 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:18:40,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:40,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27130686] [2025-02-08 09:18:40,540 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:40,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701609980] [2025-02-08 09:18:40,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701609980] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:18:40,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:18:40,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-08 09:18:40,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310620900] [2025-02-08 09:18:40,541 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:18:40,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 09:18:40,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:40,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 09:18:40,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:18:40,542 INFO L87 Difference]: Start difference. First operand 352 states and 394 transitions. Second operand has 8 states, 7 states have (on average 29.857142857142858) internal successors, (209), 8 states have internal predecessors, (209), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:18:40,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:40,957 INFO L93 Difference]: Finished difference Result 413 states and 447 transitions. [2025-02-08 09:18:40,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:18:40,958 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 29.857142857142858) internal successors, (209), 8 states have internal predecessors, (209), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 114 [2025-02-08 09:18:40,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:40,959 INFO L225 Difference]: With dead ends: 413 [2025-02-08 09:18:40,959 INFO L226 Difference]: Without dead ends: 383 [2025-02-08 09:18:40,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:18:40,960 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 417 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:40,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 123 Invalid, 738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-02-08 09:18:40,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2025-02-08 09:18:40,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 336. [2025-02-08 09:18:40,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 299 states have (on average 1.1672240802675586) internal successors, (349), 328 states have internal predecessors, (349), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:18:40,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 361 transitions. [2025-02-08 09:18:40,969 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 361 transitions. Word has length 114 [2025-02-08 09:18:40,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:40,969 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 361 transitions. [2025-02-08 09:18:40,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 29.857142857142858) internal successors, (209), 8 states have internal predecessors, (209), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2025-02-08 09:18:40,969 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 361 transitions. [2025-02-08 09:18:40,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2025-02-08 09:18:40,970 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:40,970 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:18:40,979 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 09:18:41,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-08 09:18:41,171 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:18:41,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:41,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1816809212, now seen corresponding path program 1 times [2025-02-08 09:18:41,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:41,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305013099] [2025-02-08 09:18:41,172 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:41,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:41,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-08 09:18:41,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-08 09:18:41,192 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:41,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:41,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2126643212] [2025-02-08 09:18:41,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:41,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:41,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:41,197 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 09:18:41,198 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 09:18:41,220 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-02-08 09:18:41,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-02-08 09:18:41,238 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:41,238 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:41,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:18:41,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:18:41,609 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:18:41,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:41,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305013099] [2025-02-08 09:18:41,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:41,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126643212] [2025-02-08 09:18:41,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126643212] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:18:41,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:18:41,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:18:41,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675478126] [2025-02-08 09:18:41,819 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:18:41,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:18:41,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:41,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:18:41,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:18:41,820 INFO L87 Difference]: Start difference. First operand 336 states and 361 transitions. Second operand has 5 states, 4 states have (on average 31.25) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:18:42,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:42,003 INFO L93 Difference]: Finished difference Result 336 states and 361 transitions. [2025-02-08 09:18:42,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:18:42,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.25) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 137 [2025-02-08 09:18:42,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:42,004 INFO L225 Difference]: With dead ends: 336 [2025-02-08 09:18:42,005 INFO L226 Difference]: Without dead ends: 322 [2025-02-08 09:18:42,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:18:42,005 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 22 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:42,005 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 40 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-08 09:18:42,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2025-02-08 09:18:42,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 319. [2025-02-08 09:18:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 296 states have (on average 1.097972972972973) internal successors, (325), 311 states have internal predecessors, (325), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:18:42,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 337 transitions. [2025-02-08 09:18:42,013 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 337 transitions. Word has length 137 [2025-02-08 09:18:42,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:42,014 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 337 transitions. [2025-02-08 09:18:42,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.25) internal successors, (125), 5 states have internal predecessors, (125), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-08 09:18:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 337 transitions. [2025-02-08 09:18:42,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-02-08 09:18:42,014 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:42,014 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:18:42,020 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 09:18:42,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:42,219 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:18:42,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:42,220 INFO L85 PathProgramCache]: Analyzing trace with hash -486510748, now seen corresponding path program 1 times [2025-02-08 09:18:42,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:42,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157729512] [2025-02-08 09:18:42,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:42,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:42,225 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-08 09:18:42,235 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 09:18:42,235 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:42,235 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:42,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1237939160] [2025-02-08 09:18:42,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:42,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:42,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:42,237 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 09:18:42,239 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 09:18:42,258 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-08 09:18:42,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-08 09:18:42,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:42,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:42,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:18:42,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:42,666 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:18:42,666 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:18:42,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:42,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157729512] [2025-02-08 09:18:42,931 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:42,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237939160] [2025-02-08 09:18:42,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237939160] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:18:42,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:18:42,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-08 09:18:42,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550558504] [2025-02-08 09:18:42,931 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:18:42,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-08 09:18:42,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:42,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-08 09:18:42,932 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:18:42,932 INFO L87 Difference]: Start difference. First operand 319 states and 337 transitions. Second operand has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:43,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:43,254 INFO L93 Difference]: Finished difference Result 357 states and 375 transitions. [2025-02-08 09:18:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-08 09:18:43,254 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 138 [2025-02-08 09:18:43,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:43,256 INFO L225 Difference]: With dead ends: 357 [2025-02-08 09:18:43,256 INFO L226 Difference]: Without dead ends: 319 [2025-02-08 09:18:43,256 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:18:43,257 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 22 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:43,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 94 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:18:43,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2025-02-08 09:18:43,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2025-02-08 09:18:43,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 296 states have (on average 1.0945945945945945) internal successors, (324), 311 states have internal predecessors, (324), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:18:43,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 336 transitions. [2025-02-08 09:18:43,266 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 336 transitions. Word has length 138 [2025-02-08 09:18:43,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:43,266 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 336 transitions. [2025-02-08 09:18:43,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:43,266 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 336 transitions. [2025-02-08 09:18:43,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2025-02-08 09:18:43,267 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:43,267 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2025-02-08 09:18:43,274 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 09:18:43,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:43,468 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:18:43,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:43,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1412401669, now seen corresponding path program 1 times [2025-02-08 09:18:43,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:43,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122046150] [2025-02-08 09:18:43,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:43,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:43,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-02-08 09:18:43,487 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-02-08 09:18:43,487 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:43,487 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:43,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1490218959] [2025-02-08 09:18:43,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:43,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:43,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:43,489 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 09:18:43,491 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 09:18:43,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 158 statements into 1 equivalence classes. [2025-02-08 09:18:43,535 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 158 of 158 statements. [2025-02-08 09:18:43,535 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:43,535 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:43,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:18:43,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:43,670 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:18:43,670 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:18:43,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:43,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122046150] [2025-02-08 09:18:43,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:43,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490218959] [2025-02-08 09:18:43,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490218959] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:18:43,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:18:43,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-08 09:18:43,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073566179] [2025-02-08 09:18:43,715 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:18:43,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:18:43,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:43,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:18:43,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:18:43,715 INFO L87 Difference]: Start difference. First operand 319 states and 336 transitions. Second operand has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:44,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:44,000 INFO L93 Difference]: Finished difference Result 375 states and 394 transitions. [2025-02-08 09:18:44,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:18:44,000 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 158 [2025-02-08 09:18:44,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:44,001 INFO L225 Difference]: With dead ends: 375 [2025-02-08 09:18:44,001 INFO L226 Difference]: Without dead ends: 372 [2025-02-08 09:18:44,002 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:18:44,002 INFO L435 NwaCegarLoop]: 24 mSDtfsCounter, 153 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:44,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 71 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:18:44,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2025-02-08 09:18:44,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 319. [2025-02-08 09:18:44,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 296 states have (on average 1.0844594594594594) internal successors, (321), 311 states have internal predecessors, (321), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:18:44,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 333 transitions. [2025-02-08 09:18:44,010 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 333 transitions. Word has length 158 [2025-02-08 09:18:44,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:44,010 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 333 transitions. [2025-02-08 09:18:44,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.2) internal successors, (146), 6 states have internal predecessors, (146), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-02-08 09:18:44,010 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 333 transitions. [2025-02-08 09:18:44,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2025-02-08 09:18:44,011 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:44,011 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2025-02-08 09:18:44,020 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 09:18:44,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:44,212 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:18:44,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:44,212 INFO L85 PathProgramCache]: Analyzing trace with hash -108336615, now seen corresponding path program 1 times [2025-02-08 09:18:44,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:44,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474964537] [2025-02-08 09:18:44,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:44,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:44,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-02-08 09:18:44,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-02-08 09:18:44,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:44,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:44,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1710345097] [2025-02-08 09:18:44,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:44,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:44,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:44,253 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 09:18:44,255 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 09:18:44,275 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-02-08 09:18:44,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-02-08 09:18:44,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:44,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:44,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:18:44,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:44,438 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:18:44,438 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:18:44,727 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-08 09:18:44,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:18:44,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474964537] [2025-02-08 09:18:44,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:18:44,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710345097] [2025-02-08 09:18:44,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710345097] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:18:44,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:18:44,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-02-08 09:18:44,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952687753] [2025-02-08 09:18:44,728 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:18:44,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-08 09:18:44,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:18:44,729 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-08 09:18:44,729 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:18:44,729 INFO L87 Difference]: Start difference. First operand 319 states and 333 transitions. Second operand has 10 states, 9 states have (on average 32.333333333333336) internal successors, (291), 10 states have internal predecessors, (291), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:18:45,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:18:45,236 INFO L93 Difference]: Finished difference Result 393 states and 413 transitions. [2025-02-08 09:18:45,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:18:45,237 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 32.333333333333336) internal successors, (291), 10 states have internal predecessors, (291), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 160 [2025-02-08 09:18:45,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:18:45,238 INFO L225 Difference]: With dead ends: 393 [2025-02-08 09:18:45,238 INFO L226 Difference]: Without dead ends: 382 [2025-02-08 09:18:45,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 310 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 09:18:45,240 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 630 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 995 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 1026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-02-08 09:18:45,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 199 Invalid, 1026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 995 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-02-08 09:18:45,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-02-08 09:18:45,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 306. [2025-02-08 09:18:45,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 290 states have (on average 1.0448275862068965) internal successors, (303), 298 states have internal predecessors, (303), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:18:45,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 315 transitions. [2025-02-08 09:18:45,261 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 315 transitions. Word has length 160 [2025-02-08 09:18:45,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:18:45,261 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 315 transitions. [2025-02-08 09:18:45,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 32.333333333333336) internal successors, (291), 10 states have internal predecessors, (291), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:18:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 315 transitions. [2025-02-08 09:18:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2025-02-08 09:18:45,262 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:18:45,262 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2025-02-08 09:18:45,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-08 09:18:45,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:45,463 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2025-02-08 09:18:45,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:18:45,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1032270281, now seen corresponding path program 1 times [2025-02-08 09:18:45,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:18:45,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527439395] [2025-02-08 09:18:45,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:45,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:18:45,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-02-08 09:18:45,478 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-02-08 09:18:45,478 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:45,478 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:18:45,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [689967920] [2025-02-08 09:18:45,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:18:45,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:18:45,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:18:45,481 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 09:18:45,483 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 09:18:45,502 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 162 statements into 1 equivalence classes. [2025-02-08 09:18:45,522 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 162 of 162 statements. [2025-02-08 09:18:45,522 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:18:45,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:18:45,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-02-08 09:18:45,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:18:45,694 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 6 proven. 147 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-08 09:18:45,695 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:18:53,778 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 15)) (.cse1 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10)) (.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6))) (or (< (+ (* (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) 6) (* |c_ULTIMATE.start_main_~y~0#1| 4) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|) (* 4 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|)) (div (+ .cse0 .cse1 .cse2 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 30)) 9223372036854775807) (not (= (mod (+ .cse0 .cse1 (* |c_ULTIMATE.start_main_~y~0#1| 29) .cse2) 30) 0)))) is different from false [2025-02-08 09:19:01,810 WARN L286 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-02-08 09:19:13,823 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)